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Kinosternon flavescens (AGASSIZ, 1857)

IUCN Red List - Kinosternon flavescens - Least Concern, LC

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Higher TaxaKinosternidae (Kinosterninae), Kinosternoidea, Testudines (turtles)
Common NamesE: Yellow Mud Turtle
S: Casquito de Amarillo 
SynonymPlatythyra flavescens AGASSIZ 1857: 430
Cinosternon flavescens AGASSIZ 1857:260
Cinosternum flavescens COPE 1875
Kinosternon flavescens flavescens HARTWEG 1938
Kinosternon flavescens spooneri SMITH 1951: 195
Kinosternon flavescens flavescens — WERMUTH & MERTENS 1977: 6
Kinosternon flavescens spooneri — WERMUTH & MERTENS 1977: 6
Kinosternon flavescens — STEBBINS 1985: 98
Kinosternon flavescens spooneri — CONANT & COLLINS 1991: 49
Kinosternon flavescens flavescens — CONANT & COLLINS 1991: 49
Kinosternon flavescens — CONANT & COLLINS 1991: 48
Kinosternon flavescens — LINER 1994
Kinosternon flavescens — CROTHER 2000
Kinosternon flavescens — RHODIN et al. 2010
Kinosternon flavescens — TTWG 2014: 347
Kinosternon flavescens — TTWG 2021 
DistributionUSA (Arizona, Kansas, Arkansas ?, W Nebraska, E Colorado, E New Mexico, SE Iowa, NW Illinois, Missouri, Mississippi, SE Oklahoma, E Texas); Mexico (N Chihuahua, NE Coahuila, W Nuevo Leon, SW Tamaulipas, NW Veracruz)

Type locality: Waco, Texas (restricted by K.P. SCHMIDT 1953)  
Reproductionoviparous. This species shows temperature-dependent sex determination (TSD). 
TypesTypes: USNM 50, 131823 und 7892, MCZ 1918 und 1919
Lectotype: USNM 50 (designated by IVERSON 1978; pers comm. antvet 30 Jul 2012). 
CommentSynonymy: Kinosternon flavescens spooneri has been synonymized with flavescens flavescens by BERRY & BERRY 1984. SERB et al. (2001) suggested to elevate K. f. arizonense and K. f. durangoense to full “phylogenetic” species status. Kinosternon flavescens stejnegeri HARTWEG 1938 has been synonymized with K. arizonense.

Habitat: freshwater (swamps, quiet rivers)

Distribution: see map in Iverson & Christiansen 2023 
EtymologyNamed after Latin flavus = yellow and Latin -escens = becoming or “yellowish”, referring to the yellow color on the underside of the jaw and throat. 
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