species

† Gomphocerus (Gomphocerus) abstrusus Scudder, 1890 (Nomen dubium)

Nomenclature (3)

† Gomphocerus abstrusus Scudder, 1890: 223, t. 17 f. 6. (fossil; nomen dubium)
Syntype; f2a7d482-6636-4925-9194-5a3e8acb1778; United States: Colorado: Florissant
† Gomphocerus abstrusus Scudder, 1890 in Scudder, 1891: 309.

Handlirsch, A.P.J. (1907) In Die fossilen Insekten und die Phylogenie der rezenten Formen. Ein Handbuch für Paläontologen und Zoologen. Engelmann, Leipzig. Vol. 1, Issue 5, 641–800, pls. 37–45. Available at http://www.biodiversitylibrary.org/item/87998
Scudder, S.H. (1890) The Tertiary insects of North America. In Report of the United States Geological Survey of the Territories. Invertebrate Paleontology. Vol. 13, 734 pp. [in English] Available at http://www.biodiversitylibrary.org/item/18434#page/11/mode/1up

Scudder, S.H. (1891) Index to the known fossil insects of the world including myriapods and arachnids. Bulletin of the United States Geological Survey, 71, 1–744. Available at http://www.biodiversitylibrary.org/item/79439#page/13/mode/1up

Summary of taxonomic names by rank, showing valid extant names, fossil names, invalid names, and total counts.
Taxon	Valid names
Rank	Extant	Fossil	Invalid	Total
species	0	1	0	1