The head is covered by a cephalic shield.
All species have a pair of slender, cylindrical pre-antennal frontal processes.
The trunk lacks tagmosis and is composed of numerous segments each bearing a pair of biramous, paddlelike swimming appendages. R emipedes lack eyes and body pigmentation. Adult holotype measured 31.5 mm in length. The ovary originates in the posterior portion of the head and lies dorsal to the midgut. The oviducts extend ventrally to the 7th swimming or trunk appendages where the female gonopores are located.