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Heterocrinidae ✝
Source Data |
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Rank | family | |||||||||||||||||||||||||||||||||||||||||||||
Taxonomy (GBIF,PBDB) | Life : Animalia : Echinodermata : Crinoidea : Heterocrinidae | |||||||||||||||||||||||||||||||||||||||||||||
Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Scientific Name | Heterocrinidae | |||||||||||||||||||||||||||||||||||||||||||||
Opinions (PBDB) |
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Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 12 | |||||||||||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 470 - 458 Ma Middle Ordovician | |||||||||||||||||||||||||||||||||||||||||||||
Last Recorded Appearance | 452 - 444 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) | E. O. Ulrich. 1925. New classification of the "Heterocrinidae". Canada Geological Survey, Memoir 138:82-106 |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Atyphocrinus ✝ genus | accepted (GBIF) listed (PBDB) | ||||
Columbicrinus ✝ genus | accepted (GBIF) listed (PBDB) | 2 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
Dystactocrinus ✝ genus | accepted (GBIF) listed (PBDB) | 1 | 452 Ma Late/Upper Ordovician | 452 Ma Late/Upper Ordovician | |
Heterocrinus ✝ genus | accepted (GBIF) listed (PBDB) | 23 | 470 Ma Middle Ordovician | 452 Ma Late/Upper Ordovician | |
Isotomocrinus ✝ genus | accepted (GBIF) listed (PBDB) | 7 | 472 Ma Early/Lower Ordovician | 461 Ma Middle Ordovician | |
Ohiocrinus ✝ genus | accepted (GBIF) listed (PBDB) | 5 | 452 Ma Late/Upper Ordovician | 452 Ma Late/Upper Ordovician |
Synonymy List
Year | Name and Author |
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1879 | Heterocrinidae Zittel |
1925 | Heterocrinidae Ulrich |
1981 | Heterocrinidae Parsley |
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!
Ontario, Canada