Opisthotropis alcalai Brown (WC) and Leviton, 1961

Photo figures 62–63

Alcala’s Mountain Keelback

Opisthotropis alcali Brown (WC) and Leviton, 1961:2, fig. 1.— Wallach, Williams, and Boundy, 2014:498.

TYPE LOCALITY AND TYPE SPECIMEN (S).— Cugat Creek, west side of Dapitan Peak, Mt. Malindang, Zamboanga del Norte Prov., Mindanao Id., Philippines. Holotype: CAS-SU 22250.

PHILIPPINE DISTRIBUTION (ENDEMIC) (Map 29A [p. 140]).— Mindanao (Prov.: Zamboanga City [formerly Zamboanga del Sur], Zamboanga del Norte).

CONSERVATION STATUS [IUCN].— Endangered B 1ab(iii)+2ab(iii) [2016] ver. 3.1.