Chondrichthyes - Ctenacanthiformes
Alternative combinations: Cosmacanthus humboldtenis, Cosmacanthus humboldtensis
Full reference: P. Davidson. 1919. A cestraciont spine from the Middle Triassic of Nevada. University of California Publications, Bulletin of the Department of Geology 11(4):433-435
Belongs to Pyknotylacanthus according to R. J. Mutter and H. Rieber 2005
See also Davidson 1919 and Jordan and Hanibal 1923
Sister taxon: Pyknotylacanthus spathianus
Type specimen: UCMP 9162, an osteoderm (fin spine). Its type locality is Straight Canyon, Humboldt Range, which is in an Anisian/Ladinian marine horizon in Nevada.
Ecology: nektonic carnivore
Distribution: found only at Straight Canyon, Humboldt Range
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.