FAMILY DENDROGASTRIDAE GRUVEL, 1905

Diagnosis: Endoparasitic in sea stars or sea urchins. Carapace of females with large, soft-walled lobes or branches, often with bizzare extensions. Antennules four-segmented, subchelate. Mandibles and maxillules absent or morphologically reduced. Five pairs of short and uniramous thoracopods, absent in advanced forms. Abdomen to- to three-segmented or absent in advanced forms. Furcal rami present as unarmed lobes or entirely absent. Dwarf males found in advanced forms.

Bifurgaster Stone & Moyse, 1985 (three species)

Dendrogaster Knipovich, 1890 (35 species)

Ulophysema Brattström, 1936 (two species)