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Dimerocrinitidae ✝
| Source Data |
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| Rank | family | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (GBIF) | Life : Animalia : Echinodermata : Crinoidea : Dimerocrinitidae | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Echinodermata : Crinoidea : Diplobathrida : Dimerocrinitidae | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Dimerocrinitidae | ||||||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 21 | ||||||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 461 - 450 Ma Ordovician | ||||||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 419 - 411 Ma Early/Lower Devonian | ||||||||||||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Echinodermata) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Motility | stationary, attached (based on Diplobathrida) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Vision | blind (based on Crinoidea) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Diet | suspension feeder (based on Diplobathrida) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Reproduction | dispersal=water,planktonic (based on Echinodermata) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Ontogeny | accretion,addition of parts (based on Echinodermata) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | high Mg calcite (based on Crinoidea) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | G. D. Webster, J. Waters, and X. Q. Chen. 2009. Revision of the Chen and Yao Devonian to Permian crinoids from Western Yunnan. Paleobiodiversity and Paleoenvironments 89 |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Allozygocrinus ✝ genus | accepted (GBIF) listed (PBDB) | 3 | 439 Ma Silurian | 439 Ma Silurian | |
| Becsciecrinus ✝ genus | accepted (GBIF) listed (PBDB) | 3 | 443 Ma Silurian | 441 Ma Silurian | |
| Cybelecrinus ✝ genus | accepted (GBIF) listed (PBDB) | 4 | 441 Ma Silurian | 439 Ma Silurian | |
| Dimerocrinites ✝ genus | accepted (GBIF) listed (PBDB) | 84 | 443 Ma Silurian | 419 Ma Early/Lower Devonian | |
| Dimerocrinus genus | accepted (GBIF) | No associated record in PBDB | |||
| Eodimerocrinites ✝ genus | listed (PBDB) | 1 | 453 Ma Late/Upper Ordovician | 453 Ma Late/Upper Ordovician | |
| Eudimerocrinus ✝ genus | accepted (GBIF) listed (PBDB) | 4 | 419 Ma Early/Lower Devonian | 419 Ma Early/Lower Devonian | |
| Euptychocrinus ✝ genus | doubtful (GBIF) listed (PBDB) | 1 | 453 Ma Late/Upper Ordovician | 453 Ma Late/Upper Ordovician | |
| Oepikicrinus ✝ genus | listed (PBDB) | 3 | 441 Ma Silurian | 441 Ma Silurian | |
| Ptychocrinus ✝ genus | accepted (GBIF) listed (PBDB) | 19 | 461 Ma Middle Ordovician | 443 Ma Silurian | |
| Shidianocrinus ✝ genus | doubtful (GBIF) listed (PBDB) | ||||
| Thysanocrinus genus | accepted (GBIF) | No associated record in PBDB | |||
Synonymy List
| Year | Name and Author |
|---|---|
| 1879 | Dimerocrinitidae von Zittel |
| 1998 | Dimerocrinitidae Ausich p. 24 |
| 2010 | Dimerocrinitidae Ausich and Copper p. 16 |
| 2019 | Dimerocrinitidae Ausich and Cournoyer |
| 2019 | Dimerocrinitidae Ausich et al. |
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!
