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Magliophis stahli (STEJNEGER, 1904)

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Higher TaxaColubridae (Dipsadinae), Alsophiini, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Puerto Rican Miniracer 
SynonymLeimadophis stahli STEJNEGER 1904: 695
Leimadophis stahli — FOWLER 1918
Dromicus exiguus stahli — SCHWARTZ 1967: 6
Arrhyton exiguus stahli — SCHWARTZ & HENDERSON 1991: 586
Magliophis stahli — HEDGES et al. 2009
Magliophis stahli — WALLACH et al. 2014: 423 
DistributionPuerto Rico

Type locality: Puerto Rico, north of a line connecting Mayagùez, Los Rûbanos, Aibonito, and Patillas. elevation: sea level to at least 1800 ft.  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: USNM 27323 
DiagnosisDiagnosis: A subspecies of D. exiguus characterized by large size (male to 428 mm, females to 438 mm snout-vent length), high number of ventrals (145 to 165 in males, 146 to 161 in females), ventrals 4 subcaudals high (233 to 269 in males, 233 to 252 in females), dorsum usually with much dark brown spotting in the dorsal zone, nuchal stripe prominent and long, ventral angulate markings usually present and bold, venter heavily stippled or blotched, at times very darkly so, and loreals always present. (Schwartz 1967: 6) 
EtymologyNamed after Dr. A. Stahl of Bayamon, “the venerable Porto Rican patriot and naturalist, from whom I received the type specimen.” (Stejneger 1904) 
  • Fowler, H. W. 1918. Some amphibians and reptiles from Porto Rico and the Virgin Islands. Publ. Carnegie Inst. Washington, 252: 1-16.
  • 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
  • O’Shea, M. 2018. The Book of Snakes. Ivy Press / Quarto Publishing, London, - get paper here
  • Schwartz, A. 1967. A review of the genus Dromicus in Puerto Rico and the Virgin Islands. Stahlia 9: 1-14
  • Schwartz, A. & Henderson, R.W. 1991. Amphibians and Reptiles of the West Indies. University of Florida Press, Gainesville, 720 pp.
  • Stejneger, L. 1904. The herpetology of Porto Rico. Rept. United States Natl. Mus. 1902: 549-724. - 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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