Calycoceras
| Calycoceras Temporal range: Cretaceous
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_spinosa.JPG)
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| Calycoceras asiaticum spinosum, Late Cretaceous (Cenomanian) from Madagascar, abt. 94 Mya | |
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| Genus: | Calycoceras Hyatt, 1900
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Calycoceras is an extinct cephalopod genus belonging to the subclass Ammonoidea and family Acanthoceratidae that lived during the Cenomanian stage of the Late Cretaceous, 100-94 Mya. [1] Their shells had ornate ribs. [2]
Species
- Calycoceras annulatum Collignon 1964
- Calycoceras asiaticum (Jimbo, 1894)[3]
- Calycoceras besairieri Collignon 1937
- Calycoceras boreale Kennedy, Cobban & Landman 1996 [4]
- Calycoceras dromense (Thomel, 1972) [5]
- Calycoceras cenomanense (d’Archiac)
- Calycoceras navicularis Mantell 1822
- Calycoceras orientale Matsumoto, Saito & Fukada [6]
- Calycoceras paucinodatum (Crick) [7]
Distribution
Calycoceras species may be found in the Cretaceous of Angola, Antarctica, Canada (British Columbia), France, Germany, Japan, Nigeria, Oman, Russia, the United Kingdom, United States (Alaska, Arizona, Kansas, New Mexico, South Dakota, Utah) [8]
References
- ^ Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopodes
- ^ Ammonites
- ^ William James Kennedy, Herbert Christian Klinger (2010) Cretaceous faunas from Zululand and Natal, South Africa. The ammonite subfamily Acanthoceratinae de Grossouvre, 1894
- ^ Global Names Index
- ^ AMNH
- ^ UMUT
- ^ Smithsonian Institutions
- ^ a b The Paleobiology Database
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