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Iowacystidae ✝
Source Data |
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Rank | family (PBDB) | |||||||||||||||||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Echinodermata : Soluta : Syringocrinida : Iowacystidae | |||||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Opinions (PBDB) |
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Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 5 | |||||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 470 - 458 Ma Middle Ordovician | |||||||||||||||||||||||||||||||||||||||
Last Recorded Appearance | 450 - 444 Ma Paleozoic | |||||||||||||||||||||||||||||||||||||||
Environment | marine (based on Echinodermata) | |||||||||||||||||||||||||||||||||||||||
Motility | stationary (based on Blastozoa) | |||||||||||||||||||||||||||||||||||||||
Diet | suspension feeder (based on Blastozoa) | |||||||||||||||||||||||||||||||||||||||
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) | B. Lefebvre and R. Lerosey-Aubril. 2018. Laurentian origin of solutan echinoderms: new evidence from the Guzhangian (Cambrian Series 3) Weeks Formation of Utah, USA. Geological Magazine 155(5):1190-1204 |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Belemnocystites ✝ genus | listed (PBDB) | ||||
Iowacystis ✝ genus | listed (PBDB) | 4 | 452 Ma Late/Upper Ordovician | 450 Ma Late/Upper Ordovician | |
Myeinocystites ✝ genus | listed (PBDB) | 12 | 470 Ma Middle Ordovician | 452 Ma Late/Upper Ordovician | |
Scalenocystites ✝ genus | listed (PBDB) | 5 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician |
Synonymy List
Year | Name and Author |
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1960 | Iowacystidae Gill and Caster |
1967 | Belemnocystitidae Caster |
2014 | Iowacystidae Noailles et al. p. 460 |
2018 | Iowacystidae Lefebvre and Lerosey-Aubril p. 1192 |
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!