Ptychites densistriatus Bucher 1992 (ceratite)

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 H. Bucher 1992

Sister taxa: Ptychites besnosovi, Ptychites cognatus, Ptychites cylindroides, Ptychites domatus, Ptychites dontianus, Ptychites durandii, Ptychites eusomus, Ptychites evansi, Ptychites everesti, Ptychites globus, Ptychites gradinarui, Ptychites guloensis, Ptychites hamatus, Ptychites intermedius, Ptychites mahendra, Ptychites maximus, Ptychites miyagiensis, Ptychites nipponicus, Ptychites noricus, Ptychites oppeli, Ptychites opulentus, Ptychites pseudoeuglyphus, Ptychites rugifer, Ptychites sahadeva, Ptychites stachei, Ptychites sumitra, Ptychites suttneri, Ptychites tibetanus, Ptychites trochleaeformis, Ptychites vidura, Ptychites wrighti

Type specimen: USNM 448261. Its type locality is Favret Canyon HB 161, Augusta Mountains, which is in a Pelsonian marine horizon in the Favret Formation of Nevada.

Ecology: nektonic carnivore

Average measurements (in mm): shell diameter 41.7

Distribution:

• Triassic of United States (4: Nevada collections)

Total: 4 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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