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Coeloceratidae ✝
| Description | Coeloceratidae is a family of ammonites belonging to the Eoderoceratoidea that lived during the Early Jurassic. Shells are evolute, tending to be broadly discoidal with depressed whorls bearing primary and secondary ribs that branch from outer lateral tubercles. Most of the included species have coronate inner whorls and outer tubercles only. In general, Coeloceratids resemble the Middle Jurassic Stephanoceras. Once regarded as the subfamily Coeloceratinae in the Eoderoceratidae, these ammonites are now given familial rank. From Wikipedia article at https://en.wikipedia.org/wiki/Coeloceratidae, which is released under the Creative Commons Attribution-Share-Alike License 3.0. | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Source Data |
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| Rank | family | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (GBIF) | Life : Animalia : Mollusca : Cephalopoda : Ammonoidea : Coeloceratidae | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Mollusca : Cephalopoda : Ammonitida : Coeloceratidae | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Coeloceratidae | ||||||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 59 | ||||||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 201 - 190 Ma Early Jurassic | ||||||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 172 - 164 Ma Middle Jurassic | ||||||||||||||||||||||||||||||||||||||||||||||||
| Motility | fast-moving (based on Ammonoidea) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Vision | well-developed (based on Cephalopoda) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Diet | carnivore (based on Ammonoidea) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | aragonite (based on Ammonoidea) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | B. Geczy and C. Meister. 2007. Les ammonites du Sinémurien et du Pliensbachien inférieur de la montagne du Bakony (Hongrie). Revue de Paléobiologie 26(1):137-305 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Wikipedia | https://en.wikipedia.org/wiki/Coeloceratidae |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Coeloceratinae ✝ subfamily | listed (PBDB) | ||||
| Andicoeloceras ✝ genus | accepted (GBIF) listed (PBDB) | 14 | 190 Ma Early Jurassic | 190 Ma Early Jurassic | |
| Apoderoceras ✝ genus | accepted (GBIF) listed (PBDB) | 22 | 191 Ma Early Jurassic | 190 Ma Early Jurassic | |
| Bakonyceras ✝ genus | accepted (GBIF) listed (PBDB) | 8 | 197 Ma Early Jurassic | 190 Ma Early Jurassic | |
| Coeloceras ✝ genus | accepted (GBIF) listed (PBDB) | 14 | 201 Ma Early Jurassic | 172 Ma Middle Jurassic | |
| Meridiceras ✝ genus | accepted (GBIF) listed (PBDB) | 32 | 190 Ma Early Jurassic | 190 Ma Early Jurassic | |
| Miltoceras ✝ genus | accepted (GBIF) listed (PBDB) | 51 | 201 Ma Early Jurassic | 190 Ma Early Jurassic | |
| Pimelites ✝ genus | doubtful (GBIF) listed (PBDB) | ||||
| Praesphaeroceras ✝ genus | doubtful (GBIF) listed (PBDB) | ||||
| Pseudoskirroceras ✝ genus | accepted (GBIF) listed (PBDB) | 28 | 201 Ma Early Jurassic | 190 Ma Early Jurassic | |
| Tetraspidoceras ✝ genus | accepted (GBIF) listed (PBDB) | 15 | 197 Ma Early Jurassic | 190 Ma Early Jurassic | |
| Zamaiceras ✝ genus | accepted (GBIF) listed (PBDB) | 2 | 190 Ma Early Jurassic | 190 Ma Early Jurassic |
Obsolete Names
| Name | Source | Taxon Rank | Taxonomy |
|---|---|---|---|
| Pimelitidae | GBIF | family | Animalia : Mollusca : Cephalopoda : Ammonoidea : Pimelitidae |
Synonymy List
| Year | Name and Author |
|---|---|
| 1910 | Coeloceratidae Haug |
| 1998 | Coeloceratidae Blau p. 226 |
| 2006 | Coeloceratidae Hillebrandt p. 56 |
| 2007 | Coeloceratidae Geczy and Meister |
| 2007 | Coeloceratidae Sarih et al. p. 96 |
| 2012 | Coeloceratidae Meister et al. p. 410 |
| 2013 | Coeloceratidae Howarth p. 44 |
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!
