†Steropoides parthenope Heer 1849
Alternative combination: Agrion (Sterope) parthenope
Full reference: O. Heer. 1849. Die Insektenfauna der Tertiärgebilde von Oeningen und von Radoboj in Croatien. Zweiter Theil: Henschrecken, Florfliegen, Aderflügler, Schmetterlinge und Fliegen 1-264
Belongs to Steropoides according to A. Nel and J. C. Paicheler 1994
Sister taxa: none
Type specimen: Its type locality is Oeningen (Zurich collection), which is in a Sarmatian lacustrine - large limestone in the Upper Freshwater-Molasse Formation of Germany
Average measurements (in mm): body length 47.7, wing 35.5 x 7.9