Tanaidomorph Tanaidacea (Crustacea: Peracarida) from Mud-Volcano and Seep Sites on the Norwegian Margin

Recent sampling of the benthos has been undertaken around the Håkon Mosby Mud Volcano (HMMV) at around 1280 m depth on the Norwegian-Barents-Spitsbergen continental margin and at two seep-sites further south on the Norwegian Margin, the Nyegga seep-site and the Storegga Slide, at about 730 m depth....

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Bibliographic Details
Published in:Zootaxa
Main Authors: BŁAŻEWICZ-PASZKOWYCZ, MAGDALENA, BAMBER, ROGER N.
Format: Article in Journal/Newspaper
Language:English
Published: Mangolia Press 2011
Subjects:
Crustacea
Tanaidacea
mud volcanoes
pockmarks
seeps
Barents Sea
deep-sea
Akanthophoreus
Cryptocopoides
Meromonakantha
Obesutanais
Paranarthrurella
Pseudotanais
Thorkelius
Typhlotanais
Storegga
Nyegga
Spitsbergen
Online Access:https://www.mapress.com/j/zt/article/view/zootaxa.3061.1.1
https://doi.org/10.11646/zootaxa.3061.1.1
Description
Summary:Recent sampling of the benthos has been undertaken around the Håkon Mosby Mud Volcano (HMMV) at around 1280 m depth on the Norwegian-Barents-Spitsbergen continental margin and at two seep-sites further south on the Norwegian Margin, the Nyegga seep-site and the Storegga Slide, at about 730 m depth. The collected material included eleven species of tanaidomorph tanaidacean, ten of which (from eight genera) are analyzed herein. Four of these species, one each in the genera Pseudotanais, Cryptocopoides, Obesutanais, and Akanthophoreus, are new to science. Supplementary descriptions are given for two species originally discovered during the 19th century Ingolf expedition, Typhlotanais mixtus and Meromonakantha irregularis. The genus Magotanais is synonymized with Cryptocopoides; the subfamily Akanthophoreinae, Sieg is restricted and raised to family-rank. The evolution of potentially endemic taxa at ventand seep-sites is discussed.

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