White-lipped mud turtle
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Family:	Kinosternidae
Genus:	Kinosternon
Species:	K. leucostomum
Binomial name
Kinosternon leucostomum (A.M.C. Duméril & Bibron, 1851)
Synonyms[1]
Kinosternon leucostomum leucostomum Cinosternon leucostomum A.M.C. Duméril & Bibron, 1851 Kinosternum leucostomum — LeConte, 1854 Kinosternon leucostomum — Gray, 1856 Cinosternum leucostomum — Agassiz, 1857 Thyrosternum leucostomum — Agassiz, 1857 Swanka maculata Gray, 1869 Swanka leucostoma — Gray, 1870 Cinosternum brevigulare Günter, 1885 Cinosternum cobanum Günter, 1885 Cinosternon cobanum — Atkinson, 1907 Kinsternon leucostomum — Stuart, 1934 Kinosternon mopanum Neill, 1965 Kinosternon leucostoma — Tryon, 1975 Kinosternon leucostomum leucostomum — Berry, 1979 Kinosternon leucostomum postinguinale Cinosternum brevigulare Cope, 1885 Cinosternum postinguinale Cope, 1887 (nomen novum) Cinosternon brevigulare — Atkinson, 1907 Cinosternum spurrelli Boulenger, 1913 Kinosternon postinguinale — Schmidt, 1946 Kinosternon spurelli [sic] Schmidt, 1946 (ex errore) Kinosternon spurrelli — Mertens & Wermuth, 1955 Kinosternon postinguinal [sic] Legler, 1965 (ex errore) Kinosternon leucostomum spurrelli — Pritchard, 1979 Kinosternon leucostomum postinguinale — Berry, 1979 Kinosternon leucostomum spurelli — Rudloff, 1990 Kinosternon leucostomum postinguinde [sic] Nöllert, 1992 (ex errore)

The white-lipped mud turtle (Kinosternon leucostomum) is a species of mud turtle in the family Kinosternidae. The species is endemic to Central America and northwestern South America.

Kinosternon leucostomum is found in Mexico, Belize, Costa Rica, Guatemala, Honduras, Nicaragua, Panama, Colombia, Ecuador, and Peru.^[2]

• Northern white-lipped mud turtle – K. l. leucostomum (A.M.C. Duméril & Bibron, 1851)
• Southern white-lipped mud turtle – K. l. postinguinale (Cope, 1887)

Nota bene: A trinomial authority in parentheses indicates that the subspecies was originally described in a genus other than Kinosternon.

The synonym, Cinosternon spurrelli Boulenger, 1913, which is a synonym of Kinosternon leucostomum postinguinale, was named in honor of British zoologist Herbert George Flaxman Spurrell.^[3]

• Boulenger GA (1889). Catalogue of the Chelonians, Rhynchocephalians, and Crocodiles in the British Museum (Natural History). New Edition. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). x + 311 pp. + Plates I-III. (Cinosternon leucostomum, pp. 42–43).
• Duméril AMC, Bibron G (1851). "Cinosternon leucostomum ". In: Duméril AMC, Duméril A[HA] (1851). Catalogue Methodique de la Collection des Reptiles. Paris: Museum d’Histoire Naturelle de Paris / Gide & Baudry. 224 pp. (Cinosternon leucostomum, new species, p. 17). (in French). ([1]).