Oligodon formosanus (Gunther, 1872)

Tsai, Tein-Shun & Mao, Jean-Jay, 2017, Zavreliella undetermined, Zoological Studies 56 (38), pp. 1-23 : 12

Oligodon formosanus

Upper body with a series of paired spots along the vertebral line ( Fig. 5D ; type I) in neonates, or with longitudinal stripes and occasionally cross bands ( Figs. 5E, F ; type II) in juveniles or adults; dorsal head usually with symmetrical brown designs, including forward-pointing dark chevrons at the back of the head; body scales smooth; anal scale entire.

Figures

Fig. 5. Representative images of the dorsal head, anterior body, middle body, and posterior body of potential types of shed skins for the snake species: (A) Naja atra (type I; juvenile); (B) N. atra (type II; juvenile); (C) Oligodon chinensis (patterned-type I; juvenile; note that the leftmost panel [as patterned-type II] was from the posterior body region of an adult); (D) O. formosanus (patterned-type I; neonate); (E) O. formosanus (patterned-type II; adult); (F) O. formosanus (patterned-type II; adult; Orchid Is.); (G) O. ornatus (patterned; adult); (H) Oreocryptophis porphyraceus kawakamii (patterned-type I; juvenile); (I) O. p. kawakamii (patterned-type II; adult); (J) Ovophis makazayazaya (patterned; adult). Scale bar = 0.5 cm.