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New sub-Arctic species of the tropical genus Antropora (Bryozoa: Cheilostomata): a gastropod–pagurid crab associate

Published online by Cambridge University Press:  12 October 2004

Kevin J. Tilbrook
Affiliation:
Earth and Oceanic Sciences Research Institute, Auckland University of Technology, Private Bag 92006, Auckland 1020, NZ Department of Zoology, The Natural History Museum, London, SW7 5BD, UK
Andrei V. Grischenko
Affiliation:
Laboratory of Systematics and Evolution, Division of Biological Sciences, Graduate School of Science, Hokkaido University, Sapporo 060–0810, Japan

Abstract

Antropora commandorica sp. nov. is described from the Commander Islands (Bering Sea). This species is unique within the bryozoan genus Antropora in its sub-Arctic distribution; all other known species are distributed in tropical and sub-tropical waters. This species is also most often found as an epibiont of gastropod shells, some with an associated pagurid crab. Whilst this is not unknown in other species of the genus Antropora, A. commandorica appears to use these substrata almost exclusively.

Type
Research Article
Copyright
2004 Marine Biological Association of the United Kingdom

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