Cephalopoda - Ceratitida - Ptychitidae
Full reference: H. Bucher. 1992. Ammonoids of the Shoshonensis Zone (Middle Anisian, Middle Triassic) from northwestern Nevada (USA). Jahrbuch der Geologischen Bundesanstalt 135:425-465
Belongs to Ptychites according to E. A. Bischof and J. Lehmann 2020
See also Bucher 1992
Sister taxa: Ptychites besnosovi, Ptychites breunigi, Ptychites cognatus, Ptychites cultrata, Ptychites cylindroides, Ptychites densistriatus, Ptychites domatus, Ptychites dontianus, Ptychites durandii, Ptychites embreei, Ptychites eusomus, Ptychites evansi, Ptychites everesti, Ptychites evolvens, Ptychites gibbus, Ptychites globus, Ptychites guloensis, Ptychites hamatus, Ptychites intermedius, Ptychites mahendra, Ptychites maximus, Ptychites miyagiensis, Ptychites nipponicus, Ptychites noricus, Ptychites oppeli, Ptychites opulentus, Ptychites posthumus, Ptychites progressus, Ptychites pseudoeuglyphus, Ptychites rectangulatus, Ptychites reductus, Ptychites rugifer, Ptychites sahadeva, Ptychites stachei, Ptychites stoliczkai, Ptychites sumitra, Ptychites tibetanus, Ptychites trochleaeformis, Ptychites uhligi, Ptychites vidura, Ptychites wrighti
Type specimen: USNM 448264. Its type locality is Congress Canyon HB 37, which is in a Pelsonian marine horizon in Nevada.
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 41.1
Distribution:
• Triassic of United States (15: Nevada collections)
Total: 15 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.