Chondrichthyes - Synechodontiformes - Palaeospinacidae
Alternative combination: Cosmacanthus elegans
Full reference: H. M. Evans. 1904. A new cestraciont spine from the Lower Triassic of Idaho. University of California Publications, Bulletin of the Department of Geology 3(18):397-402
Belongs to Nemacanthus according to R. J. Mutter and H. Rieber 2005
See also Evans 1904 and Jordan and Hanibal 1923
Sister taxa: Nemacanthus bosnensis, Nemacanthus filifer, Nemacanthus minor, Nemacanthus monilifer, Nemacanthus speciosus
Type specimen: UCMP M9087, an osteoderm (fin spine). Its type locality is Paris Canyon, Bear Lake County, which is in a Smithian marine horizon in the Thaynes Formation of Idaho.
Ecology: nektonic carnivore
Distribution:
• Triassic of United States (2: Idaho collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.