Included species: Hemiproto wigleyi McCain, 1968 ( type species by monotypy).
Flagellum of antenna 2 2–4-articulate; swimming setae absent; mandibular palp 3–articulate; setal formula for terminal articles 1–x–1 or 1–1; outer plate of maxilliped equal to inner plate; pereopods 3–4 6-articulate, pereopod 5 5-articulate; male abdomen with two pairs of small 1-articulate appendages, female abdomen with one pair of small 1-articulate appendages (adapted from McCain 1968).