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Cnemidiastrum ✝
Source Data |
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Rank | genus (PBDB) | |||||||||||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Porifera : Demospongea : Spirosclerophorida : Cnemidiastridae : Cnemidiastrum | |||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Opinions (PBDB) |
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Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 5 | |||||||||||||||||||||||||||||||||
First Recorded Appearance | 168 - 165 Ma Middle Jurassic | |||||||||||||||||||||||||||||||||
Last Recorded Appearance | 11.6 - 7.2 Ma Miocene | |||||||||||||||||||||||||||||||||
Environment | marine (based on Lithistida) | |||||||||||||||||||||||||||||||||
Motility | stationary, attached (based on Lithistida) | |||||||||||||||||||||||||||||||||
Diet | suspension feeder (based on Lithistida) | |||||||||||||||||||||||||||||||||
Taphonomy | silica (based on Lithistida) | |||||||||||||||||||||||||||||||||
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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Cnemidiastrum almeriae ✝ species | listed (PBDB) | 4 | 11.6 Ma Miocene | 11.6 Ma Miocene | |
Cnemidiastrum pluristellatum ✝ species | listed (PBDB) | 5 | 161 Ma Jurassic | 156 Ma Jurassic | |
Cnemidiastrum reticulatus ✝ species | listed (PBDB) | 1 | 125 Ma Early/Lower Cretaceous | 125 Ma Early/Lower Cretaceous | |
Cnemidiastrum stellatum ✝ species | listed (PBDB) | 67 | 168 Ma Middle Jurassic | 156 Ma Jurassic |
Synonymy List
Year | Name and Author |
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1878 | Cnemidiastrum Zittel |
1937 | Lithostrobilus Schrammen |
2002 | Cnemidiastrum Sepkoski, Jr. |
2004 | Cnemidiastrum Finks et al. p. 291 |
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!