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Frechiella ✝
| Description | Frechiella is an ammonite with a smooth, somewhat globose involute shell that lived during the later part of the Early Jurassic, which has been found in England and Italy. The shell is coiled so that the outer whorls cover most of the inner, leaving the inner whorls only slightly exposed. The outer rim, known as the venter, is broadly arched, with either a low narrow keel bordered by small grooves, or a large median groove. From Wikipedia article at https://en.wikipedia.org/wiki/Frechiella, which is released under the Creative Commons Attribution-Share-Alike License 3.0. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Source Data |
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| Rank | genus | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (GBIF) | Life : Animalia : Mollusca : Cephalopoda : Ammonoidea : Hildoceratidae : Frechiella | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Mollusca : Cephalopoda : Ammonitida : Hildoceratidae : Frechiella | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Frechiella Prinz, 1904 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Name Published In | N. Jahrb. Min. Geol. Palaeont., 1904, 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 8 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 183 - 182 Ma Early Jurassic | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 180 - 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) | J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wikipedia | https://en.wikipedia.org/wiki/Frechiella |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Frechiella achillei ✝ species | accepted (GBIF) listed (PBDB) | 1 | 182 Ma Early Jurassic | 182 Ma Early Jurassic | |
| Frechiella helenae ✝ species | accepted (GBIF) listed (PBDB) | ||||
| Frechiella kammerkarensis ✝ species | accepted (GBIF) listed (PBDB) | 15 | 182 Ma Early Jurassic | 182 Ma Early Jurassic | |
| Frechiella octaviae ✝ species | accepted (GBIF) listed (PBDB) | ||||
| Frechiella subcarinata ✝ species | accepted (GBIF) listed (PBDB) | 11 | 182 Ma Early Jurassic | 180 Ma Early Jurassic | |
| Frechiella venantii ✝ species | accepted (GBIF) listed (PBDB) | 4 | 182 Ma Early Jurassic | 182 Ma Early Jurassic |
Synonymy List
| Year | Name and Author |
|---|---|
| 1913 | Frechiella (Achilleia) Renz |
| 2002 | Frechiella Sepkoski, Jr. |
| 2013 | Frechiella Howarth p. 81 |
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!
