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Hydractinia antonii sp. nov.: a new, partially calcified hydractiniid (Cnidaria: Hydrozoa: Hydractiniidae) from Alaska

Published online by Cambridge University Press:  25 August 2006

Maria Pia Miglietta
Maria Pia Miglietta
Affiliation:
Department of Biology, Duke University, Durham, NC 27708, USA Smithsonian Tropical Research Institute, Naos Laboratory, Box 0843-03092, Balboa, Panama. E-mail: migliettam@si.edu; mp.miglietta@duke.edu
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Abstract

A new partially calcified hydroid species of the family Hydractiniidae, was found in offshore waters of the Aleutian Islands (Alaska), dredged from the bottom at 139–145 m depth. This is the third known species of extant calcified Hydractiniidae, and it shows a unique colony structure. The base is heavily calcified and the distal parts are ramified and have a solid chitinous structure. Branches are all in one plane and the colony reaches up to 18 cm in height.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 86 , Issue 5 , October 2006 , pp. 993 - 996
Copyright
2006 Marine Biological Association of the United Kingdom

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