*3.2. Animal Material*

Specimens of *Anthenoides laevigatus* Liao & A.M. Clark, 1989 (order Valvatida, family Goniasteridae) were collected in January 2018 from the coastal waters of the Qui Nhon Province (Vietnam), at a depth of 20 to 30 m, and were identified by Dr. Do Cong Thung, the Institute of Marine Resources and Environment, VAST, Hai Phong, Vietnam. A voucher specimen (no. SBAL 01-2018 (was deposited at the Institute of Natural Products Chemistry, VAST, Vietnam.
