Pseudrotasfer microincubator gen. et spec. nov., a brooding cucumariid holothurian (Echinodermata: Holothuroidea: Dendrochirotida) from the Burdwood Bank (south-western Atlantic Ocean)

Jens Michael Bohn

Abstract


A new brooding cucumariid holothurian, Pseudrotasfer microincubator gen. et sp. nov. has been discovered in samples taken by the LAMPOS expedition with FS “Polarstern” at Burdwood Bank in the south-western Atlantic Ocean. This species is characterised by peculiar wheel-like baskets in its outer body wall and a deeper layer of simple large perforated plates, that require the establishment of a new genus. The new genus and species are characterised, and a description is provided of its external and internal morphology, including a SEM study of its ossicles.

Keywords


Echinodermata; Cucumariidae; taxonomy; south-western Atlantic Ocean; spermatozeugmata; ovarian brooder

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ISSN 1175-5326 (Print Edition) & ISSN 1175-5334 (Online Edition)
Published by Magnolia Press, Auckland, New Zealand