ammonites
Gondwanoperlidium mendozensis Pinto and Purper 1978 (stonefly)

Insecta - Plecoptera - Gripopterygidae

Belongs to Gondwanoperlidium according to R. G. Martins-Neto et al. 2003

Sister taxa: Gondwanoperlidium argentinarum, Gondwanoperlidium triassicum

Type specimen: CORD-PZ 336. Its type locality is Puesto Miguez, which is in a Carnian fluvial-lacustrine shale/claystone in the Potrerillos Formation of Argentina.

Ecology: volant detritivore-omnivore

Average measurements (in mm): forewing 37.0 x 9.0