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Abstract
Increasing oil-exploration activity and associated ecological surveying west of the Shetlands is leading to the discovery of many poorly known or undescribed tanaidaceans. Three species of the typhlotanaid genus Paratyphlotanais Kudinova-Pasternak and Pasternak, Citation1978 have been recorded from shelf and bathyal depths between Iceland, the Faroe Islands and the western margin of the British Isles. Two, P. gracilipes (Hansen) and P. microcheles (G. O. Sars), formerly belonging to the genus Typhlotanais, are redescribed and a new species is described. A key to their identification is included. Inhabiting largely discrete zoogeographic areas, these species help define regional macrofaunal associations.
Acknowledgements
I would like to thank Susan Chambers (National Museums of Scotland), Miranda Lowe (Natural History Museum), Gudmundr Gudmundsson (Icelandic Museum) and Arne Norrevang and Jan Sorensen (Kaldbak Marine Laboratory) for loan of specimens, and Kim Larsen (Texas A&M University) for commenting on an earlier draft of this paper. I am very grateful to the United Kingdom Offshore Oil Association (UKOOA) and AFEN for a bursary to fund this work.