Cephalopoda - Ceratitida - Trachyceratidae
Full reference: J. P. Smith. 1927. Upper Triassic marine invertebrate faunas of North America. United States Geological Survey Professional Paper 141:1-262
Belongs to Trachyceras (Protrachyceras) according to J. P. Smith 1927
Sister taxa: Protrachyceras anatolicum, Protrachyceras archelaus, Protrachyceras cautleyi, Protrachyceras costulatum, Protrachyceras deprati, Protrachyceras guizhouense, Protrachyceras hispanicum, Protrachyceras ibericum, Protrachyceras irregulare, Protrachyceras ladinum, Protrachyceras lermani, Protrachyceras longobardicum, Protrachyceras margaritosum, Protrachyceras mutabile, Protrachyceras negevense, Protrachyceras parinaense, Protrachyceras pseudoarchelaus, Protrachyceras sikanianum, Protrachyceras sirenitiforme, Protrachyceras spitiense, Protrachyceras steinmanni, Protrachyceras wahrmani, Trachyceras (Protrachyceras) ralphuanum, Trachyceras (Protrachyceras) springeri
Type specimen: Its type locality is Brock Mountain, 3 miles east of Madison's ranch (Pit shale), which is in a Carnian marine shale in the Pit Formation of California
Ecology: nektonic carnivore
Distribution: found only at Brock Mountain, 3 miles east of Madison's ranch (Pit shale)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.