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A quick reference to species and subspecies of Old World Ratsnakes by Common Name and Scientific Name.

Old World strictly means; Europe, Asia ( Eurasia ) & Africa (Africa-Eurasia). The phrase was applied after discovery of the America's, the unknown New World, hence old world for what Europeans had previously considered the whole World. The use of an animals scientific name ensures clarity when discussing them.

It should be noted that common names are widely variable, some are not common at all and that they may fall in and out of use. These are just the ones used in English with enough frequency to be known by most

Bella's Ratsnake Archelaphe (Elaphe) bella bella
Chapa Ratsnake Archelaphe (Elaphe) bella chapansis
Red Tailed Philippene's Ratsnake / Mindao Ratsnake Coelognathus erythrurus erythrurus
Celebes Ratsnake Coelognathus erythrurus celebensis
Manila Ratsnake Coelognathus erythrurus manillensis
Palawan Ratsnake Coelognathus erythrurus philippinus
Grey Tailed Philippine Ratsnake Coelognathus erythrurus psephenourus
Yellow Stripe Ratsnake / Black Tailed Racer Coelognathus flavolineatus
Trinket Snake / Indian Trinket Rat Snake Coelognathus helena helena
Collared Trinket Snake Coelognathus helena monticollaris
Radiated Ratsnake / Copperheaded Racer Coelognathus radiatus
Indonesian Ratsnake Coelognathus subradiatus subradiatus
Engano Ratsnake Coelognathus subradiatus enganensus
Amur Ratsnake / Faded Amur / Korean Ratsnake Elaphe anomala
Twin Spot Ratsnake / Chinese Garter Snake Elaphe bimaculata
Stinking Goddess / King ratsnake Elaphe carinata carinata
Deqen Keeled Ratsnake Elaphe carinata deqenensus
Eastern Keeled Ratsnake Elaphe carinata yongaguniensus
Japanese Ratsnake Elaphe climacophora
Davids Ratsnake / Pere David’s ratsnake Elaphe davidi
Diones Ratsnake / Steppes Ratsnake Elaphe dione
Japanese Fourlined Ratsnake / Red Eyed Ratsnake Elaphe quadrivirgata
Western Fourlined Ratsnake / European Fourlined Ratsnake Elaphe quatuorlineata quatuorlineata
Cyclades Fourlined Ratsnake / Aegean Island Ratsnake Elaphe quatuorlineata muenteri
Eastern Fourlined Ratsnake / Bulgarian Ratsnake / Blotched Fourlined Snake Elaphe sauromates
Russian Ratsnake / Black Amur Ratsnake Elaphe schrencki
Mandarin Ratsnake Euprepiophis mandarinus
Pearl Banded Ratsnake / Szechwan Rat Snake Euprepiophis perlaceus
Japanese Forest Ratsnake / Red Japanese Ratsnake Euprepiophis conspicillatus
Rein Snake / Assam Green Trinket Snake Rhadinophis frenatum
Celebe Black Tailed Racer/Ratsnake / Jansens Ratsnake Gonyosoma janseni
Red Tailed Racer / Red Tailed Green Ratsnake / Red Tailed Tree Racer / Mangrove Ratsnake Gonyosoma oxycephalum
Green Bush Snake / Asian Green Rat Snake / Green Trinket Snake Rhadinophis prasinum
Red Backed Ratsnake / Chinese Gartersnake Oocatochus rufodorsatus
Red Bamboo Ratsnakes Oreocryptophis porphyraceus porphyraceus
Thai Red Mountain Ratsnake/Racer / Thai Bamboo Snake Oreocryptophis porphyraceus coxi
Hainan Bamboo Ratsnake Oreocryptophis porphyraceus hainanus
Taiwan Bamboo Ratsnake Oreocryptophis porphyraceus kawakamii
Broad Banded Mountain Ratsnake Oreocryptophis porphyraceus laticincta
Yunnan Mountain Ratsnake Oreocryptophis porphyraceus pulchra
Chinese Bamboo Ratsnake / Chinese Red Mountain Ratsnake/Racer Oreocryptophis porphyraceus vaillanti
Cantor's Ratsnake Orthriophis cantoris
Hodgson's Ratsnake Orthriophis hodgsonii
Hundred Flower Snake / Moellendorfs Ratsnake Orthriophis moellendorffi
Chinese Beauty Snakes / Striped Tail Ratsnake Orthriophis taeniurus taeniurus
Taiwan Beauty Snake Orthriophis taeniurus friesi
Indonesian Beauty Snake Orthriophis taeniurus grabowski
Mocquards Beauty Snake Orthriophis taeniurus mocquardi
Cave Dwelling Ratsnake / Ridleys Ratsnake / Maylaysian Racer Orthriophis taeniurus ridleyi
Yunnan Beauty Snake Orthriophis taeniurus yunnanensis
Blue Beauty / Vietnamese Blue Beauty Orthriophis taeniurus callicyanous
Ladder Snake Rhinechis scalaris
Transcaucasian Ratsnake Zamenis hohenackeri hohenackeri
Taurus Mountain Ratsnake / Turkish Ratsnake Zamenis hohenackeri taurica
Italian Aesculapian Snake Zamenis lineatus
Aesculapian Snake Zamenis longissimus
Persian Ratsnake Zamenis persicus
Leopard Snake Zamenis situla
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