Halwaxiida (English Wikipedia)

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

refsWebsite

Global rank English rank

27doi.org

2^nd place

13semanticscholar.org

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12nih.gov

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8harvard.edu

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3jstor.org

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2archive.today

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2wiley.com

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1books.google.com

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1handle.net

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1palass.org

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1web.archive.org

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1stephenjaygould.org

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1ucsb.edu

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1gla.ac.uk

2,948^th place

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1geoscienceworld.org

3,158^th place

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1worldcat.org

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1findarticles.com

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archive.today

Butterfield, N.J. (2006). "Hooking some stem-group "worms": fossil lophotrochozoans in the Burgess Shale". BioEssays. 28 (12): 1161–6. doi:10.1002/bies.20507. PMID 17120226. S2CID 29130876. Archived from the original on 2011-08-13. Retrieved 2008-08-06.
Scheltema, A.H., Kerth, K., and Kuzirian, A.M. (2003). "Original Molluscan Radula: Comparisons Among Aplacophora, Polyplacophora, Gastropoda, and the Cambrian Fossil Wiwaxia corrugata". Journal of Morphology. 257 (2): 219–245. doi:10.1002/jmor.10121. PMID 12833382. S2CID 32940079. Archived from the original on 2012-12-08. Retrieved 2008-08-05.{{cite journal}}: CS1 maint: multiple names: authors list (link)

books.google.com

Minelli, Alessandro (2009). Perspectives in Animal Phylogeny and Evolution. Oxford University Press. p. 61. ISBN 978-0-19-856620-5.

doi.org

The original, possibly incomplete, list includes Australohalkieria, Drepanochites, Eohalobia, Halkieria, Lomasulcachites, Ninella, Ocruranus, Oikozetetes, Orthrozanclus, Sinosachites, Siphogonuchites, Thambetolepis, and Wiwaxia — Conway Morris, S.; Caron, J.B. (2007). "Halwaxiids and the Early Evolution of the Lophotrochozoans". Science. 315 (5816): 1255–8. Bibcode:2007Sci...315.1255M. doi:10.1126/science.1137187. PMID 17332408. S2CID 22556453.
Zhao, Fangchen; Smith, Martin R; Yin, Zongjun; Zeng, Han; Li, Guoxiang; Zhu, Maoyan (2017). "Orthrozanclus elongata n. sp. And the significance of sclerite-covered taxa for early trochozoan evolution". Scientific Reports. 7 (1): 16232. Bibcode:2017NatSR...716232Z. doi:10.1038/s41598-017-16304-6. PMC 5701144. PMID 29176685.
Bengtson, S. (1985). "Redescription of the Lower Cambrian Halkieria obliqua Poulsen". Geologiska Föreningen i Stockholm Förhandlingar. 107 (2): 101–106. doi:10.1080/11035898509452621.
Jell, P. (1981). "Thambetolepis delicata gen. et sp. nov., an enigmatic fossil from the Early Cambrian of South Australia". Alcheringa: An Australasian Journal of Palaeontology. 5 (2): 85–89. doi:10.1080/03115518108565423.
Caron, J.B.; Scheltema, A.; Schander, C.; Rudkin, D. (2006-07-13). "A soft-bodied mollusc with radula from the Middle Cambrian Burgess Shale". Nature. 442 (7099): 159–163. Bibcode:2006Natur.442..159C. doi:10.1038/nature04894. hdl:1912/1404. PMID 16838013. S2CID 4431853.
Conway Morris, S.; Caron, J.-B. (March 2007). "Halwaxiids and the Early Evolution of the Lophotrochozoans". Science. 315 (5816): 1255–1258. Bibcode:2007Sci...315.1255M. doi:10.1126/science.1137187. PMID 17332408. S2CID 22556453.
Butterfield, N. J. (1990). "A reassessment of the enigmatic Burgess Shale fossil Wiwaxia corrugata (Matthew) and its relationship to the polychaete Canadia spinosa Walcott". Paleobiology. 16 (3): 287–303. doi:10.1017/S0094837300010009. JSTOR 2400789. S2CID 88100863.
Warén, A.; Bengtson, S.; Goffredi, S.; Van Dover, C. (2003). "A hot-vent gastropod with iron sulfide dermal sclerites". Science. 302 (5647): 1007. doi:10.1126/science.1087696. PMID 14605361. S2CID 38386600.
Butterfield, N.J. (2006). "Hooking some stem-group "worms": fossil lophotrochozoans in the Burgess Shale". BioEssays. 28 (12): 1161–6. doi:10.1002/bies.20507. PMID 17120226. S2CID 29130876. Archived from the original on 2011-08-13. Retrieved 2008-08-06.
Bengtson, Stefan; Morris, Simon Conway (2007). "A comparative study of Lower Cambrian Halkieria and Middle Cambrian Wiwaxia". Lethaia. 17 (4): 307–329. doi:10.1111/j.1502-3931.1984.tb02022.x.
Conway Morris, S.; Peel, J. S. (1995). "Articulated Halkieriids from the Lower Cambrian of North Greenland and their Role in Early Protostome Evolution". Philosophical Transactions of the Royal Society B. 347 (1321): 305–358. Bibcode:1995RSPTB.347..305C. doi:10.1098/rstb.1995.0029. Retrieved 2008-07-31.
Eibye-Jacobsen, D. (2004). "A reevaluation of Wiwaxia and the polychaetes of the Burgess Shale". Lethaia. 37 (3): 317–335. doi:10.1080/00241160410002027.
Scheltema, A.H., Kerth, K., and Kuzirian, A.M. (2003). "Original Molluscan Radula: Comparisons Among Aplacophora, Polyplacophora, Gastropoda, and the Cambrian Fossil Wiwaxia corrugata". Journal of Morphology. 257 (2): 219–245. doi:10.1002/jmor.10121. PMID 12833382. S2CID 32940079. Archived from the original on 2012-12-08. Retrieved 2008-08-05.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Sun, Haijing; Smith, Martin R.; Zeng, Han; Zhao, Fangchen; Li, Guoxiang; Zhu, Maoyan (2018-09-26). "Hyoliths with pedicles illuminate the origin of the brachiopod body plan". Proceedings of the Royal Society B: Biological Sciences. 285 (1887): 20181780. doi:10.1098/rspb.2018.1780. PMC 6170810. PMID 30257914.
Conway Morris, S. (1985). "The Middle Cambrian metazoan Wiwaxia corrugata (Matthew) from the Burgess Shale and Ogygopsis Shale, British Columbia, Canada". Philosophical Transactions of the Royal Society of London B. 307 (1134): 507–582. Bibcode:1985RSPTB.307..507M. doi:10.1098/rstb.1985.0005. JSTOR 2396338.
Conway Morris, S.; Peel, J.S. (June 1990). "Articulated halkieriids from the Lower Cambrian of north Greenland". Nature. 345 (6278): 802–805. Bibcode:1990Natur.345..802M. doi:10.1038/345802a0. S2CID 4324153. A short but free account is given at "Showdown on the Burgess Shale". Archived from the original on 2010-12-10. Retrieved 2008-07-31.
Porter, S.M (2008). "Skeletal microstructure indicates Chancelloriids and Halkieriids are closely related" (PDF). Palaeontology. 51 (4): 865–879. doi:10.1111/j.1475-4983.2008.00792.x. Retrieved 2008-08-07.
Butterfield, N.J. (May 2008). "An Early Cambrian Radula". Journal of Paleontology. 82 (3): 543–554. doi:10.1666/07-066.1. S2CID 86083492. Retrieved 2008-08-20.
Cohen, B. L. and Holmer, L. E. and Luter, C. (2003). "The brachiopod fold: a neglected body plan hypothesis" (PDF). Palaeontology. 46 (1): 59–65. doi:10.1111/1475-4983.00287. Retrieved 2008-08-07.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Scheltema, A. H.; Ivanov, D. L. (2002). "An aplacophoran postlarva with iterated dorsal groups of spicules and skeletal similarities to Paleozoic fossils". Invertebrate Biology. 121: 1–10. doi:10.1111/j.1744-7410.2002.tb00124.x.
Vinther, J.; Nielsen, C. (2005). "The Early Cambrian Halkieria is a mollusc". Zoologica Scripta. 34: 81–89. doi:10.1111/j.1463-6409.2005.00177.x. S2CID 84493997.
Conway Morris, S. (June 2006). "Darwin's dilemma: the realities of the Cambrian 'explosion'". Philosophical Transactions of the Royal Society B. 361 (1470): 1069–83. doi:10.1098/rstb.2006.1846. PMC 1578734. PMID 16754615.
Butterfield, N. J.; C. J. Nicholas (1996). "Burgess Shale-type preservation of both non-mineralizing and "shelly" Cambrian organisms from the Mackenzie Mountains, northwestern Canada". Journal of Paleontology. 70 (6): 893–899. doi:10.1017/S0022336000038579. JSTOR 1306492. S2CID 133427906.
Janussen, D., Steiner, M., and Zhu, M-Y. (July 2002). "New Well-preserved Scleritomes of Chancelloridae from the Early Cambrian Yuanshan Formation (Chengjiang, China) and the Middle Cambrian Wheeler Shale (Utah, USA) and paleobiological implications". Journal of Paleontology. 76 (4): 596–606. doi:10.1666/0022-3360(2002)076<0596:NWPSOC>2.0.CO;2. ISSN 0022-3360. S2CID 129127213. Retrieved 2008-08-04.{{cite journal}}: CS1 maint: multiple names: authors list (link) Free full text without images at Janussen, Dorte (2002). "(as above)". Journal of Paleontology. Retrieved 2008-08-04.
Fedonkin, M. A.; Waggoner, B. M. (1997). "The Late Precambrian fossil Kimberella is a mollusc-like bilaterian organism". Nature. 388 (6645): 868–871. Bibcode:1997Natur.388..868F. doi:10.1038/42242. S2CID 4395089.

dx.doi.org

Conway Morris, S.; Peel, J. S. (1995). "Articulated Halkieriids from the Lower Cambrian of North Greenland and their Role in Early Protostome Evolution". Philosophical Transactions of the Royal Society B. 347 (1321): 305–358. Bibcode:1995RSPTB.347..305C. doi:10.1098/rstb.1995.0029. Retrieved 2008-07-31.
Butterfield, N.J. (May 2008). "An Early Cambrian Radula". Journal of Paleontology. 82 (3): 543–554. doi:10.1666/07-066.1. S2CID 86083492. Retrieved 2008-08-20.

findarticles.com

Janussen, D., Steiner, M., and Zhu, M-Y. (July 2002). "New Well-preserved Scleritomes of Chancelloridae from the Early Cambrian Yuanshan Formation (Chengjiang, China) and the Middle Cambrian Wheeler Shale (Utah, USA) and paleobiological implications". Journal of Paleontology. 76 (4): 596–606. doi:10.1666/0022-3360(2002)076<0596:NWPSOC>2.0.CO;2. ISSN 0022-3360. S2CID 129127213. Retrieved 2008-08-04.{{cite journal}}: CS1 maint: multiple names: authors list (link) Free full text without images at Janussen, Dorte (2002). "(as above)". Journal of Paleontology. Retrieved 2008-08-04.

geoscienceworld.org

jpaleontol.geoscienceworld.org

Janussen, D., Steiner, M., and Zhu, M-Y. (July 2002). "New Well-preserved Scleritomes of Chancelloridae from the Early Cambrian Yuanshan Formation (Chengjiang, China) and the Middle Cambrian Wheeler Shale (Utah, USA) and paleobiological implications". Journal of Paleontology. 76 (4): 596–606. doi:10.1666/0022-3360(2002)076<0596:NWPSOC>2.0.CO;2. ISSN 0022-3360. S2CID 129127213. Retrieved 2008-08-04.{{cite journal}}: CS1 maint: multiple names: authors list (link) Free full text without images at Janussen, Dorte (2002). "(as above)". Journal of Paleontology. Retrieved 2008-08-04.

gla.ac.uk

eprints.gla.ac.uk

Cohen, B. L. and Holmer, L. E. and Luter, C. (2003). "The brachiopod fold: a neglected body plan hypothesis" (PDF). Palaeontology. 46 (1): 59–65. doi:10.1111/1475-4983.00287. Retrieved 2008-08-07.{{cite journal}}: CS1 maint: multiple names: authors list (link)

handle.net

hdl.handle.net

Caron, J.B.; Scheltema, A.; Schander, C.; Rudkin, D. (2006-07-13). "A soft-bodied mollusc with radula from the Middle Cambrian Burgess Shale". Nature. 442 (7099): 159–163. Bibcode:2006Natur.442..159C. doi:10.1038/nature04894. hdl:1912/1404. PMID 16838013. S2CID 4431853.

harvard.edu

ui.adsabs.harvard.edu

The original, possibly incomplete, list includes Australohalkieria, Drepanochites, Eohalobia, Halkieria, Lomasulcachites, Ninella, Ocruranus, Oikozetetes, Orthrozanclus, Sinosachites, Siphogonuchites, Thambetolepis, and Wiwaxia — Conway Morris, S.; Caron, J.B. (2007). "Halwaxiids and the Early Evolution of the Lophotrochozoans". Science. 315 (5816): 1255–8. Bibcode:2007Sci...315.1255M. doi:10.1126/science.1137187. PMID 17332408. S2CID 22556453.
Zhao, Fangchen; Smith, Martin R; Yin, Zongjun; Zeng, Han; Li, Guoxiang; Zhu, Maoyan (2017). "Orthrozanclus elongata n. sp. And the significance of sclerite-covered taxa for early trochozoan evolution". Scientific Reports. 7 (1): 16232. Bibcode:2017NatSR...716232Z. doi:10.1038/s41598-017-16304-6. PMC 5701144. PMID 29176685.
Caron, J.B.; Scheltema, A.; Schander, C.; Rudkin, D. (2006-07-13). "A soft-bodied mollusc with radula from the Middle Cambrian Burgess Shale". Nature. 442 (7099): 159–163. Bibcode:2006Natur.442..159C. doi:10.1038/nature04894. hdl:1912/1404. PMID 16838013. S2CID 4431853.
Conway Morris, S.; Caron, J.-B. (March 2007). "Halwaxiids and the Early Evolution of the Lophotrochozoans". Science. 315 (5816): 1255–1258. Bibcode:2007Sci...315.1255M. doi:10.1126/science.1137187. PMID 17332408. S2CID 22556453.
Conway Morris, S.; Peel, J. S. (1995). "Articulated Halkieriids from the Lower Cambrian of North Greenland and their Role in Early Protostome Evolution". Philosophical Transactions of the Royal Society B. 347 (1321): 305–358. Bibcode:1995RSPTB.347..305C. doi:10.1098/rstb.1995.0029. Retrieved 2008-07-31.
Conway Morris, S. (1985). "The Middle Cambrian metazoan Wiwaxia corrugata (Matthew) from the Burgess Shale and Ogygopsis Shale, British Columbia, Canada". Philosophical Transactions of the Royal Society of London B. 307 (1134): 507–582. Bibcode:1985RSPTB.307..507M. doi:10.1098/rstb.1985.0005. JSTOR 2396338.
Conway Morris, S.; Peel, J.S. (June 1990). "Articulated halkieriids from the Lower Cambrian of north Greenland". Nature. 345 (6278): 802–805. Bibcode:1990Natur.345..802M. doi:10.1038/345802a0. S2CID 4324153. A short but free account is given at "Showdown on the Burgess Shale". Archived from the original on 2010-12-10. Retrieved 2008-07-31.
Fedonkin, M. A.; Waggoner, B. M. (1997). "The Late Precambrian fossil Kimberella is a mollusc-like bilaterian organism". Nature. 388 (6645): 868–871. Bibcode:1997Natur.388..868F. doi:10.1038/42242. S2CID 4395089.

jstor.org

Butterfield, N. J. (1990). "A reassessment of the enigmatic Burgess Shale fossil Wiwaxia corrugata (Matthew) and its relationship to the polychaete Canadia spinosa Walcott". Paleobiology. 16 (3): 287–303. doi:10.1017/S0094837300010009. JSTOR 2400789. S2CID 88100863.
Conway Morris, S. (1985). "The Middle Cambrian metazoan Wiwaxia corrugata (Matthew) from the Burgess Shale and Ogygopsis Shale, British Columbia, Canada". Philosophical Transactions of the Royal Society of London B. 307 (1134): 507–582. Bibcode:1985RSPTB.307..507M. doi:10.1098/rstb.1985.0005. JSTOR 2396338.
Butterfield, N. J.; C. J. Nicholas (1996). "Burgess Shale-type preservation of both non-mineralizing and "shelly" Cambrian organisms from the Mackenzie Mountains, northwestern Canada". Journal of Paleontology. 70 (6): 893–899. doi:10.1017/S0022336000038579. JSTOR 1306492. S2CID 133427906.

nih.gov

pubmed.ncbi.nlm.nih.gov

The original, possibly incomplete, list includes Australohalkieria, Drepanochites, Eohalobia, Halkieria, Lomasulcachites, Ninella, Ocruranus, Oikozetetes, Orthrozanclus, Sinosachites, Siphogonuchites, Thambetolepis, and Wiwaxia — Conway Morris, S.; Caron, J.B. (2007). "Halwaxiids and the Early Evolution of the Lophotrochozoans". Science. 315 (5816): 1255–8. Bibcode:2007Sci...315.1255M. doi:10.1126/science.1137187. PMID 17332408. S2CID 22556453.
Zhao, Fangchen; Smith, Martin R; Yin, Zongjun; Zeng, Han; Li, Guoxiang; Zhu, Maoyan (2017). "Orthrozanclus elongata n. sp. And the significance of sclerite-covered taxa for early trochozoan evolution". Scientific Reports. 7 (1): 16232. Bibcode:2017NatSR...716232Z. doi:10.1038/s41598-017-16304-6. PMC 5701144. PMID 29176685.
Caron, J.B.; Scheltema, A.; Schander, C.; Rudkin, D. (2006-07-13). "A soft-bodied mollusc with radula from the Middle Cambrian Burgess Shale". Nature. 442 (7099): 159–163. Bibcode:2006Natur.442..159C. doi:10.1038/nature04894. hdl:1912/1404. PMID 16838013. S2CID 4431853.
Conway Morris, S.; Caron, J.-B. (March 2007). "Halwaxiids and the Early Evolution of the Lophotrochozoans". Science. 315 (5816): 1255–1258. Bibcode:2007Sci...315.1255M. doi:10.1126/science.1137187. PMID 17332408. S2CID 22556453.
Warén, A.; Bengtson, S.; Goffredi, S.; Van Dover, C. (2003). "A hot-vent gastropod with iron sulfide dermal sclerites". Science. 302 (5647): 1007. doi:10.1126/science.1087696. PMID 14605361. S2CID 38386600.
Butterfield, N.J. (2006). "Hooking some stem-group "worms": fossil lophotrochozoans in the Burgess Shale". BioEssays. 28 (12): 1161–6. doi:10.1002/bies.20507. PMID 17120226. S2CID 29130876. Archived from the original on 2011-08-13. Retrieved 2008-08-06.
Scheltema, A.H., Kerth, K., and Kuzirian, A.M. (2003). "Original Molluscan Radula: Comparisons Among Aplacophora, Polyplacophora, Gastropoda, and the Cambrian Fossil Wiwaxia corrugata". Journal of Morphology. 257 (2): 219–245. doi:10.1002/jmor.10121. PMID 12833382. S2CID 32940079. Archived from the original on 2012-12-08. Retrieved 2008-08-05.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Sun, Haijing; Smith, Martin R.; Zeng, Han; Zhao, Fangchen; Li, Guoxiang; Zhu, Maoyan (2018-09-26). "Hyoliths with pedicles illuminate the origin of the brachiopod body plan". Proceedings of the Royal Society B: Biological Sciences. 285 (1887): 20181780. doi:10.1098/rspb.2018.1780. PMC 6170810. PMID 30257914.
Conway Morris, S. (June 2006). "Darwin's dilemma: the realities of the Cambrian 'explosion'". Philosophical Transactions of the Royal Society B. 361 (1470): 1069–83. doi:10.1098/rstb.2006.1846. PMC 1578734. PMID 16754615.

ncbi.nlm.nih.gov

Zhao, Fangchen; Smith, Martin R; Yin, Zongjun; Zeng, Han; Li, Guoxiang; Zhu, Maoyan (2017). "Orthrozanclus elongata n. sp. And the significance of sclerite-covered taxa for early trochozoan evolution". Scientific Reports. 7 (1): 16232. Bibcode:2017NatSR...716232Z. doi:10.1038/s41598-017-16304-6. PMC 5701144. PMID 29176685.
Sun, Haijing; Smith, Martin R.; Zeng, Han; Zhao, Fangchen; Li, Guoxiang; Zhu, Maoyan (2018-09-26). "Hyoliths with pedicles illuminate the origin of the brachiopod body plan". Proceedings of the Royal Society B: Biological Sciences. 285 (1887): 20181780. doi:10.1098/rspb.2018.1780. PMC 6170810. PMID 30257914.
Conway Morris, S. (June 2006). "Darwin's dilemma: the realities of the Cambrian 'explosion'". Philosophical Transactions of the Royal Society B. 361 (1470): 1069–83. doi:10.1098/rstb.2006.1846. PMC 1578734. PMID 16754615.

palass.org

N.J., Butterfield (2007-12-18). "Lophotrochozoan roots and stems". In Budd, G.E.; Streng, M.; Daley, A.C.; Willman, S. (eds.). Programme with Abstracts. Palaeontological Association Annual Meeting 2007. Uppsala, Sweden. pp. 26–7.

semanticscholar.org

api.semanticscholar.org

The original, possibly incomplete, list includes Australohalkieria, Drepanochites, Eohalobia, Halkieria, Lomasulcachites, Ninella, Ocruranus, Oikozetetes, Orthrozanclus, Sinosachites, Siphogonuchites, Thambetolepis, and Wiwaxia — Conway Morris, S.; Caron, J.B. (2007). "Halwaxiids and the Early Evolution of the Lophotrochozoans". Science. 315 (5816): 1255–8. Bibcode:2007Sci...315.1255M. doi:10.1126/science.1137187. PMID 17332408. S2CID 22556453.
Caron, J.B.; Scheltema, A.; Schander, C.; Rudkin, D. (2006-07-13). "A soft-bodied mollusc with radula from the Middle Cambrian Burgess Shale". Nature. 442 (7099): 159–163. Bibcode:2006Natur.442..159C. doi:10.1038/nature04894. hdl:1912/1404. PMID 16838013. S2CID 4431853.
Conway Morris, S.; Caron, J.-B. (March 2007). "Halwaxiids and the Early Evolution of the Lophotrochozoans". Science. 315 (5816): 1255–1258. Bibcode:2007Sci...315.1255M. doi:10.1126/science.1137187. PMID 17332408. S2CID 22556453.
Butterfield, N. J. (1990). "A reassessment of the enigmatic Burgess Shale fossil Wiwaxia corrugata (Matthew) and its relationship to the polychaete Canadia spinosa Walcott". Paleobiology. 16 (3): 287–303. doi:10.1017/S0094837300010009. JSTOR 2400789. S2CID 88100863.
Warén, A.; Bengtson, S.; Goffredi, S.; Van Dover, C. (2003). "A hot-vent gastropod with iron sulfide dermal sclerites". Science. 302 (5647): 1007. doi:10.1126/science.1087696. PMID 14605361. S2CID 38386600.
Butterfield, N.J. (2006). "Hooking some stem-group "worms": fossil lophotrochozoans in the Burgess Shale". BioEssays. 28 (12): 1161–6. doi:10.1002/bies.20507. PMID 17120226. S2CID 29130876. Archived from the original on 2011-08-13. Retrieved 2008-08-06.
Scheltema, A.H., Kerth, K., and Kuzirian, A.M. (2003). "Original Molluscan Radula: Comparisons Among Aplacophora, Polyplacophora, Gastropoda, and the Cambrian Fossil Wiwaxia corrugata". Journal of Morphology. 257 (2): 219–245. doi:10.1002/jmor.10121. PMID 12833382. S2CID 32940079. Archived from the original on 2012-12-08. Retrieved 2008-08-05.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Conway Morris, S.; Peel, J.S. (June 1990). "Articulated halkieriids from the Lower Cambrian of north Greenland". Nature. 345 (6278): 802–805. Bibcode:1990Natur.345..802M. doi:10.1038/345802a0. S2CID 4324153. A short but free account is given at "Showdown on the Burgess Shale". Archived from the original on 2010-12-10. Retrieved 2008-07-31.
Butterfield, N.J. (May 2008). "An Early Cambrian Radula". Journal of Paleontology. 82 (3): 543–554. doi:10.1666/07-066.1. S2CID 86083492. Retrieved 2008-08-20.
Vinther, J.; Nielsen, C. (2005). "The Early Cambrian Halkieria is a mollusc". Zoologica Scripta. 34: 81–89. doi:10.1111/j.1463-6409.2005.00177.x. S2CID 84493997.
Butterfield, N. J.; C. J. Nicholas (1996). "Burgess Shale-type preservation of both non-mineralizing and "shelly" Cambrian organisms from the Mackenzie Mountains, northwestern Canada". Journal of Paleontology. 70 (6): 893–899. doi:10.1017/S0022336000038579. JSTOR 1306492. S2CID 133427906.
Janussen, D., Steiner, M., and Zhu, M-Y. (July 2002). "New Well-preserved Scleritomes of Chancelloridae from the Early Cambrian Yuanshan Formation (Chengjiang, China) and the Middle Cambrian Wheeler Shale (Utah, USA) and paleobiological implications". Journal of Paleontology. 76 (4): 596–606. doi:10.1666/0022-3360(2002)076<0596:NWPSOC>2.0.CO;2. ISSN 0022-3360. S2CID 129127213. Retrieved 2008-08-04.{{cite journal}}: CS1 maint: multiple names: authors list (link) Free full text without images at Janussen, Dorte (2002). "(as above)". Journal of Paleontology. Retrieved 2008-08-04.
Fedonkin, M. A.; Waggoner, B. M. (1997). "The Late Precambrian fossil Kimberella is a mollusc-like bilaterian organism". Nature. 388 (6645): 868–871. Bibcode:1997Natur.388..868F. doi:10.1038/42242. S2CID 4395089.

stephenjaygould.org

Conway Morris, S.; Peel, J.S. (June 1990). "Articulated halkieriids from the Lower Cambrian of north Greenland". Nature. 345 (6278): 802–805. Bibcode:1990Natur.345..802M. doi:10.1038/345802a0. S2CID 4324153. A short but free account is given at "Showdown on the Burgess Shale". Archived from the original on 2010-12-10. Retrieved 2008-07-31.

ucsb.edu

geol.ucsb.edu

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