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Apocrinoceratidae ✝
| Description | Apocrinoceratidae constitutes a family of Middle Ordovician nautiloid cephalopods characterized by straight or slightly curved, transversely ribbed shells having siphuncles composed of expanded segments, short recurved septal necks, and thick connecting rings. Derivation is from the Protocycloceratidae, a family of ellesmerocerids, which differ in having straight or concave siphuncle segments, but are otherwise similar in form. From Wikipedia article at https://en.wikipedia.org/wiki/Apocrinoceratidae, 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 : Apocrinoceratidae | |||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Mollusca : Cephalopoda : Discosorida : Apocrinoceratidae | |||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Apocrinoceratidae | |||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 10 | |||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 485 - 472 Ma Paleozoic | |||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 464 - 461 Ma Middle Ordovician | |||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Discosorida) | |||||||||||||||||||||||||||||||||||||||
| Motility | actively mobile (based on Discosorida) | |||||||||||||||||||||||||||||||||||||||
| Vision | well-developed (based on Cephalopoda) | |||||||||||||||||||||||||||||||||||||||
| Diet | carnivore (based on Cephalopoda) | |||||||||||||||||||||||||||||||||||||||
| Taphonomy | aragonite (based on Discosorida) | |||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | S. C. Hook and R. H. Flower. 1977. Late Canadian (Zones J, K) cephalopod faunas from Southwestern United States. New Mexico Bureau of Mines and Mineral Resources 32:1-56 | |||||||||||||||||||||||||||||||||||||||
| Wikipedia | https://en.wikipedia.org/wiki/Apocrinoceratidae |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Apocrinoceras ✝ genus | accepted (GBIF) listed (PBDB) | 1 | 485 Ma Cambrian | 485 Ma Cambrian | |
| Bakeroceras ✝ genus | accepted (GBIF) listed (PBDB) | ||||
| Destombesiceras ✝ genus | accepted (GBIF) listed (PBDB) | 3 | 478 Ma Early/Lower Ordovician | 478 Ma Early/Lower Ordovician | |
| Paldoceras ✝ genus | accepted (GBIF) listed (PBDB) | 3 | 472 Ma Early/Lower Ordovician | 464 Ma Middle Ordovician |
Synonymy List
| Year | Name and Author |
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| 1957 | Apocrinoceratidae Flower and Teichert p. 38 |
| 1977 | Apocrinoceratidae Hook and Flower |
| 2009 | Apocrinoceratidae Kröger et al. |
| 2011 | Apocrinoceratidae Evans |
| 2012 | Apocrinoceratidae Kröger and Lefebvre |
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!
