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Kinosternon vogti LÓPEZ-LUNA, CUPUL-MAGAÑA, ESCOBEDO-GALVÁN, GONZÁLEZ-HERNÁNDEZ, CENTENERO-ALCALÁ, RANGEL-MENDOZA, RAMÍREZ-RAMÍREZ & CAZARES-HERNÁNDEZ, 2018

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Higher TaxaKinosternidae (Kinosterninae), Kinosternoidea, Testudines (turtles) 
Subspecies 
Common NamesE: Vallarta Mud Turtle
S: Casquito de Vallarta 
SynonymKinosternon vogti LÓPEZ-LUNA, CUPUL-MAGAÑA, ESCOBEDO-GALVÁN, GONZÁLEZ-HERNÁNDEZ, CENTENERO-ALCALÁ, RANGEL-MENDOZA, RAMÍREZ-RAMÍREZ & CAZARES-HERNÁNDEZ 2018 
DistributionMexico (Jalisco)

Type locality: urban stream in Puerto Vallarta, Jalisco, Mexico (WSG84, 20838024.9900N, 105813055.5700W, 10 m elevation  
Reproduction 
TypesHolotype: CNAR (originally as IBH-31568), whole, liquid-preserved adult male (CL = 87.1 mm); collected in July 2005 by F.G. Cupul-Magaña. Paratypes. Two males in the live collection of Reptilario Cipactli, Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT-UMA-EA-0035-JAL) numbers CUC-REPTILARIO K01 (CL = 83.1 mm) and CUC-REPTILARIO K02 (CL = 80 mm), collected in July 2012 near Río Pitillal in Puerto Vallarta, Jalisco (WSG84, 2083805600N, 10581304800W 10 m elev. masl), to be deposited on death to Colección Nacional de Anfibios y Reptiles (CNAR) from the Instituto de Biolog ́ıa at Universidad Nacional Autónoma de Me ́xico. IBH31550, whole, liquid-preserved young male adult (CL = 77.6 mm), collected 4 September 2015 by E. Centenero-Alcalá in a temporary stream of Ixtapa, Puerto Vallarta, Jalisco, Mexico, near the CUC of the Universidad de Guadalajara (WSG84, 2084104200N, 1058120900W, 40 m elev. masl). IBH-31569, whole, liquid-preserved adult male (CL = 89 mm), collected from an urban stream in Puerto Vallarta, Jalisco, Mexico (WSG84, 2083802400N, 10581305500W, 10 m elev. masl) in July 2005 by F.G. Cupul-Magaña; one dried carcass (sex unknown), with carapace (CL = 101.5 mm) and plastron in good condition, collected in July 2005 in a concrete channel near R ́ıo Pitillal (WSG84, 2083802700N, 10581305400W, 10 m elev. masl), deposited in Reptilario Cipactli. Recently, during diurnal surveys (25 August 2017) in a stream near the CUC, Universidad de Guadalajara (WSG84, 2084202400N, 10581301600W, 40 m elev. masl), 1 male (cicea-kv-01) (CL = 83.5 mm) and 1 female (cicea-kv-02) (CL = 88.7 mm) were captured by M.M. Ramírez-Ramírez. These individuals were deposited alive in the Centro de Investigación y Conservacio ́n de Especies Amenazadas CICEA (INE/CITES/DFYFS-CR-IN-0023-TAB/99) of the Divisio ́n Acade ́mica de Ciencias Biolo ́gicas of Universidad Jua ́rez Autónoma de Tabasco in Villahermosa City, Tabasco, Mexico, to begin a program of captive reproduction and create an assurance colony for this species. 
DiagnosisDiagnosis. — Kinosternon vogti is the smallest member of the genus. The largest known specimen is a carcass of unknown sex (CL = 101.5 mm) with a depressed and weakly unicarinate carapace. It differs from the remaining species of the genus along the southern Pacific coastal plain of Mexico described in Berry et al. (1997) and Legler and Vogt (2013) in having 1) a conspicuous yellow rostral shield in males, occupying all space between the eyes and nostrils (absent in all congeners); 2) the greatest relative carapace width of any member of the genus found along the Pacific coast (CW/CL = 74%; n = 9) compared with K. chimalhuaca (CW/CL = 66%; n = 37), K. integrum (CW/ CL=63%; n=34), K. oaxacae (CW/CL=63%; n=3), and Kinosternum scorpioides (CW/CL = 67%; n = 117); 3) a very small plastron (PHW/CW = 47%–52%; n = 9) compared with K. chimalhuaca (PHW/CW = 50.5%– 57.6%; n = 54), K. integrum (PHW/CW = 61.1%–67%; n = 58), K. oaxacae (PHW/CW = 54%–58.5%; n = 18), and K. scorpioides (PHW/CW = 63.4%–73.1%; n = 24); 4) a long interfemoral scute seam (FEL/HL = 32%–43%; n = 9) compared with K. chimalhuaca (FEL/HL = 23.1%– 41.8%; n = 54), K. integrum (FEL/HL = 14.8%–28%; n = 58), K. oaxacae (FEL/HL = 23.6%–39%; n = 18), and K. scorpioides (FEL/HL = 0%–16.7%; n = 24); 5) a narrow bridge (BRL/CL = 13%–18%; n = 9) compared with K. chimalhuaca (BRL/CL = 15.3%–20.6%; n = 54), K. integrum (BRL/CL = 19.6%–27.4%; n = 58), K. oaxacae (BRL/CL = 19.4%–24.4%; n = 18), and K. scorpioides (BRL/CL = 27.3%–32.4%; n = 24); 6) a relatively large axillary scute, approximately 70% of the size of the inguinal scute and in broad contact with the latter compared with K. chimalhuaca (58%; n = 2), K. integrum (29%; n = 4), K. oaxacae (37%; n = 1), and K. scorpioides (29%; n = 5), and poorly in contact, sometimes separated in most of the Pacific coast species; 7) the inguinal scute only in contact with marginals 6 and 7 (never with M8) compared with the inguinal scute in contact with M6, M7, and M8 in the other Pacific coast species; and 8) the first vertebral scute not in contact with M2 (100%; n = 10) compared with K. chimalhuaca (88.9%; n = 54), K. integrum (1060.4%; n = 58), K. oaxacae (0%; n = 17), and K. scorpioides (20.8%; n = 24). 
CommentSimilar species: Kinosternon angustipons (Caribbean lowlands of Nicaragua to Panama), Kinosternon dunni (NW South America), Kinosternon herrerai.

The diagnosis of this species is a bit dubious as the measurements are not summarized graphically. There is also no (phylo-) genetic analysis of relationships to other members of the genus. 
EtymologyNamed after Professor Richard Carl Vogt, researcher of freshwater chelonians. 
References
  • LÓPEZ-LUNA, MARCO A.; FABIO G. CUPUL-MAGAÑA, ARMANDO H. ESCOBEDO-GALVÁN, ADRIANA J. GONZÁLEZ-HERNÁNDEZ, ERIC CENTENERO-ALCALÁ, JUDITH A. RANGEL-MENDOZA, MARIANA M. RAMÍREZ-RAMÍREZ, AND ERASMO CAZARES-HERNÁNDEZ 2018. A Distinctive New Species of Mud Turtle from Western México Chelonian Conservation and Biology, 2018, 17(1): 2–13 doi:10.2744/CCB-1292.1 - get paper here
 
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