Astropecten euryacanthus
Scientific Name: Astropecten euryacanthus, English Name: Starfish, Sea star, Local Name: Taramachh (তারা মাছ); Family: Astropectinidae
Laganum joubini
Scientific Name: Laganum joubini, English Name: Sand dollars, Sea biscuits, Cake urchins, Local Name: Samudra urchin (সমুদ্র আর্চিন); Family: Laganidae
Temnopleurus toreumaticus
Scientific Name: Temnopleurus toreumaticus, English Name: Regular sea urchin, Local Name: Samudra urchin; Family: Temnopleuroidae
Jacksonaster depressum
Scientific Name: Jacksonaster depressum, English Name: Sand dollars, Sea biscuits, Cake urchins, Local Name: Samudra urchin (সমুদ্র আর্চিন); Family: Laganidae
Laganum decagonale
Scientific Name: Laganum decagonale, English Name: Sand dollars, Sea biscuits, Cake urchins, Local Name: Not Known; Family: Laganidae
Fibularia ovulum
Scientific Name: Fibularia ovulum, English Name: Sand dollars, Sea biscuits, Cake urchins, Local Name: Not Known; Family: Fibulariidae
Sculpsitechinus auritus
Scientific Name: Sculpsitechinus auritus, English Name: Sand dollars, Sea biscuits, Cake urchins, Local Name: Not Known; Family: Astriclypeidae
Clypeaster rarispinus
Scientific Name: Clypeaster rarispinus, English Name: Sand dollars, Sea biscuits, Local Name: Not Known; Family: Clypeasteridae
Clypeaster reticulatus
Scientific Name: Clypeaster reticulatus, English Name: Sand dollars, Sea biscuits, Cake urchins, Local Name: Not Known; Family: Clypeasteridae
Arachnoides placenta
Scientific Name: Arachnoides placenta, English Name: Cake and dollar, Local Name: Not Known; Family: Clypeasteridae