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Drymarchon kolpobasileus KRYSKO, GRANATOSKY, NUÑEZ & SMITH, 2016

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common NamesE: Gulf Coast Indigo Snake 
SynonymDrymarchon kolpobasileus KRYSKO, GRANATOSKY, NUÑEZ & SMITH 2016
Spilotes couperi — COPE 1860 (part)
Spilotes corais couperii — LÖNNBERG 1894 (part)
Compsosoma corais couperii — COPE 1900 (part)
Spilotes corais couperi — BROWN 1901 (part)
Drymarchon corais couperi — AMARAL 1929 (part)
Drymarchon couperi — CONANT & COLLINS 1991 (part) 
DistributionUSA (Florida: Sarasota County, S Alabama, SE Mississippi)

Type locality: Mill Terrace and Riverwood Avenue, Sarasota, Sarasota County, Florida, USA (27.29291° N, 82.52453° W, datum WGS84).  
Reproductionoviparous 
TypesHolotype: UF-Herpetology 52751 (Florida Museum of Natural History, University of Florida); collected by Dennis M. Sargent in August 1981 on. Attacked by domestic dog and brought to Sarasota Jungle Gardens where it died.
Paratypes. UF-Herpetology 55248, collected by T. Rooks on 6 June 1982 on State Road 24, 1.62 km SW State Road 345, Levy County, Florida (29.225295 N, 82.953708 W); UF-Herpetology 78797, collected by Paul Elliot on 15 November 1988 at the entrance of Upper Hillsborough Wildlife Management Area, Pasco County, Florida (28.35634 N, 82.12638 W); and UF-Herpetology 157096, collected by Joseph A. Wasilewski on 26 October 2006 at SW 204 Street and SW 134 Avenue, Miami, Miami-Dade County, Florida (25.57706 N, 80.40912 W). 
CommentDistribution: Gulf coast Populations have been previously considered as D. couperi, but found to be genetically (and slightly morphologically) different from D. couperi. See map in Krysko et al. 2016: 561 (Fig. 7).

Diagnosis. Drymarchon kolpobasileus sp. nov. is distinguished by a suite of morphological features including relatively shorter and shallower head dimensions, relatively deeper and shorter 7th infralabial scales, and shorter temporal scales (Fig. 5). Overall, the presence of a deep 7th infralabial scale provides the best univariate predictor of D. kolpobasileus sp. nov. (Table 3). Based on both DNA (Krysko et al. 2016) and morphology (specimens examined in this study) this species includes populations from the panhandle of Florida southeastward along the Gulf coast to southern peninsular Florida, including the Florida Keys. 
EtymologyThe Greek kolpo (meaning Gulf, referring to the Gulf of Mexico) and Greek basileus (meaning King) is used to form the composite noun kolpobasileus (Gulf King), which is applied as a noun in apposition to the generic name Drymarchon. When sea levels were lower during the Pleistocene, D. kolpobasileus sp. nov. was the largest known snake inhabiting the subaerially exposed Florida Platform that extended much further westward than today. This species is still the largest native snake and king of the remaining exposed Florida Platform in the western peninsula and panhandle of Florida. 
References
  • B. Love 2017. Was macht den Unterschied? Reptilia (Münster) 22 (126): 16-17 - get paper here
  • Krysko, Kenneth L.; Leroy P. Nuñez, Catherine A. Lippi, Daniel J. Smith, Michael C. Granatosky 2016. Pliocene–Pleistocene lineage diversifications in the Eastern Indigo Snake (Drymarchon couperi) in the Southeastern United States Molecular Phylogenetics and Evolution - get paper here
  • KRYSKO, KENNETH L.; MICHAEL C. GRANATOSKY, LEROY P. NUÑEZ, DANIEL J. SMITH 2016. A cryptic new species of Indigo Snake (genus Drymarchon) from the Florida Platform of the United States. Zootaxa 4138 (3): 549–569 - get paper here
 
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