Cephalopoda - Ceratitida - Proptychitidae
Parent taxon: Proptychitidae according to M. Ehiro et al. 2016
See also Nakazawa and Bando 1968 and Tozer 1981
Sister taxa: 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, Proptychitoides, Pseudaspidites, Pseudoproptychites, Roopnarinites, Tompoproptychites, Tulongites, Ussuriceras, Wailiceras, Xiaoqiaoceras
Subtaxa: Boreomeekoceras Collignonites Paranoritoides Pseudokymatites
Ecology: nektonic carnivore
Distribution:
• Triassic of China (1 collection), Croatia (1), Madagascar (1), Pakistan (2), the Russian Federation (15), Svalbard and Jan Mayen (1)
Total: 21 collections including 23 occurrences