Platydoris annulata

Platydoris annulata is a species of sea slug, a dorid nudibranch, shell-less marine opisthobranch gastropod mollusks in the family Discodorididae.

Distribution
This species was described from a single specimen captured at a depth of 166–172 m in the Philippines at 13.26667°N, 122.76667°W. It was reported from the Andaman Sea at depths of 303-313 m.