Natricinae Bonaparte, 1838

Leviton, Alan E., Siler, Cameron D., Weinell, Jeffrey L. & Brown, Rafe M., 2018, Synopsis of the Snakes of the Philippines, Proceedings of the California Academy of Sciences 64 (14), pp. 399-568 : 444-445

Subfamily Natricinae Bonaparte, 1838

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. Malin-

dang, 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 .

Opisthotropis typica (Mocquard, 1890a) Photo figure 64–65 Sabah Keelback Snake

Helicopsoides typicus Mocquard, 1890:154 .

Opisthotropis typica, Brown (WC) and Leviton, 1961:2, 4.— Wallach, Williams, and Boundy, 2014:500.

TYPE LOCALITY AND TYPE SPECIMEN (S).— Mt. Kinabalu , North Borneo. Holotype: MNHN

1889.216. PHILIPPINE DISTRIBUTION ( Map 29B [p. 140]).— Palawan (Brooke’s Point). GENERAL DISTRIBUTION (OTHER THAN PHILIPPINES).— East Malaysia (Sabah [Mt. Kina Balu {also

as Kinabalu}]). CONSERVATION STATUS [IUCN].— Least Concern [2016] ver. 3.1.

Rhabdophis auriculatus auriculatus ( Günther, 1858) Photo figure 66 Günther’s Philippine Keelback Snake; Günther’s White-lined Water Snake

Tropidonotus auriculata Günther, 1858:80 .— Boulenger, 1893:261, pl. 17, fig. 1 (part).

Natrix auriculata, Griffin, 1911:257 (part).— Taylor, 1922a:89, text-fig. 7, pl. 4, figs. 2–4.

Rhabdophis auriculata auriculata, Leviton, 1970c:356 , figs. 2–3, 7.— Smith, 1993:98.— Sanguila, Cobb, Siler, Diesmos Alcala, and Brown, 2016:97, fig. 72.

Rhabdophis auriculatus auriculatus, David, Pauwels, Lays, and Lenglet, 2006:218 , fig. 12.

Rhabdophis auriculatus, Wallach, Williams, and Boundy, 2014:621 (part).

TYPE LOCALITY AND TYPE SPECIMEN (S).— Philippines, restricted to Mt. Apo , Davao Prov., Mindanao Id. by Leviton (1970:356). Holotype: BMNH 1946.1 .15.16.

PHILIPPINE DISTRIBUTION (ENDEMIC) ( Map 33C [p. 144]).— Dinagat, Leyte, Mindanao (Prov.: Agusan del Norte, Agusan del Sur, Cotabato, Davao City, Davao Occidental, Misamis Oriental, South Cotabato, Surigao del Sur), Samar.

CONSERVATION STATUS [IUCN].— The conservation status of Rhabdophis auriculatus auriculatus has not been assessed for the IUCN Red List [2016] ver. 3.1, but IUCN notes that it is list- ed in the Catalogue of Life as Rhabdophis auriculata and as such it is listed by IUCN as Least Concern.