Miers, 1886
Antennules folded transversely. Chelipeds with the extremities of fingers acute. Ambulatory legs with a dactylo-propodal articulation formed by a rounded prolongation of the propodal lateral margin sliding against and beneath a projecting button situated proximally on the lateral margin of the dactylus. Male abdomen divided into five segments, segments 3-5 fused but sometimes with the sutures visible. Female openings sternal. Male openings coxal. (Guinot 1998)
Subfamilies treated:
subfamily Domeciinae Ortmann, 1893
subfamily Trapeziinae Miers, 1886