Brian K. Hall. The Paradoxical Platypus. „BioScience”. 49 (3), s. 211–218, 1999-03. American Institute of Biological Sciences. DOI: 10.2307/1313511. (ang.).
J.M. Watson, J.A.M. Graves. Monotreme Cell-Cycles and the Evolution of Homeothermy. „Australian Journal of Zoology”. 36 (5), s. 573–584, 1988. CSIRO. DOI: 10.1071/ZO9880573.
T.J. Dawson, T.R. Grant, D. Fanning. Standard Metabolism of Monotremes and the Evolution of Homeothermy. „Australian Journal of Zoology”. 27 (4), s. 511–515, 1979. CSIRO. DOI: 10.1071/ZO9790511.
H.L.H.H. Green. The Development and Morphology of the Teeth of Ornithorhynchus. „Philosophical Transactions of the Royal Society B: Biological Sciences”. 228 (555), s. 367–420, 1937. DOI: 10.1098/rstb.1937.0015. (ang.).
J.L. Gardner, M. Serena. Spatial-Organization and Movement Patterns of Adult Male Platypus, Ornithorhynchus-Anatinus (Monotremata, Ornithorhynchidae). „Australian Journal of Zoology”. 43 (1), s. 91–103, 1995. CSIRO. DOI: 10.1071/ZO9950091.
H. Kruuk. The Diving Behaviour of the Platypus (Ornithorhynchus anatinus) in Waters with Different Trophic Status. „The Journal of Applied Ecology”. 30 (4), s. 592–598, 1993. DOI: 10.2307/2404239. (ang.).
T.R. Grant, M. Griffiths, R.M.C. Leckie. Aspects of Lactation in the Platypus, Ornithorhynchus anatinus (Monotremata), in Waters of Eastern New South Wales. „Australian Journal of Zoology”. 31 (6), s. 881–889, 1983. 1983. DOI: 10.1071/ZO9830881. (ang.).
R.L. Hughes, L.S. Hall. Early development and embryology of the platypus. „Philosophical Transactions of the Royal Society B: Biological Sciences”. 353 (1372), s. 1101–1114, 1998-07-29. The Royal Society. DOI: 10.1098/rstb.1998.0269. PMID: 9720108. (ang.).
Paul R. Manger, Leslie S. Hall, John D. Pettigrew. The Development of the External Features of the Platypus (Ornithorhynchus Anatinus). „Philosophical Transactions: Biological Sciences”. 353 (1372), s. 1115–1125, 1998-07-29. The Royal Society. DOI: 10.1098/rstb.1998.0270. PMID: 9720109. (ang.).
John A.W. Kirsch, Gregory C. Mayer. The Platypus is not a Rodent: DNA Hybridization, Amniote Phylogeny and the Palimpsest Theory. „Philosophical Transactions: Biological Sciences”. 353 (1372), s. 1221–1237, 1998-07-29. DOI: 10.1098/rstb.1998.0278. PMID: 9720117. (ang.).
M. Messer, A.S. Weiss, D.C. Shaw, M. Westerman. Evolution of the Monotremes: Phylogenetic Relationship to Marsupials and Eutherians, and Estimation of Divergence Dates Based on α-Lactalbumin Amino Acid Sequences. „Journal of Mammalian Evolution”. 5 (1), s. 95–105, 1998-03. Springer Netherlands. DOI: 10.1023/A:1020523120739. (ang.).
F. Grützner, W. Rens, E. Tsend-Ayush, N. El-Mogharbel i inni. In the platypus a meiotic chain of ten sex chromosomes shares genes with the bird Z and mammal X chromosomes.. „Nature”. 432 (7019), s. 913–7, grudzień 2004. DOI: 10.1038/nature03021. PMID: 15502814. (ang.).
Platypus in Tasmania. Department of Primary Industries and Water, Tasmania, 2006-08-31. [dostęp 2006-10-12]. [zarchiwizowane z tego adresu (2017-02-08)].
Platypus. Departament of Environment and Heritage Protection, 19 września 2011. [dostęp 2014-01-19]. (ang.).
environment.gov.au
16: Ornithorhynchidae, [w:] T.R.T.R.GrantT.R.T.R., Fauna of Australia, t. 1B Mammalia, Australian Biological Resources Study (ABRS) [dostęp 2014-01-19] [zarchiwizowane z adresu 2013-12-03](ang.). Brak numerów stron w książce
J.J.WoinarskiJ.J., A.A.A.A.BurbidgeA.A.A.A., Ornithorhynchus anatinus, [w:] The IUCN Red List of Threatened Species 2015, wersja 2015.1 [dostęp 2015-06-20](ang.).
J.E. Gregory, A. Iggo, A.K. McIntyre, U. Proske. Receptors in the Bill of the Platypus. „The Journal of Physiology”. 400, s. 349–366, 1988-06. [dostęp 2014-01-19]. (ang.).
C. Zeiss, I.R. Schwab, C.J. Murphy, R.W. Dubielzig. Comparative retinal morphology of the platypus. „Journal of Morphology”. 272 (8), s. 949–957, sierpień 2011. DOI: 10.1002/jmor.10959. PMID: 21567446.
R.L. Hughes, L.S. Hall. Early development and embryology of the platypus. „Philosophical Transactions of the Royal Society B: Biological Sciences”. 353 (1372), s. 1101–1114, 1998-07-29. The Royal Society. DOI: 10.1098/rstb.1998.0269. PMID: 9720108. (ang.).
Paul R. Manger, Leslie S. Hall, John D. Pettigrew. The Development of the External Features of the Platypus (Ornithorhynchus Anatinus). „Philosophical Transactions: Biological Sciences”. 353 (1372), s. 1115–1125, 1998-07-29. The Royal Society. DOI: 10.1098/rstb.1998.0270. PMID: 9720109. (ang.).
John A.W. Kirsch, Gregory C. Mayer. The Platypus is not a Rodent: DNA Hybridization, Amniote Phylogeny and the Palimpsest Theory. „Philosophical Transactions: Biological Sciences”. 353 (1372), s. 1221–1237, 1998-07-29. DOI: 10.1098/rstb.1998.0278. PMID: 9720117. (ang.).
F. Grützner, W. Rens, E. Tsend-Ayush, N. El-Mogharbel i inni. In the platypus a meiotic chain of ten sex chromosomes shares genes with the bird Z and mammal X chromosomes.. „Nature”. 432 (7019), s. 913–7, grudzień 2004. DOI: 10.1038/nature03021. PMID: 15502814. (ang.).
nla.gov.au
Platypus Paradoxes. National Library of Australia, 2001-08. [dostęp 2006-09-14].
nprsr.qld.gov.au
David Fleay Wildlife Park. Department of National Parks, Recreation, Sport and Racing. [dostęp 2014-02-04]. (ang.).
Walkabout Creek. Department of National Parks, Recreation, Sport and Racing. [dostęp 2014-02-04]. [zarchiwizowane z tego adresu (2015-06-28)]. (ang.).
16: Ornithorhynchidae, [w:] T.R.T.R.GrantT.R.T.R., Fauna of Australia, t. 1B Mammalia, Australian Biological Resources Study (ABRS) [dostęp 2014-01-19] [zarchiwizowane z adresu 2013-12-03](ang.). Brak numerów stron w książce
Platypus in Tasmania. Department of Primary Industries and Water, Tasmania, 2006-08-31. [dostęp 2006-10-12]. [zarchiwizowane z tego adresu (2017-02-08)].