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On the basis of 92 specimenes collected in Mexican Caribbean coasts, seven species in three subfamilies were identified.- Notoproctinae: Notoproctus oculatus? Arwidsson, 1907; Nicomachinae: Micromaldane ornithochaeta Mesnil, 1879, Nicomache antillensis Augener, 1922 and Petaloproctus socialis Andrews, 1891; Euclymeninae: Axiothella mucosa (Andrews, 1891) , Euclymene coronata Verrill, 1900, and Isocirrus corallicolus (Treadwell, 1929) comb. nov. Three other species are included because of their type or reference materials were examined, the maldaninae Sabaco elongatus (Verrill, 1873) and Maldane sarsi Malmgren, 1865, from the Central Atlantic and recorded in the Grand Caribbean region; Maldane atlantica McIntosh, 1885, is regarded as indeterminable. In a commentary on the species of Axiothella Verrill, the genus is redefined, species are grouped according to their anal cirri and number of uncini in first setigers. Further, the status of A. rubrocincta complexa Berkeley & Berkeley is risen to species level; it is suggested that A. crozetensis Gillet and Microclymene tricirrata Arwidsson should be placed in Clymenura Verrill, A. quadrimaculata Augener should be included in Microclymene Arwidsson, the placement of A. catalinia Hartman in Maldanella McIntosh is confirmed and because of the definition of this genus, Abyssoclymene Hartman, with A. annularis Hartman as its type and only species, should be regarded as a junior synonym of Maldanella. A key to identifY all the recorded species of maldanids in the Grand Caribbean region is also included. Español

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