Heptaceras
Frontal antennae long and slender. Tentacular cirri present. Anterior setigers not strongly modified. Branchiae found from setiger 1, pectinate. Dorsal cirri foliose on some setigers.
Heptaceras hyllebergi (Nateewathana, 1988)
Found: Phuket, Andaman Sea, Thailand