Clypeomorus bifasciata (G. B. Sowerby II 1855)

Clypeomorus bifasciata (Sowerby)

Among Clypeomorus taxa, the bifasciata complex comprises one of the most geographically widespread groups, and presents a number of taxonomic problems (see below). Populations from southern Japan, Western Australia, the Red Sea, and the Persian Gulf may be separate subspecific or specific taxa; but the evidence for recognition of most of these groups as distinct taxa does not now seem convincing, and only populations from the Persian Gulf are herein considered as a valid subspecies.

Populations from the other regions mentioned above should be studied more carefully, in situ, by local workers who have access to living specimens and can observe ecological, physiological, and morphological traits in greater detail.