BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems
Acrioceratidae ✝
| Description | Acrioceratidae is a family of heteromorph ammonites included in the Ancyloceratoidea comprising ancyloceratid-like forms that start off with a coiled juvenile section, followed by a straight or curved shaft ending in a hook. Two described genera are included, Acrioceras and Dissimilites. From Wikipedia article at https://en.wikipedia.org/wiki/Acrioceratidae, which is released under the Creative Commons Attribution-Share-Alike License 3.0. | ||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Source Data |
| ||||||||||||||||||||||||||||||||||||||||||||||||
| Rank | family | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (GBIF) | Life : Animalia : Mollusca : Cephalopoda : Ammonoidea : Acrioceratidae | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Mollusca : Cephalopoda : Ammonitida : Acrioceratidae | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
| ||||||||||||||||||||||||||||||||||||||||||||||||
| Scientific Name | Acrioceratidae | ||||||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
| ||||||||||||||||||||||||||||||||||||||||||||||||
| Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 19 | ||||||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 133 - 129 Ma Early/Lower Cretaceous | ||||||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 113 - 101 Ma Early/Lower Cretaceous | ||||||||||||||||||||||||||||||||||||||||||||||||
| 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. Klein, R. Busnardo, and M. Company, G. Delanoy, M. Kakbadze, S. Reboulet, P. Ropol, Z. Vasicek, J. Vermeulen. 2007. Lower Cretaceous Ammonites III. Bochianitoidea, Protancyloceratoidea, Ancyloceratoidea, Ptychoceratoidea. Fossilium Catalogus I: Animalia 144:1-381 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Wikipedia | https://en.wikipedia.org/wiki/Acrioceratidae |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Brainaella ✝ genus | accepted (GBIF) listed (PBDB) | 1 | 122 Ma Early/Lower Cretaceous | 122 Ma Early/Lower Cretaceous | |
| Dissimilites ✝ genus | accepted (GBIF) listed (PBDB) | 28 | 133 Ma Early/Lower Cretaceous | 129 Ma Early/Lower Cretaceous | |
| Helicancylus ✝ genus | accepted (GBIF) listed (PBDB) | 10 | 122 Ma Early/Lower Cretaceous | 113 Ma Early/Lower Cretaceous | |
| Hoplocrioceras ✝ genus | accepted (GBIF) listed (PBDB) | 10 | 133 Ma Early/Lower Cretaceous | 129 Ma Early/Lower Cretaceous | |
| Toxoceratoides ✝ genus | accepted (GBIF) listed (PBDB) | 33 | 130 Ma Early/Lower Cretaceous | 122 Ma Early/Lower Cretaceous |
Synonymy List
| Year | Name and Author |
|---|---|
| 1894 | Helicancylinae Hyatt |
| 1986 | Helicancylinae Aguirre-Urreta p. 280 |
| 2004 | Acrioceratidae Vermeulen |
| 2007 | Acrioceratidae Klein et al. p. 94 |
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!
