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Apalone mutica (LESUEUR, 1827)

IUCN Red List - Apalone mutica - Least Concern, LC
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Higher TaxaTrionychidae (Trionychinae), Trionychoidea, Testudines (turtles)
SubspeciesApalone mutica mutica (LESUEUR 1827)
Apalone mutica calvata (WEBB 1959) 
Common NamesE: Smooth Softshelled Turtle
G: Glatte Weichschildkröte
mutica: Midland Smooth Softshell
calvata: Gulf Coast Smooth Softshell 
SynonymTrionyx muticus LESUEUR 1827: 263
Aspidonectes ferox — WAGLER 1830
Trionyx Muticus — DUMÉRIL & BIBRON 1835: 484
Amyda muticus — FITZINGER 1835: 110 (fide SMITH 1963)
Amyda mutica — BURT 1935
Amyda mutica — CONANT 1938
Trionyx muticus — WEBB 1973
Trionyx muticus — STEBBINS 1985: 109
Trionyx muticus — ALDERTON 1988
Apalone mutica — CROTHER 2000
Apalone mutica — TTWG 2014
Apalone mutica — TTWG 2021

Apalone mutica mutica (LESUEUR 1827)
Potamochelys microcephalus GRAY 1864
Trionyx muticus muticus — WEBB 1959
Trionyx muticus muticus — STEBBINS 1985: 109
Apalone mutica mutica — ERNST & BARBOUR 1989
Apalone mutica mutica — CONANT & COLLINS 1991: 79
Apalone mutica mutica — CROTHER 2000
Apalone mutica mutica — TTWG 2014
Apalone mutica mutica — TTWG 2021

Apalone mutica calvata (WEBB 1959)
Trionyx muticus calvatus WEBB 1959
Apalone mutica calvata — ERNST & BARBOUR 1989
Apalone mutica calvata — CONANT & COLLINS 1991: 79
Apalone mutica calvata — CROTHER 2000
Apalone mutica calvata — TTWG 2014
Apalone mutica calvata — TTWG 2021 
DistributionUSA (Ohio, Minnesota, S North Dakota, South Dakota, E/S Nebraska, Kansas, Oklahoma, N/E Texas, Mississippi, Missouri, Iowa, Arkansas, Louisiana, Illinois, Wisconsin, Indiana, Kentucky, Tennessee, West Virginia, Alabama, W Florida Panhandle, E New Mexico; Considered extirpated in W Pennsylvania)

calvata: Mississippi; Type locality: Pearl River, Roses Bluff, 14 mi E Jackson, Rankin County, Mississippi; W. F. Childers; August 25, 1952.

Type locality: "Newharmony, sur le Wabash" (=New Harmony, Wabash River), Posey County, Indiana, USA  
Reproductionoviparous. KUZMIN (2002) reported a hybrid between Apalone mutica and Pelodiscus sinensis. 
TypesLectotype: MNHN-RA 8813; paralectotypes: MNHN-RA 0564, MNHN-RA 4143 and MNHN-RA 8814 accordintg to Bour et al. 1995. Syntypes: MNHN 564, 4143, 7977 (is an older number for MNHN-RA 8813), 8813 (formerly 787), and 8814 (formerly 788); MNHN 8813 designated lectotype by Webb (1962: 534, 536). See Bour et al. 1995
Holotype: INHS (= UIMNH) 31071; paratype: KU [calvata] 
Diagnosis 
CommentHabitat: freshwater (rivers and tributaries, lakes) 
EtymologyNamed after Latin muticus = curtailed, unarmed, referring to the lack of tubercles on front edge of carapace. 
References
  • Alderton, D. 1988. Turtles and tortoises of the world. Facts on File, New York.
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  • Braun, Andrew P. and John West. 2014. Geographic Distribution: Apalone mutica (smooth softshell turtle). Herpetological Review 45 (2): 279 - get paper here
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