Species

† [Gryllus] troglodytes Heer, 1865 (Nomen dubium)

Nomenclature (7)

† Gryllus troglodytes Heer, 1865: 367, fig. 225. (fossil; nomen dubium)
Syntype; 8e59208c-7e4f-4cfa-b03b-168e95b034f4; Germany: Oeningen
† Gryllus troglodytes Heer, 1865 in Heer, 1883: 391, 392 (Fig. 266).
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Fruhstorfer, H. (1921) Die Orthopteren der Schweiz und der Nachbarländer auf geographischer sowie oekologischer Grundlage mit Berücksichtigung der fossilen Arten. Archiv für Naturgeschichte, 87(5), 1–262. Available at http://www.biodiversitylibrary.org/item/47507#page/5/mode/1up
Handlirsch, A.P.J. (1907) 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
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Scudder, S.H. (1886) Systematic review of our present knowledge of fossil insects, including myriapods and arachnids. Bulletin of the United States Geological Survey, 31, 1–128. Available at http://books.google.com/books?id=mrkoAAAAYAAJ
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	1	2