A worldwide systematic review of the genus Anapagurus is presented. In addition to the rediagnoses of the genus and all known species, five new species, A. alboranensis, A. adriaticus, A. vossi, A. atlantidii, and A. congolensis, are described. All 18 species are illustrated and a key to the species is given. Several new diagnostic characters found in the right chelipeds (1- the shape and relative size of the mesial and lateral lobes that flank the dorsoproximal margin of the palm; 2- the shape and relative size of the median sinus of the ventroproximal palmar margin; 3- the shape, armature and relative size of the dorsomesial distal carpal angle; and 4- the shape and extension of both ventrodistal and ventroproximal carpal margins, which determine the... |