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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Lepidosauromorpha
Superordo: Lepidosauria
Ordo: Squamata
Subordo: Serpentes
Infraordo: Caenophidia
Superfamilia: Colubroidea

Familia: Colubridae
Subfamilia: Colubrinae
Genus: Phrynonax
Species (3): P. poecilonotus – P. polylepis – P. shropshirei
Name

Phrynonax Cope, 1962
References
Links

Uetz, P. & Hallermann, J. 2021. Phrynonax . The Reptile Database. Accessed on 27 June 2021.

Phrynonax is a genus of snakes in the family Colubridae. The genus is endemic to the New World

Geographic range

Species in the genus Phrynonax are found in South America, Central America, and Mexico.[1]
Species

Three species are recognized as being valid.[1]

Phrynonax poecilonotus (Günther, 1858)
Phrynonax polylepis (W. Peters, 1867)
Phrynonax shropshirei Barbour & Amaral, 1924

Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Phrynonax.
Etymology

The specific name, shropshirei, is in honor of James B. Shropshire, "Chief Sanitary Inspector, U.S. Army, Canal Zone", who collected the paratype.[2][3]
References

Genus Phrynonax at The Reptile Database.
Barbour T, Amaral A (1924). "Notes on some Central American snakes". Occ. Pap. Boston Soc. Nat. Hist. 5: 129-132. (Phrynonax shropshirei, new species, p. 131).

Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Pseustes shropshirei, p. 243).

Further reading

Cope ED (1862). "Catalogues of the REPTILES obtained during the Exploration of the Parana, Paraquay, Vermejo and Uruguay [sic] Rivers, by Capt. Thos. J. Page, U. S. N.; and of those procured by Lieut. N. Michler, U. S. Top. Eng., Commander of the Expedition conducting the Survey of the Atrato River ". Proc. Acad. Nat. Sci. Philadelphia 14: 346-359 + errata and addenda on p. 594. (Phrynonax, new genus, p. 348).

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