ammonites
Sciara protoberidis Cockerell 1915 (dark-winged fungus gnat)

Insecta - Diptera - Sciaridae

Full reference: T. D. A. Cockerell. 1915. British fossil insects. Proceedings of the United States National Museum 49:469-499

Belongs to Sciara according to T. D. A. Cockerell 1915

Sister taxa: Sciara acuminata, Sciara atropha, Sciara brevipetiola, Sciara burmitina, Sciara defectuosa, Sciara deperdita, Sciara difficilis, Sciara dormitans, Sciara electriphila, Sciara flichei, Sciara florissantensis, Sciara gurnetensis, Sciara ignorata, Sciara inflata, Sciara lacoei, Sciara martii, Sciara minuscula, Sciara oblonga, Sciara protogaea, Sciara rara, Sciara requieta, Sciara saportana, Sciara schremmeri, Sciara scopuli, Sciara sepulta, Sciara sopora, Sciara splendida, Sciara villosoides

Type specimen: USNM 61437, an exoskeleton. Its type locality is Bembridge Marls (Brodie & A'Court Smith coll), which is in a Priabonian wet floodplain lime mudstone in the Bouldnor Formation of the United Kingdom.

Ecology:

Average measurements (in mm): body length 2.20, wing length 2.00