ammonites
Petromantis oreshnikovae Martynova 1961 (winged insect)

Insecta - Dicondylia - Permochoristidae

Full reference: O. M. Martynova. 1961. Neuropteroidea, Mecopteroidea, Trichoptera in Paleozoiskie nasekomye kuznetskogo basseina [Paleozoic insects of the Kuznetsk basin]. Trudy Paleontologicheskogo Instituta 85:469-593

Belongs to Petromantis according to O. M. Martynova 1961

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

Type specimen: PIN 600/225, a forewing. Its type locality is Kaltan, outcrop 1300, bed 7 (PIN collection 600), which is in a Roadian terrestrial siliciclastic in the Mitina Formation of the Russian Federation.

Ecology:

Average measurements (in mm): forewing 5.25 x 2.00