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Arrhyton ainictum SCHWARTZ & GARRIDO, 1981

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Higher TaxaColubridae (Dipsadinae), Alsophiini, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Las Tunas Racerlet, Cuban Island Racer 
SynonymArrhyton ainictum SCHWARTZ & GARRIDO 1981: 216
Arrhyton ainictum — SCHWARTZ & HENDERSON 1991: 583
Arrhyton ainictum — CROTHER 1999
Arrhyton ainictum — WALLACH et al. 2014: 55 
DistributionCuba

Type locality: Cueva del 18, Francisco, Camagüey Province, Cuba.  
Reproductionoviparous 
TypesHolotype: CZACC (= IZAC = IZ) 4256. 
DiagnosisDESCRIPTION: Maximum SVL 363 mm (females unknown); ventrals 137 in male; subcaudals 168 in male; ventrals + subcaudals in male 245; dorsal scale rows at midbody 17; supralabials 7; infralabials 8; preoculars 1/1; postoculars 2/3; loreals asymmetrical in holotype, 1/2; rostral not distinctly upturned; anal divided. Dorsal ground color pale tan; dorsal scales rows 1 to lower half of 3 cream to white and concolor with venter; dorsal pattern a series of 3 longitudinal lines, the lateral pair faint, the median dorsal line even fainter and diffuse; lateral lines on scale rows 3 and 4; top of head brown, sharply defined marginally, extending from prefrontals onto parietals; a pair of tan paramedian blotches, darker than central dorsal ground color, separated from cephalic cap; overall impression quinquelineate pattern (Schwartz & Henderson 1991: 582). 
CommentFor illustrations see Schwartz and Garrido, 1981. 
References
  • Crother, Brian I. 1999. PHYLOGENETIC RELATIONSHIPS AMONG WEST INDIAN XENODONTINE SNAKES (SERPENTES; COLUBRIDAE) WITH COMMENTS ON THE PHYLOGENY OF SOME MAINLAND XENODONTINES. Contemporary Herpetology 2 - get paper here
  • Rodríguez Schettino, Lourdes, Carlos A. Mancina & Vilma Rivalta González 2013. REPTILES OF CUBA: CHECKLIST AND GEOGRAPHIC DISTRIBUTIONS. Smithsonian Herp. Inf. Serv. (144): 1-96 - get paper here
  • Schwartz, A. & Henderson, R.W. 1991. Amphibians and Reptiles of the West Indies. University of Florida Press, Gainesville, 720 pp.
  • Schwartz, A. and O. H. Garrido. 1981. A review of the Cuban members of the genus Arrhyton (Reptilia, Serpentes, Colubridae). Annals of the Carnegie Museum 50: 207-230.
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
 
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