ammonites
Oviparosiphum baissensis Shaposhnikov and Wegierek 1989 (aphid)

Insecta - Hemiptera - Oviparosiphidae

Full reference: G. K. Shaposhnikov and P. Wegierek. 1989. New late Mesozoic aphids (Oviparosiphidae, Homoptera). Paleontological Journal 23(3):37-47

Belongs to Oviparosiphum according to G. K. Shaposhnikov and P. Wegierek 1989

Sister taxa: Oviparosiphum malacum, Oviparosiphum opimum

Type specimen: PIN 4210/2623, an exoskeleton. Its type locality is Baissa (PIN collection 4210, layer 4), which is in a Berriasian lacustrine - large siltstone/marl in the Zaza Formation of the Russian Federation.

Ecology:

Average measurements (in mm): body length 2.30, forewing 3.17 x 1.48