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Eleutherozoa
Source Data |
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Rank | subphylum (PBDB) | ||||||||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Echinodermata : Eleutherozoa | ||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Opinions (PBDB) |
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Status (PBDB) | extant | ||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 61 | ||||||||||||||||||||||||||||||
Extant Size (PBDB) | 1 (1.6%) | ||||||||||||||||||||||||||||||
First Recorded Appearance | 433 - 427 Ma Silurian | ||||||||||||||||||||||||||||||
Environment | marine (based on Echinodermata) | ||||||||||||||||||||||||||||||
Reproduction | dispersal=water,planktonic (based on Echinodermata) | ||||||||||||||||||||||||||||||
Ontogeny | accretion,addition of parts (based on Echinodermata) | ||||||||||||||||||||||||||||||
Taphonomy | high Mg calcite (based on Echinodermata) | ||||||||||||||||||||||||||||||
Primary Reference (PBDB) | F. J. Bell. 1891. On the arrangment and inter-relations of the classes of the Echinodermata. The annals and Magazine of Natural History 8:206-215 |
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Ophiocistioidea ✝ class | listed (PBDB) | 66 | 433 Ma Silurian | 70.6 Ma Late/Upper Cretaceous |
Synonymy List
Year | Name and Author |
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1891 | Eleutherozoa Bell |
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!