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Helicoplacidae
Source Data |
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Rank | family | |||||||
Taxonomy (GBIF) | Life : Animalia : Echinodermata : Helicoplacidae | |||||||
Taxonomic Status (GBIF) | accepted | |||||||
Classification (GBIF) |
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Scientific Name | Helicoplacidae |
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Helicoplacus genus | accepted (GBIF) | No associated record in PBDB | |||
Polyplacus genus | accepted (GBIF) | No associated record in PBDB |
References
Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp. - via The Interim Register of Marine and Nonmarine Genera |
Wilbur, B. C. (2006). Reduction in the number of Early Cambrian helicoplacoid species. Palaeoworld. 15(3-4): 283-293. - via The Interim Register of Marine and Nonmarine Genera |
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!