Hydrophis anomalus Schmidt, 1852 — Erroneous.

Anomalous Sea Snake

Singapore records.

Thalassophis anomalus —Sworder, 1923: 70.—K.K.P. Lim & L.M. Chou, 1990: 55.—K.K.P. Lim & F.L.K. Lim, 1992: 148.—L.M. Chou et al., 1994: 105.— Iskandar & Colijn, 2001: 140.—K.K.P. Lim & F.L.K. Lim, 2002: 148.— Das, 2010: 324.—Rasmussen et al., 2011: 10.—Chan-ard et al., 2015: 268.

Hydrophis (Thalassophis) anomalus — Leviton et al., 2018: 459.

Remarks. Sworder (1923) included T. anomalus in his checklist of Singapore’s snakes because of its occurrence around Sumatra, Borneo, and Java, but no records exist of this species from Singapore. Subsequent publications likely refer to Sworder (1923).

LKCNHM & NHMUK Museum specimens. No specimens.

Additional Singapore museum specimens. No specimens.