Delphinula rugosa Kiener, 1873 Angaria rugosa is a species of sea snail, a marine gastropod mollusk in the family Angariidae.

[3] Angaria rugosa has a dark red color, fine scales on the surface, and usually no large spines on the upper peripheral ridge.

[2] Angaria rugosa can be found majorly on the shores of East India down to Vietnam and also offshores of the Philippines.

[3] It lives in shallow water, from intertidal to several meters in depth.

[2] This species is limited to the Indian Ocean, it is known from southern India, Sri Lanka, the Nicobar Islands, and from western Thailand.