* Phyllodesmium opalescens Rudman, 1991 Figure 18J

Material examined.

One specimen 35 mm, CP.

Ecology.

Among coral, rocks, and discarded fishing equipment at an offshore pinnacle site. Depth 16 m.

Distribution.

Known from the Philippines, Hong Kong, Korea, and Japan (Gosliner et al. 2008). Here documented as a first record for Thai waters.