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Polymorphitinae ✝
| Source Data |
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| Rank | subfamily (PBDB) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Mollusca : Cephalopoda : Ammonitida : Polymorphitidae : Polymorphitinae | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 41 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 201 - 190 Ma Early Jurassic | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 187 - 174 Ma 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) | P. L. Smith and H. W. Tipper. 1996. Pliensbachian (Lower Jurassic) ammonites of the Queen Charlotte Islands, British Columbia. Bulletins of American Paleontology 108(348):1-122 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Gemmellaroceras ✝ genus | accepted (GBIF) listed (PBDB) | 51 | 201 Ma Early Jurassic | 187 Ma Early Jurassic | |
| Jamesonites ✝ genus | accepted (GBIF) listed (PBDB) | 3 | 190 Ma Early Jurassic | 190 Ma Early Jurassic | |
| Parinodiceras ✝ genus | accepted (GBIF) listed (PBDB) | 3 | 190 Ma Early Jurassic | 190 Ma Early Jurassic | |
| Platypleuroceras ✝ genus | accepted (GBIF) listed (PBDB) | 48 | 190 Ma Early Jurassic | 190 Ma Early Jurassic | |
| Polymorphites ✝ genus | accepted (GBIF) listed (PBDB) | 68 | 197 Ma Early Jurassic | 190 Ma Early Jurassic | |
| Uptonia ✝ genus | accepted (GBIF) listed (PBDB) | 104 | 197 Ma Early Jurassic | 190 Ma Early Jurassic |
Synonymy List
| Year | Name and Author |
|---|---|
| 1887 | Polymorphitinae Haug |
| 1992 | Polymorphitinae Thomson and Smith p. 15 |
| 1996 | Polymorphitinae Smith and Tipper p. 35 |
| 2007 | Furlitinae Venturi et al. p. 15 |
| 2013 | Polymorphitinae Howarth p. 52 |
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!
