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Introduction

Major changes have been made to the classification of both Old World & New World Ratsnakes over the last several years. A summary of reclassifications follows below.

 

Old name New name Common Name
Elaphe (Maculophis) bella bella Archelaphe bella bella  Bella's Ratsnake
Elaphe (Maculophis) bella chapaensis Archelaphe bella chapaensis Chapa Ratsnake
     
Elaphe erythrura Coelognathus erythrurus Philippene's Ratsnake
Elaphe flavolineata Coelognathus flavolineatus Yellow Stripe Ratsnake
Elaphe helena Coelognathus helena Trinket Snake
Elaphe radiata Coelognathus radiatus Radiated Ratsnake
Elaphe subradiatus Coelognathus subradiatus Indonesian Ratsnake
     
Elaphe schrenki anomala Elaphe anomala Amur Ratsnake
Elaphe bimaculata Elaphe bimaculata (unchanged) Twin Spot Ratsnake
Elaphe carinata Elaphe carinata (unchanged) Stinking Goddess
Elaphe climacophora Elaphe climacophora (unchanged) Japanese Ratsnake
Elaphe dione Elaphe dione (unchanged) Diones Ratsnake
Elaphe quadrivigata Elaphe quadrivigata (unchanged) Japanese Fourlined Ratsnake
Elaphe schrenki schrenki Elaphe schrenki Russian Ratsnake
Elaphe quatuorlineata sauromates Elaphe sauromates Eastern Fourlined Ratsnake
Elaphe quatuorlineata quatuorlineata Elaphe quatuorlineata Western Fourlined Ratsnake
     
Elaphe conspicillata Euprepiophis conspicillatus Japanese Forest Ratsnake
Elaphe mandarina Euprepiophis mandarinus Mandarin Ratsnake
Elaphe perlacea Euprepiophis perlaceus Pearl Banded Ratsnake
     
Elaphe janseni Gonyosoma janseni Celebe Black Tailed Racer
Elaphe oxycephala Gonyosoma oxycephalum Red Tailed Racer
     
Elaphe rufodorsata Oocatochus rufodorsatus Red Backed Ratsnake
     
Elaphe porphyracea Oreocryptophis porphyraceus Bamboo Ratsnakes
     
Elaphe cantoris Orthriophis cantoris Cantor's Ratsnake
Elaphe hodgsonii Orthriophis hodgsonii Hodgson's Ratsnake
Elaphe moellendorffi Orthriophis moellendorffi Hundred Flower Snake
Elaphe taeniura Orthriophis taeniurus Beauty Snakes
     
Elaphe bairdi Pantherophis bairdi Bairds Ratsnake
Elaphe guttata Pantherophis guttatus Cornsnake
Elaphe obsoleta Pantherophis obsoletus North American Ratsnakes
Elaphe vulpina Pantherophis vulpinus Fox Snakes
     
Elaphe flavirufa Pseudelaphe flavirufus Night Snakes
     
Elaphe (Gonyosoma) frenata Rhadinophis frenatus Rein Snake
Elaphe (Gonyosoma) prasina Rhadinophis prasinus Green Bush Snake
     
Elaphe scalaris Rhinechis scalaris Ladder Snake
     
Elaphe hohenackeri Zamenis hohenackeri Transcaucasian Ratsnake
Elaphe lineata Zamenis lineatus Italian Aesculapian Snake
Elaphe longissima Zamenis longissimus Aescalapian Snake
Elaphe persica Zamenis persicus Persian Ratsnake
Elaphe situla Zamenis situla Leopard Snake

References
1.Utiger, Urs, Notker Helfenberger, Beat Schätti, Catherine Schmidt, Markus Ruf and Vincent Ziswiler 2002 Molecular systematics and phylogeny of Old World and New World ratsnakes, Elaphe Auct., and related genera (Reptilia, Squamata, Colubridae). Russ. J. Herpetol. 9 (2): 105-124.
2.Utiger, Schatti and Helfenberger; The Oriental Colubrine Genus Coelognathus Fitzinger, 1843 and Classification of Old and New World Racers and Ratsnakes (Reptilia, Squamata, Colubridae, Colubrinae); Russian Journal of Herpetology Vol.12, No.1, 2005
3 .Schulz,, K.-D., W. Bšhme & F. Tillack (2011): Hemipenis morphology of Coronella bella Stanley, 1917 with comments on taxonomic and nomenclatural issues of ratsnakes (Squamata: Colubridae: Colubrinae: Elaphe auct.). - Russian J. Herp., 18 (4): 273-283.
This site has information on the following genera of Ratsnakes ... Spilotes, Spalerosophis, Ptyas, Zamenis, Elaphe, Rhinechis, Senticolis, Pseudelaphe, Pantherophis, Bogertophis, Orthriophis, Gonyosoma, Oreocryptophis, Oocatochus, Euprepiophis, Coelognathus, Archelaphe