Cephalopoda - Ceratitida - Ptychitidae
Full reference: Y. Bando. 1964. The Triassic stratigraphy and ammonite fauna of Japan. Science Reports of the Tohoku University. Second Series, Geology 36:1-137
Belongs to Ptychites according to Y. Bando 1964
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 gradinarui, Ptychites guloensis, Ptychites hamatus, Ptychites intermedius, Ptychites mahendra, Ptychites maximus, 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: IGPS 79176. Its type locality is Hamada, Shiogama City, Miyagi Prefecture (reitzi zone), which is in a Fassanian marine shale in the Rifu Formation of Japan.
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 180.0
Distribution: found only at Hamada, Shiogama City, Miyagi Prefecture (reitzi zone)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.