Scientia Marina, Vol 74, No 3 (2010)

A new species of deep-water Holothuroidea (Echinodermata) of the genus Synallactes from off western Mexico

Claude Massin
Department of Recent Invertebrates, Royal Belgian Institute of Natural Sciences , Belgium

Michel E. Hendrickx
Laboratorio de Invertebrados Bentónicos, Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México , Mexico


An undescribed species of Synallactes was collected during a deep-water benthic fauna survey off the Pacific coast of Mexico in the East Pacific, with the R/V El Puma. This new species differs from all the other known Synallactes by the presence of huge massive rods in the tube feet, some of them club-shaped. The later ossicle shape is unique among Holothuroidea. This is the first record of a Synallactes in the Gulf of California.


Holothuroidea; Synallactes n. sp.; club-shaped ossicles; deep water; East Pacific; Mexico

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