†Arctoarpadites costatus Tozer 1961
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Cephalopoda - Ceratitida - Trachyceratidae
Alternative combination: Sirenites costatus
Belongs to Arctoarpadites according to E. T. Tozer 1994
Sister taxa: none
Type specimen: GSC 14143. Its type locality is GSC 28454, Buchanan Lake, Axel Heiberg Island, which is in a Tuvalian marine siliciclastic in the Blaa Mountain Formation of Canada.
Average measurements (in mm): shell diameter 45.7
Distribution: found only at GSC 28454, Buchanan Lake, Axel Heiberg Island
Specimen images are retrieved through the ePANDDA API.
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