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Hexalasma ✝
Source Data |
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Rank | genus | ||||||||||||||||||||||||||||||||||||
Taxonomy (GBIF) | Life : Animalia : Cnidaria : Anthozoa : Polycoeliidae : Hexalasma | ||||||||||||||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Cnidaria : Anthozoa : Stauriida : Polycoeliidae : Hexalasma | ||||||||||||||||||||||||||||||||||||
Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Scientific Name | Hexalasma Soschkina, 1928 | ||||||||||||||||||||||||||||||||||||
Name Published In | Bull. Soc. Imp. Nat. Moscou, Sect. Géol., 36 | ||||||||||||||||||||||||||||||||||||
Opinions (PBDB) |
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Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 2 | ||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 290 - 279 Ma Permian | ||||||||||||||||||||||||||||||||||||
Last Recorded Appearance | 254 - 252 Ma Permian | ||||||||||||||||||||||||||||||||||||
Motility | stationary, attached (based on Rugosa) | ||||||||||||||||||||||||||||||||||||
Vision | blind (based on Anthozoa) | ||||||||||||||||||||||||||||||||||||
Diet | suspension feeder (based on Rugosa) | ||||||||||||||||||||||||||||||||||||
Taphonomy | low Mg calcite (based on Rugosa) | ||||||||||||||||||||||||||||||||||||
Primary Reference (PBDB) | J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560 |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Hexalasma antarcticum species | accepted (GBIF) | No associated record in PBDB | |||
Hexalasma protoseptatum ✝ species | accepted (GBIF) listed (PBDB) | 1 | 254 Ma Permian | 254 Ma Permian |
Obsolete Names
Name | Source | Taxon Rank | Taxonomy |
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Hexelasma Lang, Smith & Thomas, 1940 | GBIF | genus | Animalia : Cnidaria : Anthozoa : Polycoeliidae : Hexelasma |
Synonymy List
Year | Name and Author |
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1928 | Hexalasma Soshkina |
1981 | Hexalasma Hill |
2002 | Hexalasma Sepkoski, Jr. |
References
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!