FAMILY SYNAGOGIDAE GRUVEL, 1905

Diagnosis: Ecto-, meso- or endoparasites of alcyonaceans, antipatharians and stalked crinoids. Carapace and main body have generalized morphology. Females with bivalved or dorsally fused carapace. Antennules six-segmented; terminal segment with claw and proximal sensory process. Lanceolate mandibles with one or more longitudinal setal rows and complex or simple teeth. Hypopharynx modified to long languette (absent in Waginella Grygier, 1983). Six pairs of setose, biramous thoracopods. Large epaulets on thoracomere 6 (absent in Synagoga Norman, 1888).

Cardomanica Lowry, 1985 (three species)

Flatsia Grygier, 1991 (one species)

Gorgonolaureus Utinomi, 1962 (seven species)

Isidascus Moyse, 1983 (one species)

Sessilogoga Grygier, 1990 (two species)

Synagoga Norman, 1888 (seven species)

Thalassomembracis Grygier, 1984 (seven species)

Waginella Grygier, 1983 (three species)