Cephalopoda - Ceratitida - Proptychitidae
Parent taxon: Meekoceratoidea according to Y. Shigeta and H. D. Nguyen 2014
See also Ehiro et al. 2016, Kummel 1969, Shigeta and Zakharov 2009, Spath 1934, Tozer 1994 and Zakharov and Moussavi Abnavi 2013
Sister taxa: Albanitidae, Arctoceratidae, Dieneroceratidae, Inyoitidae, Melagathiceratidae, Mullericeratidae, Prionitidae
Subtaxa: Arctomeekoceras Bukkenites Clypeoceras Clypeoceratoides Dunedinites Eoptychites Evenites Guodunites Gyrophiceras hubeiense Gyrophiceras orientale Heibergites Hubeitoceras Jieshaniceras Koninckitoides Koninickites Kummelia Leyeceras Monneticeras Nanningites Pachyproptychites Paraspidites Pleurogyronites Prionolobus Proptychites Proptychitinae Proptychitoides Pseudaspidites Pseudoproptychites Roopnarinites Tompoproptychites Tulongites Ussuriceras Wailiceras Xiaoqiaoceras
Type: Proptychites
Ecology: nektonic carnivore
Distribution:
• Triassic of Afghanistan (2 collections), Albania (2), Canada (47: British Columbia, Nunavut), China (122), Croatia (1), Greece (3), Greenland (28), India (42), Indonesia (8), Iran (2), Japan (2), Madagascar (2), Nepal (1), Oman (23), Pakistan (51), Romania (2), the Russian Federation (72), Svalbard and Jan Mayen (4), United States (37: Alaska, California, Idaho, Nevada, Utah), Vietnam (11)
• Permian of Iran (1)
Total: 463 collections including 595 occurrences