ⓘ Oriental odd-tooth snake

                                     

ⓘ Oriental odd-tooth snake

The Oriental odd-tooth snake, sometimes called the Japanese odd-tooth snake, is a species endemic to Japan, belonging to the family Colubridae. It is found in Hokkaido, Honshu, Shikoku, Kyushu, the Goto Islands, Iki Island, Izu Ōshima, the Oki Islands, Sado Island, Tanegashima, and Yakushima. It has also been reported in Shiashkotan, one of the Kuril Islands.

The snake was first described in 1880 as Hilgendorf and yet Gunther, according to Stejneger description Hilgendorf was published before that of Gunther.