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Cyclolobidae ✝
| Description | Cyclolobidae: Goniatitid Ammonoidea belonging to the Cycloloboidea with thickly discoidal to subgloblar shells with a small but open unbilicus and ammonitic sutures with numerous lobes that have subparallel sides. From Wikipedia article at https://en.wikipedia.org/wiki/Cyclolobidae, 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 : Ammonoidea : Cyclolobidae | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Mollusca : Cephalopoda : Goniatitida : Cyclolobidae | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Cyclolobidae | ||||||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 73 | ||||||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 272 - 269 Ma Permian | ||||||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 254 - 252 Ma Permian | ||||||||||||||||||||||||||||||||||||||||||||||||
| Motility | fast-moving (based on Ammonoidea) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Vision | well-developed (based on Cephalopoda) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Diet | carnivore (based on Ammonoidea) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | aragonite (based on Goniatitida) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | D. Korn. 2006. Paleozoic ammonoid classification. | ||||||||||||||||||||||||||||||||||||||||||||||||
| Wikipedia | https://en.wikipedia.org/wiki/Cyclolobidae |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Cyclolobinae ✝ subfamily | listed (PBDB) | 137 | 272 Ma Permian | 254 Ma Permian | |
| Kufengoceratinae ✝ subfamily | listed (PBDB) | 67 | 272 Ma Permian | 259 Ma Permian | |
| Changhsingoceras ✝ genus | accepted (GBIF) listed (PBDB) | 17 | 254 Ma Permian | 254 Ma Permian | |
| Cyclolobus ✝ genus | accepted (GBIF) listed (PBDB) | 27 | 260 Ma Permian | 254 Ma Permian | |
| Demarezites ✝ genus | accepted (GBIF) listed (PBDB) | 9 | 272 Ma Permian | 265 Ma Permian | |
| Guiyangoceras ✝ genus | accepted (GBIF) listed (PBDB) | 3 | 272 Ma Permian | 272 Ma Permian | |
| Kufengoceras ✝ genus | accepted (GBIF) listed (PBDB) | 8 | 265 Ma Permian | 260 Ma Permian | |
| Kurdiceras ✝ genus | accepted (GBIF) listed (PBDB) | 1 | 269 Ma Permian | 269 Ma Permian | |
| Liuzhouceras ✝ genus | accepted (GBIF) listed (PBDB) | 1 | 265 Ma Permian | 265 Ma Permian | |
| Mexicoceras ✝ genus | accepted (GBIF) listed (PBDB) | 42 | 272 Ma Permian | 265 Ma Permian | |
| Newellites ✝ genus | accepted (GBIF) listed (PBDB) | 1 | 269 Ma Permian | 269 Ma Permian | |
| Paratongluceras ✝ genus | accepted (GBIF) listed (PBDB) | 3 | 269 Ma Permian | 269 Ma Permian | |
| Shengoceras ✝ genus | accepted (GBIF) listed (PBDB) | 2 | 265 Ma Permian | 265 Ma Permian | |
| Timorites ✝ genus | accepted (GBIF) listed (PBDB) | 22 | 269 Ma Permian | 260 Ma Permian | |
| Tongluceras ✝ genus | accepted (GBIF) listed (PBDB) | 7 | 272 Ma Permian | 269 Ma Permian | |
| Waagenoceras ✝ genus | accepted (GBIF) listed (PBDB) | 60 | 272 Ma Permian | 265 Ma Permian |
Synonymy List
| Year | Name and Author |
|---|---|
| 1895 | Cyclolobidae Zittel |
| 1990 | Cyclolobidae Bogoslovskaya p. 73 |
| 2006 | Cyclolobidae Korn |
| 2009 | Cyclolobidae Furnish et al. p. 150 |
| 2017 | Cyclolobidae Zhou p. 64 |
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!
