* Dermatobranchus dendronephthyphagus Gosliner & Fahey, 2011 Figure 19C

Material examined.

Two specimens 40-50 mm, SB.

Ecology.

Exclusive to the soft sediment habitats outside the coral reef where it may be found feeding on Dendronephthya sp. or partially buried in the nearby silt/sand. Depth 14-24 m.

Distribution.

Known from the West Pacific including Japan and Australia (Rudman 2005b; Nimbs and Smith 2016). Here documented as a first record for Thai waters.

Remarks.

Recorded as Dermatobranchus sp. by Mehrotra and Scott (2016: fig. 3C).