Species

Melanoplus altitudinum (Scudder, 1878)

Nomenclature (11)

Pezotettix altitudinum Scudder, 1878: 86. (valid)
Holotype; male; 8d8bca33-705c-4eb1-ae8e-8bf02bd1dd3e; deposited at: Academy of Natural Sciences of Philadelphia (ANSP); United States: New Mexico: Taos: Sangre de Cristo Mountains, Taos Peak
Melanoplus altitudinum (Scudder, 1878) in Scudder, 1897: 236.
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Pezotettix altitudinum Scudder, 1878 (subjective synonym of Caloptenus [sic] dodgei Thomas, 1871) in Otte, 1995: 377.
Melanoplus altitudinum (Scudder, 1878) in Otte, 2012: 85.

Caudell, A.N. (1903) Notes on Orthoptera from Colorado, New Mexico, Arizona and Texas with descriptions of new species. Proceedings of the United States National Museum, 26, 775–809, Plate 55. Available at http://www.biodiversitylibrary.org/item/32571#page/903/mode/1up
Chopard, L. (1928) La faune des Orthoptères des montagnes des Etats-Unis et ses rapports avec la faune paléarctique. In Contribution à l'étude du peuplement des hautes montagnes. Societé de Biogéographie, Paris. Vol. 2, 142–149. Available at http://gallica.bnf.fr/ark:/12148/bpt6k64170790/f150.image
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Scudder, S.H. (1897) Revision of the Orthopteran group Melanopli (Acrididae) with special reference to North American forms. Proceedings of the United States National Museum, 20(1124), 1–421. Available at http://www.archive.org/details/revisionoforthop00scudrich
Scudder, S.H. (1900) Orthoptera. In Psyche, a Journal of Entomology. Vol. 9, Issue 295, pp. 124–125. Available at http://www.biodiversitylibrary.org/item/42922#page/138/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	1	0	1	2