BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems
Hemicystitidae ✝
| Source Data |
| |||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rank | family (PBDB) | |||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Echinodermata : Edrioasteroidea : Hemicystitidae | |||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
| |||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
| |||||||||||||||||||||||||||||||||
| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 12 | |||||||||||||||||||||||||||||||||
| First Recorded Appearance | 479 - 466 Ma Ordovician | |||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 383 - 359 Ma Late/Upper Devonian | |||||||||||||||||||||||||||||||||
| Environment | marine (based on Echinodermata) | |||||||||||||||||||||||||||||||||
| Motility | stationary, attached, epibiont (based on Edrioasteroidea) | |||||||||||||||||||||||||||||||||
| Vision | limited (based on Edrioasteroidea) | |||||||||||||||||||||||||||||||||
| Diet | suspension feeder (based on Edrioasteroidea) | |||||||||||||||||||||||||||||||||
| 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) | G. Regnéll. 1966. Edrioasteroids. Treatise on invertebrate paleontology, R. C. Moore ed, part U, Echinodermata 3, 1, Geological society of America, Boulder, University of Kansas Press, Lawrence | |||||||||||||||||||||||||||||||||
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Anglidiscus ✝ genus | listed (PBDB) | ||||
| Bassleridiscus ✝ genus | listed (PBDB) | 1 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
| Carneyella ✝ genus | listed (PBDB) | 7 | 452 Ma Late/Upper Ordovician | 450 Ma Late/Upper Ordovician | |
| Cincinnatidiscus ✝ genus | listed (PBDB) | 4 | 461 Ma Middle Ordovician | 450 Ma Late/Upper Ordovician | |
| Cystaster ✝ genus | listed (PBDB) | 3 | 461 Ma Middle Ordovician | 452 Ma Late/Upper Ordovician | |
| Foerstediscus ✝ genus | listed (PBDB) | 4 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
| Hemicystites ✝ genus | listed (PBDB) | 29 | 479 Ma Early/Lower Ordovician | 433 Ma Silurian | |
| Lebetodiscus ✝ genus | listed (PBDB) | 1 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
| Lepidoconia ✝ genus | listed (PBDB) | ||||
| Timeischytes ✝ genus | listed (PBDB) | 1 | 383 Ma Late/Upper Devonian | 383 Ma Late/Upper Devonian |
Synonymy List
| Year | Name and Author |
|---|---|
| 1936 | Hemicystitidae Bassler |
| 1945 | Hemicystitidae Regnéll |
| 1966 | Hemicystitidae Regnéll |
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!
