†Cydnus tertiarius Heer 1853 (burrowing bug)
Insecta - Hemiptera - Cydnidae
Alternative combination: Cydnopsis tertiaria
Full reference: O. Heer. 1853. Die Insektenfauna der Tertiärgebilde von Oeningen und von Radoboj in Croatien. Dritte Theil: Rhynchoten 1-138
Belongs to Cydnus according to N. Theobald 1937
Sister taxa: Cydnus acriscutatus, Cydnus archaicus, Cydnus armiger, Cydnus atavinus, Cydnus brevicollis, Cydnus brevicrassus, Cydnus cinctus, Cydnus cristatus, Cydnus dignus, Cydnus haidingeri, Cydnus heeri, Cydnus maximus, Cydnus meunieri, Cydnus oeningensis, Cydnus parvus, Cydnus pygmaeus, Cydnus sagittifer, Cydnus solutus
Ecology:
Average measurements (in mm): body 6.80 x 4.00