
A new crab family, Phyllotymolinidae, is described to accommodate the genera Phyllotymolinum Tavares, 1993, the type genus, Genkaia Miyake et Takeda, 1970 and Lonchodactylus Tavares et Lemaitre, 1996. Four species are included in the new family: Phyllotymolinum crosnieri Tavares, 1993 (New Caledonia and Vanuatu, 280-301 m); Genkaia gordonae Miyake et Takeda, 1970 (Japon, Tsushima, north-eastern Kyushu, 68-100 m); Genkaia keijii Tavares, 1993 (New Caledonia, 135-150 m); and Lonchodactylus messingi Tavares et Lemaitre, 1996 (Bahamas, 262 m).
Crustacea, Decapoda, Brachyura, Podotremata, new family, bathyal fauna.