ammonites
Chironomus obsoletus Heer 1849 (non biting midge)

Insecta - Diptera - Chironomidae

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 Chironomus according to O. Heer 1849

Sister taxa: Chironomus abietarius, Chironomus aquisextanus, Chironomus caliginosus, Chironomus depletus, Chironomus elegantulus, Chironomus inglorius, Chironomus lacunus, Chironomus lacus, Chironomus meticulosus, Chironomus meyeri, Chironomus oeningensis, Chironomus paludosus, Chironomus patens, Chironomus pausatus, Chironomus primaevus, Chironomus pristinus, Chironomus proterus, Chironomus requiescens, Chironomus scudderiellus, Chironomus septus, Chironomus sepultus, Chironomus sepultus, Chironomus serresi, Chironomus subobscurus, Chironomus tenebricosus, Chironomus tenebrosus, Chironomus uliginosus, Chironomus umbraticus, Chironomus umbrosus, Chironomus vagabundus, Chironomus venerabilis

Type specimen: Its type locality is Oeningen (Carlsruhe collection), which is in a Sarmatian lacustrine - large limestone in the Upper Freshwater-Molasse Formation of Germany

Ecology:

Average measurements (in mm): body length 4.50