Philinopsis speciosa Pease, 1860 Figure 7H

Material examined.

Two specimens 18-26 mm, SB; one specimen 14 mm, TT; one specimen 11 mm, SN.

Ecology.

In soft sediment habitats outside the coral reef. Depth 14-26 m.

Distribution.

Widespread across the Indo-Pacific including Mozambique ( Tibiriçá and Malaquias 2016), Maldives (Yonow 1994), Vietnam (Martynov and Korshunova 2012), Australia (Nimbs and Smith 2016), Guam, Hawaii, the Galapagos Islands (Zamora-Silva and Malaquias 2018), South Africa, Tanzania, the Philippines, Indonesia, Papua New Guinea, Japan, Panama (Gosliner et al. 2008), and Red Sea (Yonow 1990). Previously documented from Thai waters (Nabhitabhata 2009) but a specific location was not given. Here confirmed from the Gulf waters of Thailand.