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Masticophis anthonyi (STEJNEGER, 1901)

IUCN Red List - Masticophis anthonyi - Critically Endangered, CR
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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Clarion Island Whip Snake
S: Látigo de Isla Clarión 
SynonymBascanion anthonyi STEJNEGER 1901: 715
Masticophis anthonyi — SMITH & TAYLOR 1945: 94
Masticophis anthonyi — LINER 1994
Coluber anthonyi — LINER 2007
Masticophis anthonyi — WALLACH et al. 2014: 417
Masticophis anthonyi — JOHNSON et al. 2017
Masticophis anthonyi — MYERS et al. 2017 
DistributionMexico (Clarion Island)

Type locality: “Clarion Island, Revilla Gigedo group, west coast of Mexico”  
Reproductionoviparous 
TypesHolotype: USNM 24390, Collected by: A. W. Anthony; Collection Date: April 1897 (according to Stejneger 1901)
Paratypes: (n=12) same information as holotype; 4 adult males USNM 24382, 24384, 24392, 24394; 7 adult female USNM 24385-89, 24391, 24393; 1 young 24383. 
DiagnosisDiagnosis: Scales in 17 rows; ventrals, 186-204; caudals, 97-112; frontal, at a line between centers of eyes, much narrower than supraocular; supralabials 8, fourth and fifth entering eye; a subocular; interparietal suture much shorter than distance from tip of snout to frontal; color above walnut brown, more or less uniform, and with scattered black spots. (Stejneger 1901) 
Comment 
EtymologyNamed after Alfred Webster Anthony (1865-1939), American collector, conservationist, ornithologist, and naturalist. 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Brattstrom, B.H. 1955. Notes on the herpetology of the Revillagigedo Islands, Mexico. American Midland Naturalist 54(1): 219-229. - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Johnson, J. D., L. D. Wilson, V. Mata-Silva, E. García-Padilla, and D. L. DeSantis. 2017. The endemic herpetofauna of Mexico: organisms of global significance in severe peril. Mesoamerican Herpetology 4(3): 544–620 - get paper here
  • Lemos-Espinal JA, Smith GR, Pierce LJS, Painter CW 2020. The amphibians and reptiles of Colima, Mexico, with a summary of their conservation status. ZooKeys 927: 99-125 - get paper here
  • Liner, Ernest A. 2007. A CHECKLIST OF THE AMPHIBIANS AND REPTILES OF MEXICO. Louisiana State University Occasional Papers of the Museum of Natural Science 80: 1-60 - get paper here
  • Myers, Edward A.; Jamie L. Burgoon, Julie M. Ray, Juan E. Martínez-Gómez, Noemí Matías- Ferrer, Daniel G. Mulcahy, and Frank T. Burbrink 2017. Coalescent Species Tree Inference of Coluber and Masticophis. Copeia 105 (4): 642-650 - get paper here
  • Stejneger, Leonhard 1901. Description of a new species of snake from Clarion Island, West Coast of Mexico. Proc. US Natl. Mus. 23 (1231): 715-717 - 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.
 
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