ammonites
Petromantis kamensis Martynov 1928 (winged insect)

Insecta - Dicondylia - Permochoristidae

Full reference: A. V. Martynov. 1928. Permian fossil Insects of North-East Europe. Travaux du Musée Géologique prés l'Académie des Scienses de l'URSS 4:1-118

Belongs to Petromantis according to A. V. Martynov 1928

Sister taxa: Petromantis borealis, Petromantis evansi, Petromantis grandiloqua, Petromantis grandis, Petromantis kaltanica, Petromantis karpenkoae, Petromantis latimargo, Petromantis major, Petromantis nana, Petromantis opinabilis, Petromantis oreshnikovae, Petromantis punctata, Petromantis rieki, Petromantis robusta, Petromantis rossica, Petromantis sarbalensis, Petromantis sibirica, Petromantis sylvaensis, Petromantis udmurtica, Petromantis unicolor

Type specimen: PIN 2065/89, a forewing (forewing without anal region). Its type locality is Tikhie Gory (PIN collection 2065), which is in a Roadian lagoonal claystone in the Baitugan Formation of the Russian Federation.

Ecology:

Average measurements (in mm): forewing 8.00 x 3.20