Submortoniceras chicoense Trask 1856

Cephalopoda - Ammonitida - Collignoniceratidae

Alternative combinations: Ammonites chicoensis, Mortoniceras (Submortoniceras) chicoense, Schloenbachia chicoensis

Synonyms: Mortoniceras (Submortoniceras) buttense Anderson 1902, Mortoniceras (Submortoniceras) gabbi Anderson 1902, Mortoniceras (Submortoniceras) pentzanum Anderson 1958, Mortoniceras (Submortoniceras) randalli Anderson 1958, Mortoniceras (Submortoniceras) templetoni Hall and Ambrose 1916, Schloenbachia buttensis Anderson 1902, Schloenbachia gabbi Anderson 1902, Schloenbachia templetoni Hall and Ambrose 1916

Full reference: J. B. Trask. 1856. Description of a new species of ammonite and baculite, from the Tertiary rocks of Chico Creek. Proceedings of the California Academy of Natural Sciences 1:85-86

Belongs to Submortoniceras according to J. W. Haggart and P. D. Ward 1989

See also Anderson 1902, Anderson 1958, Gabb 1864, Matsumoto 1959, Taff et al. 1940 and Trask 1856

Sister taxa: Submortoniceras buttense, Submortoniceras punctatum, Submortoniceras studleyi, Submortoniceras uddeni, Submortoniceras vandaliaense, Submortoniceras woodsi

Average measurements (in mm): shell diameter 79.1

Distribution:

• Cretaceous of United States (11: California collections)

Total: 11 collections including 18 occurrences

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Specimen images are retrieved through the ePANDDA API.


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