species

Steirodon (Posidippus) majus Gorochov, 2025

Posidippus validus Saussure & Pictet, 1898: 373. (homonym)
Holotype; female; ff09aaa3-3b7a-4272-b1a3-ae846bb12654; deposited at: Natural History Museum, London (NHMUK); Nicaragua: Chontales
Posidippus validus Saussure & Pictet, 1898 (secondary homonym of Steirodon validum Stål, 1874)
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Steirodon (Posidippus) major Gorochov, 2025: 23.
Holotype; female; ff09aaa3-3b7a-4272-b1a3-ae846bb12654; deposited at: Natural History Museum, London (NHMUK); Nicaragua: Chontales
Posidippus validus Saussure & Pictet, 1898 (replaced by Steirodon (Posidippus) major Gorochov, 2025) in Gorochov, 2025: 23.

Brunner von Wattenwyl, C. (1878) In Monographie der Phaneropteriden. K. K. Zoologisch-Botanische Gesellschaft in Wien, Wien. 1–401, pl. 1–8. Available at http://www.biodiversitylibrary.org/item/37136#page/7/mode/1up
de Saussure, H. & Pictet, A. (1898) Insecta Orthoptera (Orthoptera Genuina). Fam. Locustidae. Biologia Centrali-Americana, 1, 345–456. Available at http://www.sil.si.edu/digitalcollections/bca/navigation/bca_20_01_00/bca_20_01_00select.cfm
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Rehn, J.A.G. (1944) Critical notes on and descriptions of American steirodont katydids (Orthoptera, Tettigoniidae, Phaneropterinae) Part I. Transactions of the American Entomological Society, 69, 159–169. [1943] Available at http://reader.library.cornell.edu/docviewer/digital?id=chla5077659_4279_003#page/21/mode/1up
Stål, C. (1874) In Recensio Orthopterorum. Revue critique des Orthoptères décrits par Linné, De Geer et Thunberg. Stockholm. Vol. 2, 121 pp. Available at http://books.google.com/books?id=nSxDAAAAYAAJ

Gender, form, and etymology

	Valid names
Rank	Extant	Fossil	Invalid	Total
species	1	0	2	3