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Iocrinidae ✝
| Source Data |
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| Rank | family | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (GBIF,PBDB) | Life : Animalia : Echinodermata : Crinoidea : Iocrinidae | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Iocrinidae | |||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 21 | |||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 478 - 468 Ma Ordovician | |||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 450 - 443 Ma Paleozoic | |||||||||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Echinodermata) | |||||||||||||||||||||||||||||||||||||||||||||
| Motility | stationary, attached (based on Disparida) | |||||||||||||||||||||||||||||||||||||||||||||
| Vision | blind (based on Crinoidea) | |||||||||||||||||||||||||||||||||||||||||||||
| Diet | suspension feeder (based on Disparida) | |||||||||||||||||||||||||||||||||||||||||||||
| 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) | S. K. Donovan. 1985. Ristnacrinus and the oldest myelodactylid from the Ashgill Boda Limestone of Sweden. Geologiska Föreningens i Stockholm Förhandlingar 106:347-356 |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Caleidocrinus ✝ genus | accepted (GBIF) listed (PBDB) | 3 | 466 Ma Middle Ordovician | 458 Ma Late/Upper Ordovician | |
| Grammocrinus ✝ genus | listed (PBDB) | 2 | 472 Ma Early/Lower Ordovician | 470 Ma Middle Ordovician | |
| Heviacrinus ✝ genus | accepted (GBIF) listed (PBDB) | 4 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
| Iocrinus ✝ genus | accepted (GBIF) listed (PBDB) | 74 | 470 Ma Middle Ordovician | 450 Ma Late/Upper Ordovician | |
| Muicrinus ✝ genus | listed (PBDB) | 1 | 478 Ma Early/Lower Ordovician | 478 Ma Early/Lower Ordovician | |
| Peltacrinus ✝ genus | accepted (GBIF) listed (PBDB) | 3 | 470 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
| Ristnacrinus ✝ genus | accepted (GBIF) listed (PBDB) | 54 | 461 Ma Middle Ordovician | 450 Ma Late/Upper Ordovician | |
| Schaldichocrinus ✝ genus | accepted (GBIF) listed (PBDB) | ||||
| Tornatilicrinus ✝ genus | accepted (GBIF) listed (PBDB) |
Synonymy List
| Year | Name and Author |
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| 1943 | Iocrinidae Moore and Laudon |
| 1998 | Iocrinidae Ausich p. 27 |
| 2015 | Iocrinidae Ausich et al. |
| 2016 | Iocrinidae Rozhnov p. 169 |
| 2018 | Iocrinidae 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!
