Protozoa (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Protozoa" in English language version.

refsWebsite

Global rank English rank

35nih.gov

4^th place

30doi.org

2^nd place

16harvard.edu

18^th place

17^th place

11semanticscholar.org

11^th place

8^th place

10books.google.com

3^rd place

5worldcat.org

5^th place

4web.archive.org

1^st place

2biodiversitylibrary.org

387^th place

373^rd place

2archive.org

6^th place

2jstor.org

26^th place

20^th place

2hathitrust.org

441^st place

311^th place

2microbiologybook.org

low place

1springer.com

274^th place

309^th place

1arizona.edu

1,592^nd place

1,119^th place

1zenodo.org

621^st place

380^th place

1tabularium.be

low place

1wiktionary.org

649^th place

827^th place

1psu.edu

207^th place

136^th place

1uga.edu

2,385^th place

1,626^th place

1diva-portal.org

3,588^th place

3,072^nd place

1parasite.org.au

low place

1msu.edu

1,844^th place

1,231^st place

1udel.edu

4,858^th place

3,506^th place

1eol.org

2,925^th place

2,776^th place

1arcella.nl

low place

1utas.edu.au

9,835^th place

6,097^th place

1tandfonline.com

507^th place

429^th place

1tulane.edu

5,659^th place

3,564^th place

1merriam-webster.com

209^th place

191^st place

1cambridge.org

305^th place

264^th place

1pnas.org

1,293^rd place

3,794^th place

1uconn.edu

5,165^th place

3,393^rd place

arcella.nl (Global: low place; English: low place)

"Amoeba proteus | Microworld". www.arcella.nl. Retrieved 2016-08-21.

archive.org (Global: 6^th place; English: 6^th place)

Kudo, Richard R. (Richard Roksabro) (1954). Protozoology. MBLWHOI Library. Springfield, IL; C.C. Thomas. p. 5.
Kudo, Richard R. (Richard Roksabro) (1954). Protozoology. Springfield, IL: Charles C. Thomas. p. 5.

arizona.edu (Global: 1,592^nd place; English: 1,119^th place)

blc.arizona.edu

Scamardella, J. M. (1999). "Not plants or animals: A brief history of the origin of Kingdoms Protozoa, Protista, and Protoctista" (PDF). International Microbiology. 2 (4): 207–21. PMID 10943416. Archived from the original (PDF) on 2021-08-25. Retrieved 2020-07-08.

biodiversitylibrary.org (Global: 387^th place; English: 373^rd place)

Goldfuß (1818). "Ueber die Classification der Zoophyten" [On the Classification of Zoophytes]. Isis, Oder, Encyclopädische Zeitung von Oken (in German). 2 (6): 1008–19. From p. 1008: "Erste Klasse. Urthiere. Protozoa." (First class. Primordial animals. Protozoa.) [Note: each column of each page of this journal is numbered; there are two columns per page.]
Siebold (vol. 1); Stannius (vol. 2) (1848). Lehrbuch der vergleichenden Anatomie [Textbook of Comparative Anatomy] (in German). Vol. 1: Wirbellose Thiere (Invertebrate animals). Berlin: Veit & Co. p. 3.{{cite book}}: CS1 maint: numeric names: authors list (link) From p. 3: "Erste Hauptgruppe. Protozoa. Thiere, in welchen die verschiedenen Systeme der Organe nicht scharf ausgeschieden sind, und deren unregelmässige Form und einfache Organisation sich auf eine Zelle reduziren lassen." (First principal group. Protozoa. Animals, in which the different systems of organs are not sharply separated, and whose irregular form and simple organization can be reduced to one cell.)

books.google.com (Global: 3^rd place; English: 3^rd place)

Panno, Joseph (2014). The Cell: Evolution of the First Organism. Infobase Publishing. p. 130. ISBN 978-0-8160-6736-7.
Bertrand, Jean-Claude; Caumette, Pierre; Lebaron, Philippe; Matheron, Robert; Normand, Philippe; Sime-Ngando, Télesphore (2015). Environmental Microbiology: Fundamentals and Applications: Microbial Ecology. Springer. p. 9. ISBN 978-94-017-9118-2.
Madigan, Michael T. (2012). Brock Biology of Microorganisms. Benjamin Cummings. p. 43. ISBN 978-0-321-64963-8.
Khan, Naveed Ahmed (2008). Emerging Protozoan Pathogens. Garland Science. pp. 472–74. ISBN 978-0-203-89517-7.
Rodriguez, Margaret (2015). Microbiology for Surgical Technologists. Cengage Learning. p. 135. ISBN 978-1-133-70733-2.
Laybourn-Parry J (2013). A Functional Biology of Free-Living Protozoa. Springer Science & Business Media. pp. 86–88. ISBN 978-1-4684-7316-2.
Khan, N. A. (2008). Microbial Pathogens and Human Diseases. CRC Press. p. 194. ISBN 978-1-4822-8059-3.
Singleton, Paul; Sainsbury, Diana (2001). Dictionary of microbiology and molecular biology. Wiley. ISBN 978-0-471-94150-7.
Sheehan, Kathy B. (2005). Seen and Unseen: Discovering the Microbes of Yellowstone. Falcon. ISBN 978-0-7627-3093-3.
Lee, John J.; Leedale, Gordon F.; Bradbury, Phyllis Clarke (2000). An illustrated guide to the protozoa: organisms traditionally referred to as protozoa, or newly discovered groups. Society of Protozoologists. p. 634. ISBN 978-1-891276-23-1.

cambridge.org (Global: 305^th place; English: 264^th place)

"Sex and Death in Protozoa". Cambridge University Press. Retrieved 2015-06-09.

diva-portal.org (Global: 3,588^th place; English: 3,072^nd place)

uu.diva-portal.org

Burki F, Roger AJ, Brown MW, Simpson AG (2020). "The New Tree of Eukaryotes". Trends in Ecology & Evolution. 35 (1). Elsevier BV: 43–55. Bibcode:2020TEcoE..35...43B. doi:10.1016/j.tree.2019.08.008. ISSN 0169-5347. PMID 31606140. S2CID 204545629.

doi.org (Global: 2^nd place; English: 2^nd place)

Fenchel, Tom (1987). "Ecology of Protozoa". Brock/Springer Series in Contemporary Bioscience: 2. doi:10.1007/978-3-662-06817-5. ISBN 978-3-662-06819-9. ISSN 1432-0061. S2CID 44988543.
Ruggiero, Michael A.; Gordon, Dennis P.; Orrell, Thomas M.; Bailly, Nicolas; Bourgoin, Thierry; Brusca, Richard C.; Cavalier-Smith, Thomas; Guiry, Michael D.; Kirk, Paul M. (29 April 2015). "A Higher Level Classification of All Living Organisms". PLOS ONE. 10 (4) e0119248. Bibcode:2015PLoSO..1019248R. doi:10.1371/journal.pone.0119248. PMC 4418965. PMID 25923521.
Rothschild, Lynn J. (1989). "Protozoa, Protista, Protoctista: What's in a Name?". Journal of the History of Biology. 22 (2): 277–305. doi:10.1007/BF00139515. ISSN 0022-5010. JSTOR 4331095. PMID 11542176. S2CID 32462158.
Dobell, C. (April 1951). "In memoriam Otto Bütschli (1848–1920) 'architect of protozoology'". Isis; an International Review Devoted to the History of Science and Its Cultural Influences. 42 (127): 20–22. doi:10.1086/349230. PMID 14831973. S2CID 32569053.
Taylor, F.J.R. 'Max' (11 January 2003). "The collapse of the two-kingdom system, the rise of protistology and the founding of the International Society for Evolutionary Protistology (ISEP)". International Journal of Systematic and Evolutionary Microbiology. 53 (6): 1707–14. doi:10.1099/ijs.0.02587-0. PMID 14657097.
Copeland, Herbert F. (September–October 1947). "Progress Report on Basic Classification". The American Naturalist. 81 (800): 340–61. Bibcode:1947ANat...81..340C. doi:10.1086/281531. JSTOR 2458229. PMID 20267535. S2CID 36637843.
Whittaker, R.H. (10 January 1969). "New concepts of kingdoms or organisms. Evolutionary relations are better represented by new classifications than by the traditional two kingdoms". Science. 163 (3863): 150–60. Bibcode:1969Sci...163..150W. CiteSeerX 10.1.1.403.5430. doi:10.1126/science.163.3863.150. PMID 5762760.
Margulis, Lynn (1974). "Five-Kingdom Classification and the Origin and Evolution of Cells". In Dobzhansky, Theodosius; Hecht, Max K.; Steere, William C. (eds.). Evolutionary Biology. Springer. pp. 45–78. doi:10.1007/978-1-4615-6944-2_2. ISBN 978-1-4615-6946-6.
Cavalier-Smith, Thomas (August 1998). "A revised six-kingdom system of life". Biological Reviews. 73 (3): 203–66. Bibcode:1998BioRv..73..203C. doi:10.1111/j.1469-185X.1998.tb00030.x. PMID 9809012. S2CID 6557779.
Honigberg, B. M.; W. Balamuth; E.C. Bovee; J.O. Corliss; M. Gojdics; R.P. Hall; R.R. Kudo; N.D. Levine; A.R. Lobblich; J. Weiser (February 1964). "A Revised Classification of the Phylum Protozoa". Journal of Eukaryotic Microbiology. 11 (1): 7–20. Bibcode:1964JPzoo..11....7H. doi:10.1111/j.1550-7408.1964.tb01715.x. PMID 14119564.
Cavalier-Smith, Thomas (1981). "Eukaryote Kingdoms: Seven or Nine?". Bio Systems. 14 (3–4): 461–81. Bibcode:1981BiSys..14..461C. doi:10.1016/0303-2647(81)90050-2. PMID 7337818.
Cavalier-Smith, Thomas (December 1993). "Kingdom Protozoa and Its 18 Phyla". Microbiological Reviews. 57 (4): 953–94. doi:10.1128/mmbr.57.4.953-994.1993. PMC 372943. PMID 8302218.
Cavalier-Smith, Thomas (23 June 2010). "Kingdoms Protozoa and Chromista and the Eozoan Root of the Eukaryotic Tree". Biology Letters. 6 (3): 342–45. Bibcode:2010BiLet...6..342C. doi:10.1098/rsbl.2009.0948. PMC 2880060. PMID 20031978.
El-Bawab, F. 2020. Invertebrate Embryology and Reproduction, Chapter 3 – Phylum Protozoa. Academic Press, pp 68–102. doi:10.1016/B978-0-12-814114-4.00003-5
Adl, Sina M.; Simpson, Alastair G.B.; Lane, Christopher E.; Lukeš, Julius; Bass, David; Bowser, Samuel S.; Brown, Matthew W.; Burki, Fabien; Dunthorn, Micah (2012-09-01). "The Revised Classification of Eukaryotes". Journal of Eukaryotic Microbiology. 59 (5): 429–514. doi:10.1111/j.1550-7408.2012.00644.x. PMC 3483872. PMID 23020233.
Burki, F. (May 2014). "The eukaryotic tree of life from a global phylogenomic perspective". Cold Spring Harbor Perspectives in Biology. 6 (5) a016147. doi:10.1101/cshperspect.a016147. PMC 3996474. PMID 24789819.
Burki, F. (January 2016). "Untangling the early diversification of eukaryotes: a phylogenomic study of the evolutionary origins of Centrohelida, Haptophyta and Cryptista". Proceedings: Biological Sciences. 283 (1823) 20152802. Bibcode:2016PBioS.28352802B. doi:10.1098/rspb.2015.2802. PMC 4795036. PMID 26817772.
Burki F, Roger AJ, Brown MW, Simpson AG (2020). "The New Tree of Eukaryotes". Trends in Ecology & Evolution. 35 (1). Elsevier BV: 43–55. Bibcode:2020TEcoE..35...43B. doi:10.1016/j.tree.2019.08.008. ISSN 0169-5347. PMID 31606140. S2CID 204545629.
Gooday, A.J.; Aranda da Silva, A.P.; Pawlowski, J. (1 December 2011). "Xenophyophores (Rhizaria, Foraminifera) from the Nazaré Canyon (Portuguese margin, NE Atlantic)". Deep-Sea Research Part II: Topical Studies in Oceanography. 58 (24–25): 2401–19. Bibcode:2011DSRII..58.2401G. doi:10.1016/j.dsr2.2011.04.005.
Mylnikov, Alexander P.; Weber, Felix; Jürgens, Klaus; Wylezich, Claudia (August 2015). "Massisteria marina has a sister: Massisteria voersi sp. nov., a rare species isolated from coastal waters of the Baltic Sea". European Journal of Protistology. 51 (4): 299–310. doi:10.1016/j.ejop.2015.05.002. PMID 26163290.
Mitchell, Gary C.; Baker, J.H.; Sleigh, M.A. (1 May 1988). "Feeding of a freshwater flagellate, Bodo saltans, on diverse bacteria". The Journal of Protozoology. 35 (2): 219–22. Bibcode:1988JPzoo..35..219M. doi:10.1111/j.1550-7408.1988.tb04327.x.
Post, F.J.; Borowitzka, L.J.; Borowitzka, M.A.; Mackay, B.; Moulton, T. (1983-09-01). "The protozoa of a Western Australian hypersaline lagoon". Hydrobiologia. 105 (1): 95–113. Bibcode:1983HyBio.105...95P. doi:10.1007/BF00025180. ISSN 0018-8158. S2CID 40995213.
Verni, F.; Rosati, G. (2011). "Resting cysts: A survival strategy in Protozoa Ciliophora". Italian Journal of Zoology. 78 (2): 134–45. Bibcode:2011IJZoo..78..134V. doi:10.1080/11250003.2011.560579. S2CID 84550678. Retrieved 8 September 2022.
Nishitani, Goh; Nagai, Satoshi; Baba, Katsuhisa; et al. (May 2010). "High-Level Congruence of Myrionecta rubra Prey and Dinophysis Species Plastid Identities as Revealed by Genetic Analyses of Isolates from Japanese Coastal Waters". Applied and Environmental Microbiology. 76 (9): 2791–98. Bibcode:2010ApEnM..76.2791N. doi:10.1128/AEM.02566-09. PMC 2863437. PMID 20305031.
Aufderheide, Karl J. (1986). "Clonal aging in Paramecium tetraurelia. II. Evidence of functional changes in the macronucleus with age". Mechanisms of Ageing and Development. 37 (3): 265–79. doi:10.1016/0047-6374(86)90044-8. PMID 3553762. S2CID 28320562.
Smith-Sonneborn, J. (1979). "DNA repair and longevity assurance in Paramecium tetraurelia". Science. 203 (4385): 1115–17. Bibcode:1979Sci...203.1115S. doi:10.1126/science.424739. PMID 424739.
Holmes, George E.; Holmes, Norreen R. (July 1986). "Accumulation of DNA damages in aging Paramecium tetraurelia". Molecular and General Genetics. 204 (1): 108–14. doi:10.1007/bf00330196. PMID 3091993. S2CID 11992591.
Gilley, David; Blackburn, Elizabeth H. (1994). "Lack of telomere shortening during senescence in Paramecium" (PDF). Proceedings of the National Academy of Sciences of the United States of America. 91 (5): 1955–58. Bibcode:1994PNAS...91.1955G. doi:10.1073/pnas.91.5.1955. PMC 43283. PMID 8127914.
Fenchel, T.; Finlay, B.J. (2004). "The ubiquity of small species: Patterns of local and global diversity". BioScience. 54 (8): 777–84. doi:10.1641/0006-3568(2004)054[0777:TUOSSP]2.0.CO;2. S2CID 85884588.
Williams, A.G.; Coleman, G.S. (1997). "The rumen protozoa". The Rumen Microbial Ecosystem. Springer, Dordrecht. pp. 73–139. doi:10.1007/978-94-009-1453-7_3. ISBN 978-94-010-7149-9.

eol.org (Global: 2,925^th place; English: 2,776^th place)

Taylor, Bruce. "Paramecium caudatum". Encyclopedia of Life. Retrieved 2018-03-23.

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Ruggiero, Michael A.; Gordon, Dennis P.; Orrell, Thomas M.; Bailly, Nicolas; Bourgoin, Thierry; Brusca, Richard C.; Cavalier-Smith, Thomas; Guiry, Michael D.; Kirk, Paul M. (29 April 2015). "A Higher Level Classification of All Living Organisms". PLOS ONE. 10 (4) e0119248. Bibcode:2015PLoSO..1019248R. doi:10.1371/journal.pone.0119248. PMC 4418965. PMID 25923521.
Copeland, Herbert F. (September–October 1947). "Progress Report on Basic Classification". The American Naturalist. 81 (800): 340–61. Bibcode:1947ANat...81..340C. doi:10.1086/281531. JSTOR 2458229. PMID 20267535. S2CID 36637843.
Whittaker, R.H. (10 January 1969). "New concepts of kingdoms or organisms. Evolutionary relations are better represented by new classifications than by the traditional two kingdoms". Science. 163 (3863): 150–60. Bibcode:1969Sci...163..150W. CiteSeerX 10.1.1.403.5430. doi:10.1126/science.163.3863.150. PMID 5762760.
Cavalier-Smith, Thomas (August 1998). "A revised six-kingdom system of life". Biological Reviews. 73 (3): 203–66. Bibcode:1998BioRv..73..203C. doi:10.1111/j.1469-185X.1998.tb00030.x. PMID 9809012. S2CID 6557779.
Honigberg, B. M.; W. Balamuth; E.C. Bovee; J.O. Corliss; M. Gojdics; R.P. Hall; R.R. Kudo; N.D. Levine; A.R. Lobblich; J. Weiser (February 1964). "A Revised Classification of the Phylum Protozoa". Journal of Eukaryotic Microbiology. 11 (1): 7–20. Bibcode:1964JPzoo..11....7H. doi:10.1111/j.1550-7408.1964.tb01715.x. PMID 14119564.
Cavalier-Smith, Thomas (1981). "Eukaryote Kingdoms: Seven or Nine?". Bio Systems. 14 (3–4): 461–81. Bibcode:1981BiSys..14..461C. doi:10.1016/0303-2647(81)90050-2. PMID 7337818.
Cavalier-Smith, Thomas (23 June 2010). "Kingdoms Protozoa and Chromista and the Eozoan Root of the Eukaryotic Tree". Biology Letters. 6 (3): 342–45. Bibcode:2010BiLet...6..342C. doi:10.1098/rsbl.2009.0948. PMC 2880060. PMID 20031978.
Burki, F. (January 2016). "Untangling the early diversification of eukaryotes: a phylogenomic study of the evolutionary origins of Centrohelida, Haptophyta and Cryptista". Proceedings: Biological Sciences. 283 (1823) 20152802. Bibcode:2016PBioS.28352802B. doi:10.1098/rspb.2015.2802. PMC 4795036. PMID 26817772.
Burki F, Roger AJ, Brown MW, Simpson AG (2020). "The New Tree of Eukaryotes". Trends in Ecology & Evolution. 35 (1). Elsevier BV: 43–55. Bibcode:2020TEcoE..35...43B. doi:10.1016/j.tree.2019.08.008. ISSN 0169-5347. PMID 31606140. S2CID 204545629.
Gooday, A.J.; Aranda da Silva, A.P.; Pawlowski, J. (1 December 2011). "Xenophyophores (Rhizaria, Foraminifera) from the Nazaré Canyon (Portuguese margin, NE Atlantic)". Deep-Sea Research Part II: Topical Studies in Oceanography. 58 (24–25): 2401–19. Bibcode:2011DSRII..58.2401G. doi:10.1016/j.dsr2.2011.04.005.
Mitchell, Gary C.; Baker, J.H.; Sleigh, M.A. (1 May 1988). "Feeding of a freshwater flagellate, Bodo saltans, on diverse bacteria". The Journal of Protozoology. 35 (2): 219–22. Bibcode:1988JPzoo..35..219M. doi:10.1111/j.1550-7408.1988.tb04327.x.
Post, F.J.; Borowitzka, L.J.; Borowitzka, M.A.; Mackay, B.; Moulton, T. (1983-09-01). "The protozoa of a Western Australian hypersaline lagoon". Hydrobiologia. 105 (1): 95–113. Bibcode:1983HyBio.105...95P. doi:10.1007/BF00025180. ISSN 0018-8158. S2CID 40995213.
Verni, F.; Rosati, G. (2011). "Resting cysts: A survival strategy in Protozoa Ciliophora". Italian Journal of Zoology. 78 (2): 134–45. Bibcode:2011IJZoo..78..134V. doi:10.1080/11250003.2011.560579. S2CID 84550678. Retrieved 8 September 2022.
Nishitani, Goh; Nagai, Satoshi; Baba, Katsuhisa; et al. (May 2010). "High-Level Congruence of Myrionecta rubra Prey and Dinophysis Species Plastid Identities as Revealed by Genetic Analyses of Isolates from Japanese Coastal Waters". Applied and Environmental Microbiology. 76 (9): 2791–98. Bibcode:2010ApEnM..76.2791N. doi:10.1128/AEM.02566-09. PMC 2863437. PMID 20305031.
Smith-Sonneborn, J. (1979). "DNA repair and longevity assurance in Paramecium tetraurelia". Science. 203 (4385): 1115–17. Bibcode:1979Sci...203.1115S. doi:10.1126/science.424739. PMID 424739.
Gilley, David; Blackburn, Elizabeth H. (1994). "Lack of telomere shortening during senescence in Paramecium" (PDF). Proceedings of the National Academy of Sciences of the United States of America. 91 (5): 1955–58. Bibcode:1994PNAS...91.1955G. doi:10.1073/pnas.91.5.1955. PMC 43283. PMID 8127914.

hathitrust.org (Global: 441^st place; English: 311^th place)

babel.hathitrust.org

Goldfuß, Georg August (1820). Handbuch der Zoologie [Handbook of Zoology. First Part.]. Handbuch der naturgeschichte ... Von dr. G. H. Schubert.3. Th. (in German). Vol. 1. Nürnberg: Johann Leonhard Schrag. pp. xi–xiv.
Hogg, John (1860). "On the distinctions of a plant and an animal, and on a fourth kingdom of nature". Edinburgh New Philosophical Journal. 2nd series. 12: 216–25.

jstor.org (Global: 26^th place; English: 20^th place)

Rothschild, Lynn J. (1989). "Protozoa, Protista, Protoctista: What's in a Name?". Journal of the History of Biology. 22 (2): 277–305. doi:10.1007/BF00139515. ISSN 0022-5010. JSTOR 4331095. PMID 11542176. S2CID 32462158.
Copeland, Herbert F. (September–October 1947). "Progress Report on Basic Classification". The American Naturalist. 81 (800): 340–61. Bibcode:1947ANat...81..340C. doi:10.1086/281531. JSTOR 2458229. PMID 20267535. S2CID 36637843.

merriam-webster.com (Global: 209^th place; English: 191^st place)

"Definition of PELLICLE". www.merriam-webster.com. 15 August 2025.

microbiologybook.org (Global: low place; English: low place)

Ghaffar, Abdul. "Blood and Tissue Protozoa". Microbiology and Immunology On-Line. Retrieved 2018-03-23.
Ghaffar, Abdul. "Blood and tissue Protozoa". Microbiology and Immunology On-Line. Retrieved 2018-03-23.

msu.edu (Global: 1,844^th place; English: 1,231^st place)

"Microscopy of Entamoeba histolytica". msu.edu. Retrieved 2016-08-21.

nih.gov (Global: 4^th place; English: 4^th place)

pubmed.ncbi.nlm.nih.gov

Scamardella, J. M. (1999). "Not plants or animals: A brief history of the origin of Kingdoms Protozoa, Protista, and Protoctista" (PDF). International Microbiology. 2 (4): 207–21. PMID 10943416. Archived from the original (PDF) on 2021-08-25. Retrieved 2020-07-08.
Yaeger, Robert G. (1996). Baron, Samuel (ed.). Protozoa: Structure, Classification, Growth, and Development. University of Texas Medical Branch at Galveston. ISBN 978-0-9631172-1-2. PMID 21413323. Retrieved 2020-07-07.
Ruggiero, Michael A.; Gordon, Dennis P.; Orrell, Thomas M.; Bailly, Nicolas; Bourgoin, Thierry; Brusca, Richard C.; Cavalier-Smith, Thomas; Guiry, Michael D.; Kirk, Paul M. (29 April 2015). "A Higher Level Classification of All Living Organisms". PLOS ONE. 10 (4) e0119248. Bibcode:2015PLoSO..1019248R. doi:10.1371/journal.pone.0119248. PMC 4418965. PMID 25923521.
Rothschild, Lynn J. (1989). "Protozoa, Protista, Protoctista: What's in a Name?". Journal of the History of Biology. 22 (2): 277–305. doi:10.1007/BF00139515. ISSN 0022-5010. JSTOR 4331095. PMID 11542176. S2CID 32462158.
Dobell, C. (April 1951). "In memoriam Otto Bütschli (1848–1920) 'architect of protozoology'". Isis; an International Review Devoted to the History of Science and Its Cultural Influences. 42 (127): 20–22. doi:10.1086/349230. PMID 14831973. S2CID 32569053.
Taylor, F.J.R. 'Max' (11 January 2003). "The collapse of the two-kingdom system, the rise of protistology and the founding of the International Society for Evolutionary Protistology (ISEP)". International Journal of Systematic and Evolutionary Microbiology. 53 (6): 1707–14. doi:10.1099/ijs.0.02587-0. PMID 14657097.
Scamardella, J. M. (December 1999). "Not plants or animals: a brief history of the origin of Kingdoms Protozoa, Protista and Protoctista". International Microbiology. 2 (4): 207–16. PMID 10943416.
Copeland, Herbert F. (September–October 1947). "Progress Report on Basic Classification". The American Naturalist. 81 (800): 340–61. Bibcode:1947ANat...81..340C. doi:10.1086/281531. JSTOR 2458229. PMID 20267535. S2CID 36637843.
Whittaker, R.H. (10 January 1969). "New concepts of kingdoms or organisms. Evolutionary relations are better represented by new classifications than by the traditional two kingdoms". Science. 163 (3863): 150–60. Bibcode:1969Sci...163..150W. CiteSeerX 10.1.1.403.5430. doi:10.1126/science.163.3863.150. PMID 5762760.
Cavalier-Smith, Thomas (August 1998). "A revised six-kingdom system of life". Biological Reviews. 73 (3): 203–66. Bibcode:1998BioRv..73..203C. doi:10.1111/j.1469-185X.1998.tb00030.x. PMID 9809012. S2CID 6557779.
Honigberg, B. M.; W. Balamuth; E.C. Bovee; J.O. Corliss; M. Gojdics; R.P. Hall; R.R. Kudo; N.D. Levine; A.R. Lobblich; J. Weiser (February 1964). "A Revised Classification of the Phylum Protozoa". Journal of Eukaryotic Microbiology. 11 (1): 7–20. Bibcode:1964JPzoo..11....7H. doi:10.1111/j.1550-7408.1964.tb01715.x. PMID 14119564.
Cavalier-Smith, Thomas (1981). "Eukaryote Kingdoms: Seven or Nine?". Bio Systems. 14 (3–4): 461–81. Bibcode:1981BiSys..14..461C. doi:10.1016/0303-2647(81)90050-2. PMID 7337818.
Cavalier-Smith, Thomas (December 1993). "Kingdom Protozoa and Its 18 Phyla". Microbiological Reviews. 57 (4): 953–94. doi:10.1128/mmbr.57.4.953-994.1993. PMC 372943. PMID 8302218.
Cavalier-Smith, Thomas (23 June 2010). "Kingdoms Protozoa and Chromista and the Eozoan Root of the Eukaryotic Tree". Biology Letters. 6 (3): 342–45. Bibcode:2010BiLet...6..342C. doi:10.1098/rsbl.2009.0948. PMC 2880060. PMID 20031978.
Adl, Sina M.; Simpson, Alastair G.B.; Lane, Christopher E.; Lukeš, Julius; Bass, David; Bowser, Samuel S.; Brown, Matthew W.; Burki, Fabien; Dunthorn, Micah (2012-09-01). "The Revised Classification of Eukaryotes". Journal of Eukaryotic Microbiology. 59 (5): 429–514. doi:10.1111/j.1550-7408.2012.00644.x. PMC 3483872. PMID 23020233.
Burki, F. (May 2014). "The eukaryotic tree of life from a global phylogenomic perspective". Cold Spring Harbor Perspectives in Biology. 6 (5) a016147. doi:10.1101/cshperspect.a016147. PMC 3996474. PMID 24789819.
Burki, F. (January 2016). "Untangling the early diversification of eukaryotes: a phylogenomic study of the evolutionary origins of Centrohelida, Haptophyta and Cryptista". Proceedings: Biological Sciences. 283 (1823) 20152802. Bibcode:2016PBioS.28352802B. doi:10.1098/rspb.2015.2802. PMC 4795036. PMID 26817772.
Burki F, Roger AJ, Brown MW, Simpson AG (2020). "The New Tree of Eukaryotes". Trends in Ecology & Evolution. 35 (1). Elsevier BV: 43–55. Bibcode:2020TEcoE..35...43B. doi:10.1016/j.tree.2019.08.008. ISSN 0169-5347. PMID 31606140. S2CID 204545629.
Mylnikov, Alexander P.; Weber, Felix; Jürgens, Klaus; Wylezich, Claudia (August 2015). "Massisteria marina has a sister: Massisteria voersi sp. nov., a rare species isolated from coastal waters of the Baltic Sea". European Journal of Protistology. 51 (4): 299–310. doi:10.1016/j.ejop.2015.05.002. PMID 26163290.
Nishitani, Goh; Nagai, Satoshi; Baba, Katsuhisa; et al. (May 2010). "High-Level Congruence of Myrionecta rubra Prey and Dinophysis Species Plastid Identities as Revealed by Genetic Analyses of Isolates from Japanese Coastal Waters". Applied and Environmental Microbiology. 76 (9): 2791–98. Bibcode:2010ApEnM..76.2791N. doi:10.1128/AEM.02566-09. PMC 2863437. PMID 20305031.
Aufderheide, Karl J. (1986). "Clonal aging in Paramecium tetraurelia. II. Evidence of functional changes in the macronucleus with age". Mechanisms of Ageing and Development. 37 (3): 265–79. doi:10.1016/0047-6374(86)90044-8. PMID 3553762. S2CID 28320562.
Smith-Sonneborn, J. (1979). "DNA repair and longevity assurance in Paramecium tetraurelia". Science. 203 (4385): 1115–17. Bibcode:1979Sci...203.1115S. doi:10.1126/science.424739. PMID 424739.
Holmes, George E.; Holmes, Norreen R. (July 1986). "Accumulation of DNA damages in aging Paramecium tetraurelia". Molecular and General Genetics. 204 (1): 108–14. doi:10.1007/bf00330196. PMID 3091993. S2CID 11992591.
Gilley, David; Blackburn, Elizabeth H. (1994). "Lack of telomere shortening during senescence in Paramecium" (PDF). Proceedings of the National Academy of Sciences of the United States of America. 91 (5): 1955–58. Bibcode:1994PNAS...91.1955G. doi:10.1073/pnas.91.5.1955. PMC 43283. PMID 8127914.
Yaeger, Robert G. (1996). "Ch. 77: Protozoa: Structure, Classification, Growth, and Development". In Baron, S (ed.). Medical Microbiology (4th ed.). Galveston: University of Texas Medical Branch at Galveston. ISBN 978-0-9631172-1-2. PMID 21413323.

ncbi.nlm.nih.gov

Yaeger, Robert G. (1996). Baron, Samuel (ed.). Protozoa: Structure, Classification, Growth, and Development. University of Texas Medical Branch at Galveston. ISBN 978-0-9631172-1-2. PMID 21413323. Retrieved 2020-07-07.
Ruggiero, Michael A.; Gordon, Dennis P.; Orrell, Thomas M.; Bailly, Nicolas; Bourgoin, Thierry; Brusca, Richard C.; Cavalier-Smith, Thomas; Guiry, Michael D.; Kirk, Paul M. (29 April 2015). "A Higher Level Classification of All Living Organisms". PLOS ONE. 10 (4) e0119248. Bibcode:2015PLoSO..1019248R. doi:10.1371/journal.pone.0119248. PMC 4418965. PMID 25923521.
Cavalier-Smith, Thomas (December 1993). "Kingdom Protozoa and Its 18 Phyla". Microbiological Reviews. 57 (4): 953–94. doi:10.1128/mmbr.57.4.953-994.1993. PMC 372943. PMID 8302218.
Cavalier-Smith, Thomas (23 June 2010). "Kingdoms Protozoa and Chromista and the Eozoan Root of the Eukaryotic Tree". Biology Letters. 6 (3): 342–45. Bibcode:2010BiLet...6..342C. doi:10.1098/rsbl.2009.0948. PMC 2880060. PMID 20031978.
Adl, Sina M.; Simpson, Alastair G.B.; Lane, Christopher E.; Lukeš, Julius; Bass, David; Bowser, Samuel S.; Brown, Matthew W.; Burki, Fabien; Dunthorn, Micah (2012-09-01). "The Revised Classification of Eukaryotes". Journal of Eukaryotic Microbiology. 59 (5): 429–514. doi:10.1111/j.1550-7408.2012.00644.x. PMC 3483872. PMID 23020233.
Burki, F. (May 2014). "The eukaryotic tree of life from a global phylogenomic perspective". Cold Spring Harbor Perspectives in Biology. 6 (5) a016147. doi:10.1101/cshperspect.a016147. PMC 3996474. PMID 24789819.
Burki, F. (January 2016). "Untangling the early diversification of eukaryotes: a phylogenomic study of the evolutionary origins of Centrohelida, Haptophyta and Cryptista". Proceedings: Biological Sciences. 283 (1823) 20152802. Bibcode:2016PBioS.28352802B. doi:10.1098/rspb.2015.2802. PMC 4795036. PMID 26817772.
Nishitani, Goh; Nagai, Satoshi; Baba, Katsuhisa; et al. (May 2010). "High-Level Congruence of Myrionecta rubra Prey and Dinophysis Species Plastid Identities as Revealed by Genetic Analyses of Isolates from Japanese Coastal Waters". Applied and Environmental Microbiology. 76 (9): 2791–98. Bibcode:2010ApEnM..76.2791N. doi:10.1128/AEM.02566-09. PMC 2863437. PMID 20305031.
Gilley, David; Blackburn, Elizabeth H. (1994). "Lack of telomere shortening during senescence in Paramecium" (PDF). Proceedings of the National Academy of Sciences of the United States of America. 91 (5): 1955–58. Bibcode:1994PNAS...91.1955G. doi:10.1073/pnas.91.5.1955. PMC 43283. PMID 8127914.
Yaeger, Robert G. (1996). "Ch. 77: Protozoa: Structure, Classification, Growth, and Development". In Baron, S (ed.). Medical Microbiology (4th ed.). Galveston: University of Texas Medical Branch at Galveston. ISBN 978-0-9631172-1-2. PMID 21413323.

parasite.org.au (Global: low place; English: low place)

"Trypanosoma brucei". parasite.org.au. Retrieved 2018-03-23.

pnas.org (Global: 1,293^rd place; English: 3,794^th place)

Gilley, David; Blackburn, Elizabeth H. (1994). "Lack of telomere shortening during senescence in Paramecium" (PDF). Proceedings of the National Academy of Sciences of the United States of America. 91 (5): 1955–58. Bibcode:1994PNAS...91.1955G. doi:10.1073/pnas.91.5.1955. PMC 43283. PMID 8127914.

psu.edu (Global: 207^th place; English: 136^th place)

citeseerx.ist.psu.edu

Whittaker, R.H. (10 January 1969). "New concepts of kingdoms or organisms. Evolutionary relations are better represented by new classifications than by the traditional two kingdoms". Science. 163 (3863): 150–60. Bibcode:1969Sci...163..150W. CiteSeerX 10.1.1.403.5430. doi:10.1126/science.163.3863.150. PMID 5762760.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Fenchel, Tom (1987). "Ecology of Protozoa". Brock/Springer Series in Contemporary Bioscience: 2. doi:10.1007/978-3-662-06817-5. ISBN 978-3-662-06819-9. ISSN 1432-0061. S2CID 44988543.
Rothschild, Lynn J. (1989). "Protozoa, Protista, Protoctista: What's in a Name?". Journal of the History of Biology. 22 (2): 277–305. doi:10.1007/BF00139515. ISSN 0022-5010. JSTOR 4331095. PMID 11542176. S2CID 32462158.
Dobell, C. (April 1951). "In memoriam Otto Bütschli (1848–1920) 'architect of protozoology'". Isis; an International Review Devoted to the History of Science and Its Cultural Influences. 42 (127): 20–22. doi:10.1086/349230. PMID 14831973. S2CID 32569053.
Copeland, Herbert F. (September–October 1947). "Progress Report on Basic Classification". The American Naturalist. 81 (800): 340–61. Bibcode:1947ANat...81..340C. doi:10.1086/281531. JSTOR 2458229. PMID 20267535. S2CID 36637843.
Cavalier-Smith, Thomas (August 1998). "A revised six-kingdom system of life". Biological Reviews. 73 (3): 203–66. Bibcode:1998BioRv..73..203C. doi:10.1111/j.1469-185X.1998.tb00030.x. PMID 9809012. S2CID 6557779.
Burki F, Roger AJ, Brown MW, Simpson AG (2020). "The New Tree of Eukaryotes". Trends in Ecology & Evolution. 35 (1). Elsevier BV: 43–55. Bibcode:2020TEcoE..35...43B. doi:10.1016/j.tree.2019.08.008. ISSN 0169-5347. PMID 31606140. S2CID 204545629.
Post, F.J.; Borowitzka, L.J.; Borowitzka, M.A.; Mackay, B.; Moulton, T. (1983-09-01). "The protozoa of a Western Australian hypersaline lagoon". Hydrobiologia. 105 (1): 95–113. Bibcode:1983HyBio.105...95P. doi:10.1007/BF00025180. ISSN 0018-8158. S2CID 40995213.
Verni, F.; Rosati, G. (2011). "Resting cysts: A survival strategy in Protozoa Ciliophora". Italian Journal of Zoology. 78 (2): 134–45. Bibcode:2011IJZoo..78..134V. doi:10.1080/11250003.2011.560579. S2CID 84550678. Retrieved 8 September 2022.
Aufderheide, Karl J. (1986). "Clonal aging in Paramecium tetraurelia. II. Evidence of functional changes in the macronucleus with age". Mechanisms of Ageing and Development. 37 (3): 265–79. doi:10.1016/0047-6374(86)90044-8. PMID 3553762. S2CID 28320562.
Holmes, George E.; Holmes, Norreen R. (July 1986). "Accumulation of DNA damages in aging Paramecium tetraurelia". Molecular and General Genetics. 204 (1): 108–14. doi:10.1007/bf00330196. PMID 3091993. S2CID 11992591.
Fenchel, T.; Finlay, B.J. (2004). "The ubiquity of small species: Patterns of local and global diversity". BioScience. 54 (8): 777–84. doi:10.1641/0006-3568(2004)054[0777:TUOSSP]2.0.CO;2. S2CID 85884588.

springer.com (Global: 274^th place; English: 309^th place)

link.springer.com

Fenchel, Tom (1987). "Ecology of Protozoa". Brock/Springer Series in Contemporary Bioscience: 2. doi:10.1007/978-3-662-06817-5. ISBN 978-3-662-06819-9. ISSN 1432-0061. S2CID 44988543.

tabularium.be (Global: low place; English: low place)

Bailly, Anatole. "Greek-french dictionary online". www.tabularium.be. Retrieved 2018-10-05.

tandfonline.com (Global: 507^th place; English: 429^th place)

Verni, F.; Rosati, G. (2011). "Resting cysts: A survival strategy in Protozoa Ciliophora". Italian Journal of Zoology. 78 (2): 134–45. Bibcode:2011IJZoo..78..134V. doi:10.1080/11250003.2011.560579. S2CID 84550678. Retrieved 8 September 2022.

tulane.edu (Global: 5,659^th place; English: 3,564^th place)

Wiser, Mark F. "Biochemistry of Plasmodium". The Wiser Page. Archived from the original on 2017-07-04. Retrieved 2018-03-22.

uconn.edu (Global: 5,165^th place; English: 3,393^rd place)

kennethnoll.uconn.edu

"Termite gut microbes | NOLL LAB". www.kennethnoll.uconn.edu. Archived from the original on 2018-03-21. Retrieved 2018-03-21.

udel.edu (Global: 4,858^th place; English: 3,506^th place)

www1.udel.edu

Lehman, Don. "Diagnostic parasitology". University of Delaware. Retrieved 2018-03-23.

uga.edu (Global: 2,385^th place; English: 1,626^th place)

protozoa.uga.edu

"New President's Address". protozoa.uga.edu. Archived from the original on 29 July 2016. Retrieved 1 May 2015.

utas.edu.au (Global: 9,835^th place; English: 6,097^th place)

imas.utas.edu.au

"Noctiluca scintillans". University of Tasmania, Australia. 2011-11-30. Retrieved 2018-03-23.

web.archive.org (Global: 1^st place; English: 1^st place)

Scamardella, J. M. (1999). "Not plants or animals: A brief history of the origin of Kingdoms Protozoa, Protista, and Protoctista" (PDF). International Microbiology. 2 (4): 207–21. PMID 10943416. Archived from the original (PDF) on 2021-08-25. Retrieved 2020-07-08.
"New President's Address". protozoa.uga.edu. Archived from the original on 29 July 2016. Retrieved 1 May 2015.
Wiser, Mark F. "Biochemistry of Plasmodium". The Wiser Page. Archived from the original on 2017-07-04. Retrieved 2018-03-22.
"Termite gut microbes | NOLL LAB". www.kennethnoll.uconn.edu. Archived from the original on 2018-03-21. Retrieved 2018-03-21.

wiktionary.org (Global: 649^th place; English: 827^th place)

en.wiktionary.org

(Haeckel, 1866), vol. 1, pp. 215 ff. From p. 215: "VII. Character des Protistenreiches." (VII. Character of the kingdom of Protists.) From p. 216: "VII. B. Morphologischer Character des Protistenreiches. Ba. Character der protistischen Individualitäten. Der wesentliche tectologische Character der Protisten liegt in der sehr unvollkommenen Ausbildung und Differenzirung der Individualität überhaupt, insbesondere aber derjenigen zweiter Ordnung, der Organe. Sehr viele Protisten erheben sich niemals über den morphologischen Werth von Individuen erster Ordnung oder Plastiden." (VII. B. Morphological character of the kingdom of protists. Ba. "Character of the protist Individualities. The essential tectological character of protists lies in the very incomplete formation and differentiation of individuality generally, however particularly of those of the second order, the organs. Very many protists never rise above the morphological level of individuals of the first order or plastids.")

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Fenchel, Tom (1987). "Ecology of Protozoa". Brock/Springer Series in Contemporary Bioscience: 2. doi:10.1007/978-3-662-06817-5. ISBN 978-3-662-06819-9. ISSN 1432-0061. S2CID 44988543.
Rothschild, Lynn J. (1989). "Protozoa, Protista, Protoctista: What's in a Name?". Journal of the History of Biology. 22 (2): 277–305. doi:10.1007/BF00139515. ISSN 0022-5010. JSTOR 4331095. PMID 11542176. S2CID 32462158.
Bailly, Anatole (1981). Abrégé du dictionnaire grec français. Paris: Hachette. ISBN 978-2-01-003528-9. OCLC 461974285.
Burki F, Roger AJ, Brown MW, Simpson AG (2020). "The New Tree of Eukaryotes". Trends in Ecology & Evolution. 35 (1). Elsevier BV: 43–55. Bibcode:2020TEcoE..35...43B. doi:10.1016/j.tree.2019.08.008. ISSN 0169-5347. PMID 31606140. S2CID 204545629.
Post, F.J.; Borowitzka, L.J.; Borowitzka, M.A.; Mackay, B.; Moulton, T. (1983-09-01). "The protozoa of a Western Australian hypersaline lagoon". Hydrobiologia. 105 (1): 95–113. Bibcode:1983HyBio.105...95P. doi:10.1007/BF00025180. ISSN 0018-8158. S2CID 40995213.

zenodo.org (Global: 621^st place; English: 380^th place)

Rothschild, Lynn J. (1989). "Protozoa, Protista, Protoctista: What's in a Name?". Journal of the History of Biology. 22 (2): 277–305. doi:10.1007/BF00139515. ISSN 0022-5010. JSTOR 4331095. PMID 11542176. S2CID 32462158.

Protozoa (English Wikipedia)

arcella.nl (Global: low place; English: low place)

archive.org (Global: 6th place; English: 6th place)

arizona.edu (Global: 1,592nd place; English: 1,119th place)

blc.arizona.edu

biodiversitylibrary.org (Global: 387th place; English: 373rd place)

books.google.com (Global: 3rd place; English: 3rd place)

cambridge.org (Global: 305th place; English: 264th place)

diva-portal.org (Global: 3,588th place; English: 3,072nd place)

uu.diva-portal.org

doi.org (Global: 2nd place; English: 2nd place)

eol.org (Global: 2,925th place; English: 2,776th place)

harvard.edu (Global: 18th place; English: 17th place)

ui.adsabs.harvard.edu

hathitrust.org (Global: 441st place; English: 311th place)

babel.hathitrust.org

jstor.org (Global: 26th place; English: 20th place)

merriam-webster.com (Global: 209th place; English: 191st place)

microbiologybook.org (Global: low place; English: low place)

msu.edu (Global: 1,844th place; English: 1,231st place)

nih.gov (Global: 4th place; English: 4th place)

pubmed.ncbi.nlm.nih.gov

ncbi.nlm.nih.gov

parasite.org.au (Global: low place; English: low place)

pnas.org (Global: 1,293rd place; English: 3,794th place)

psu.edu (Global: 207th place; English: 136th place)

citeseerx.ist.psu.edu

semanticscholar.org (Global: 11th place; English: 8th place)

api.semanticscholar.org

springer.com (Global: 274th place; English: 309th place)

link.springer.com

tabularium.be (Global: low place; English: low place)

tandfonline.com (Global: 507th place; English: 429th place)

tulane.edu (Global: 5,659th place; English: 3,564th place)

uconn.edu (Global: 5,165th place; English: 3,393rd place)

kennethnoll.uconn.edu

udel.edu (Global: 4,858th place; English: 3,506th place)

www1.udel.edu

uga.edu (Global: 2,385th place; English: 1,626th place)

protozoa.uga.edu

utas.edu.au (Global: 9,835th place; English: 6,097th place)

imas.utas.edu.au

web.archive.org (Global: 1st place; English: 1st place)

wiktionary.org (Global: 649th place; English: 827th place)

en.wiktionary.org

worldcat.org (Global: 5th place; English: 5th place)

search.worldcat.org

zenodo.org (Global: 621st place; English: 380th place)

archive.org (Global: 6^th place; English: 6^th place)

arizona.edu (Global: 1,592^nd place; English: 1,119^th place)

biodiversitylibrary.org (Global: 387^th place; English: 373^rd place)

books.google.com (Global: 3^rd place; English: 3^rd place)

cambridge.org (Global: 305^th place; English: 264^th place)

diva-portal.org (Global: 3,588^th place; English: 3,072^nd place)

doi.org (Global: 2^nd place; English: 2^nd place)

eol.org (Global: 2,925^th place; English: 2,776^th place)

harvard.edu (Global: 18^th place; English: 17^th place)

hathitrust.org (Global: 441^st place; English: 311^th place)

jstor.org (Global: 26^th place; English: 20^th place)

merriam-webster.com (Global: 209^th place; English: 191^st place)

msu.edu (Global: 1,844^th place; English: 1,231^st place)

nih.gov (Global: 4^th place; English: 4^th place)

pnas.org (Global: 1,293^rd place; English: 3,794^th place)

psu.edu (Global: 207^th place; English: 136^th place)

semanticscholar.org (Global: 11^th place; English: 8^th place)

springer.com (Global: 274^th place; English: 309^th place)

tandfonline.com (Global: 507^th place; English: 429^th place)

tulane.edu (Global: 5,659^th place; English: 3,564^th place)

uconn.edu (Global: 5,165^th place; English: 3,393^rd place)

udel.edu (Global: 4,858^th place; English: 3,506^th place)

uga.edu (Global: 2,385^th place; English: 1,626^th place)

utas.edu.au (Global: 9,835^th place; English: 6,097^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

wiktionary.org (Global: 649^th place; English: 827^th place)

worldcat.org (Global: 5^th place; English: 5^th place)

zenodo.org (Global: 621^st place; English: 380^th place)