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Alsophis manselli PARKER, 1933

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Higher TaxaColubridae (Dipsadinae), Alsophiini, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Montserrat Racer 
SynonymAlsophis leucomelas manselli PARKER 1933: 157
Alsophis manselli — HEDGES et al. 2009
Alsophis manselli — WALLACH et al. 2014: 24 

Type locality: Montserrat  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesSyntypes: BMNH 1946. l.4.57-.62, BMNH 1946.1.6.71-.75, BMNH 1946.1.4.53, BMNH 1946.1.4.95 
DiagnosisDiagnosis: “Scale-formula usually 19-19-16, some times 19-19-15 or 19-19-17, rarely 19-21-17. Ventral 198-208; subcaudals, female 115-123 +1, male 126- 134 +1. Colour-pattern of the juvenile a broad dark mid-dorsal stripe (sometimes replaced by three narrower ones), a narrow dark lateral stripe, and some dark dots on the flanks and belly. In adults the dark pigment becomes more pronounced, but the mid-dorsal stripe is fenestrated anteriorly by a double alternating series of yellow spots the light dorso-lateral lines (between the dark dorsal and lateral stripes of the juvenile) persist over almost the whole of the body and tail.” (Parker 1933: 157) 
EtymologyNamed after coll. Lt. Mansell, who collected one of the types. 
  • Hedges, S. Blair; Arnaud Couloux; Vidal, Nicolas 2009. Molecular phylogeny, classification, and biogeography of West Indian racer snakes of the Tribe Alsophiini (Squamata, Dipsadidae, Xenodontinae). Zootaxa 2067: 1-28 - get paper here
  • Parker, H. W. 1933. Some amphibians and reptiles from the Lesser Antilles. Ann. Mag. Nat. Hist. (10) 11:151-158. - get paper here
  • 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.
  • Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
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