Two new species of hydrothermal vent crabs of the genus Bythograea from the southern East Pacific Rise and from the Galapagos Rift (Crustacea Decapoda Brachyura Bythograeidae).

Two new species of Bythograea Williams, B. vrijenhoeki n. sp.

New genus and species of brachyuran crab from the southern East Pacific Rise (Crustacea Decapoda Brachyura Bythograeidae).

A new genus and species of a brachyuran crab, Allograea tomentosa n. gen. and n.