Chaotianoceras modestum Zhao and Liang 1974 (ceratite)

Cephalopoda - Ceratitida - Pseudotirolitidae

Alternative combination: Pseudotirolites modestus

Full reference: J. K. Zhao and X. K. Liang. 1974. Permian ammonoids. Handbook of the Stratigraphy and Paleontology of Southwest China 303-307

Belongs to Chaotianoceras according to H. B. Sheng 1989

See also Leonova 2002, Zhao and Liang 1974 and Zhao et al. 1978

Sister taxa: Chaotianoceras densistriatum, Chaotianoceras maoertangense, Chaotianoceras minutum, Chaotianoceras nodosum, Chaotianoceras obliquum

Type specimen: NIGP 14950. Its type locality is Mingyuexia, north limb of anticline, Chaotian Mb, Chaotian, Guangyuan County, which is in a Changhsingian deep-water mudstone in the Dalong Formation of China.

Ecology: nektonic carnivore

Average measurements (in mm): shell diameter 49.5

Distribution:

• Permian of China (3 collections)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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