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Dawsonoceratidae ✝
| Description | Dawsonoceratidae is an extinct family of orthoconic nautiloid cephalopods that lived in what would be North America and Europe from the Late Ordovician through the Middle Devonian from about 480–390 mya, existing for approximately 90 million years. From Wikipedia article at https://en.wikipedia.org/wiki/Dawsonoceratidae, 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 : Dawsonoceratidae | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Mollusca : Cephalopoda : Orthocerida : Dawsonoceratidae | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Dawsonoceratidae | |||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 18 | |||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 479 - 464 Ma Ordovician | |||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 393 - 388 Ma Devonian | |||||||||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Orthocerida) | |||||||||||||||||||||||||||||||||||||||||||||
| Motility | actively mobile (based on Orthocerida) | |||||||||||||||||||||||||||||||||||||||||||||
| Vision | well-developed (based on Cephalopoda) | |||||||||||||||||||||||||||||||||||||||||||||
| Diet | carnivore (based on Orthocerida) | |||||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | aragonite (based on Orthocerida) | |||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | R. H. Flower. 1962. Part 1, Revision of Buttsoceras, Part 2, Notes on the Michelinoceratida. State Bureau of Mines and Mineral Resources, New Mexico Institute of Mining and Technology, Memoir 10:1-58 | |||||||||||||||||||||||||||||||||||||||||||||
| Wikipedia | https://en.wikipedia.org/wiki/Dawsonoceratidae |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Anaspyroceras ✝ genus | accepted (GBIF) listed (PBDB) | 28 | 479 Ma Early/Lower Ordovician | 411 Ma Early/Lower Devonian | |
| Calocyrtocerina ✝ genus | doubtful (GBIF) listed (PBDB) | 1 | 439 Ma Silurian | 439 Ma Silurian | |
| Dawsonoceras ✝ genus | accepted (GBIF) listed (PBDB) | 89 | 453 Ma Late/Upper Ordovician | 393 Ma Early/Lower Devonian | |
| Dawsonocerina ✝ genus | doubtful (GBIF) listed (PBDB) | 2 | 423 Ma Silurian | 411 Ma Early/Lower Devonian | |
| Metaspyroceras ✝ genus | doubtful (GBIF) listed (PBDB) | 39 | 461 Ma Middle Ordovician | 443 Ma Silurian | |
| Palaeodawsonocerina ✝ genus | accepted (GBIF) listed (PBDB) | 13 | 461 Ma Middle Ordovician | 450 Ma Late/Upper Ordovician |
Synonymy List
| Year | Name and Author |
|---|---|
| 1962 | Dawsonoceratidae Flower |
| 1964 | Dawsonoceratidae Teichert et al. p. 238 |
| 2007 | Dawsonoceratidae Kröger |
| 2008 | Dawsonoceratidae Kröger |
| 2011 | Dawsonoceratidae Kröger et al. |
| 2013 | Dawsonoceratidae Kröger |
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!
