Insecta - Orthoptera - Geraridae

Synonym: Genentomum carri Cockerell 1917

Full reference: S. H. Scudder. 1885. Palaeodictyoptera; or the affinities and classification of Paleozoic Hexapoda. Memoirs of the Boston Society of Natural History 3(11):319-351

Belongs to Genentomum according to L. Burnham 1983

Sister taxon: Genentomum subacutum

Type specimens:

• Genentomum validum: Its type locality is Mazon Creek, USNM Lacoe Collection, which is in a Westphalian D interdistributary bay mudstone in the Carbondale Formation of Illinois
• Genentomum carri:

Ecology:

Average measurements (in mm): wing 45.0 x 14.0