* Hypselodoris katherinae Gosliner & Johnson, 2018 Figure 11C

Material examined.

Two specimens 5-15 mm, CB.

Ecology.

Observed under dead fungiid coral skeletons and on rocks in shallow coral reef. Depth 3-15 m.

Distribution.

Indonesia, Eastern Malaysia, and the Philippines (Gosliner et al. 2008). Here representing a first record for Thai waters.

Remarks.

Recorded as undescribed from Koh Tao (Mehrotra and Scott 2016: fig. 2G) now identified as a first record for Thai waters.