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Free Content Two New Species of the Pacific Component of the Provenzanoi Group of Pagurus (Decapoda; Anomura; Paguridae) and a Key to the Regional Species

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Abstract:

During studies of Pacific representatives of the provenzanoi group of Pagurus, two new species have been recognized. These species, P. spighti n. sp. and P. annexus n. sp. are described and illustrated. The assignment of two additional, poorly described species, P. villosus Nicolet and P. benedicti (Bouvier) is confirmed and these are redescribed and illustrated. Pagurus galapagensis (Boone) has been found to be a junior subjective synonym of P. benedicti. A fifth species, P. redondoensis Wicksten, is compared with other Pacific members of the group and its range is extended to include the west coast of Baja California, Mexico. A key to the Pacific species of the group is provided. P. benedicti differs appreciably in several characters previously used in the diagnosis of the provenzanoi group; however, the validity of its placement in this group has been substantiated by the intermediate condition of certain characters exhibited by one of the new species described herein. A continuum in certain morphological characters is demonstrated for representatives of the group.

Document Type: Research Article

Publication date: 1993-03-01

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