Ptychites

Ptychites Temporal range: Triassic, 247.2 –235.0 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Fossil of Ptychites studeri from Bosnia, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ceratitida
Family:	Ptychitidae
Genus:	Ptychites Mojsisovics 1875

Ptychites is an extinct genus of cephalopods belonging to the family Ptychitidae. These nektonic carnivores lived during the Triassic period, from Anisian to Ladinian age.^[1]

Species[]

• Ptychites besnosovi Shevyrev 1995
• Ptychites densistriatus Bucher 1992
• Ptychites domatus Silberling and Tozer 1968
• Ptychites evansi Smith 1914
• Ptychites gradinarui Bucher 1992
• Ptychites guloensis Tozer 1994
• Ptychites hamatus Tozer 1994
• Ptychites miyagiensis Bando 1964
• Ptychites nipponicus Bando 1964
• Ptychites oppeli Mojsisovic 1882
• Ptychites opulentus Mojsisovics 1882
• Ptychites pseudoeuglyphus Konstantinov 1991
• Ptychites stachei Mojsisovics 1882
• Ptychites trochleaeformis Lindstroem 1865
• Ptychites wrighti McLearn 1946

Description[]

Species in this genus are quite variable in form, ranging from subglobose to laterally compressed. The surface of the shell is sculptured with low folds.^[2]

Distribution[]

Fossils of species within this genus have been found in the Triassic of Afghanistan, Austria, Canada, China, Hungary, Italy, Japan, Malaysia, Oman, Papua New Guinea, Russia, Tunisia, Turkey, United States.^[3]

References[]

• Mikko's Phylogeny Archive

This Ceratitida-related article is a stub. You can help Wikipedia by .

• v
• t