Anagymnotoceras varium McLearn 1948

Cephalopoda - Ceratitida - Ceratitidae

Alternative combination: Gymnotoceras varium

Synonyms: Anagymnotoceras helle McLearn 1948, Gymnotoceras helle McLearn 1948

Belongs to Anagymnotoceras according to E. T. Tozer 1994

See also Konstantinov 1991 and McLearn 1969

Sister taxa: Anagymnotoceras columbianum, Anagymnotoceras dulanense, Anagymnotoceras favretense, Anagymnotoceras ino, Anagymnotoceras spivaki, Anagymnotoceras tozeri, Anagymnotoceras variabilis, Anagymnotoceras wrighti

Type specimens:

  • Anagymnotoceras varium: GSC 9595. Its type locality is GSC 10696, Alaska Highway, which is in a Bithynian marine siliciclastic in the Toad Formation of Canada.
  • Gymnotoceras helle: GSC 9593. Its type locality is GSC 10697, Cameron Hill, which is in a Bithynian marine siliciclastic in the Toad Formation of Canada.

Average measurements (in mm): shell diameter 41.2

Distribution:

• Triassic of Canada (8: British Columbia collections), the Russian Federation (1), Svalbard and Jan Mayen (2)

Total: 11 collections including 12 occurrences

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Specimen images are retrieved through the ePANDDA API.


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