Family EPIALTIDAE MacLeay, 1838
According to Davie et al. (2015a), this large family includes 89 genera and 452 species. Four subfamilies are recognized, Epialtinae MacLeay, Pisinae Dana, Pliosomatinae Števčić, and Tychinae Dana (Ng et al 2008). They inhabit shallow waters, even intertidal (Emmerson 2016b,c).All the subfamilies except Pliosomatinae are represented in the study area