The Ampelisca Diadema Group of Species (Amphipoda: Gammaridea) in British and Irish Waters

The characters widely used for identifying members of the Ampelisca diadema group of species (A. diadema, A. spinipes, A. tenuicornis and A. armoricana) are reassessed. Highly variable characters are discarded in favour of more stable ones. Both sexes of all four species known from the north-east At...

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Bibliographic Details
Published in:Journal of the Marine Biological Association of the United Kingdom
Main Authors: Myers, A. A., McGrath, D.
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 1991
Subjects:
North East Atlantic
Online Access:http://dx.doi.org/10.1017/s0025315400051602
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0025315400051602
Description
Summary:The characters widely used for identifying members of the Ampelisca diadema group of species (A. diadema, A. spinipes, A. tenuicornis and A. armoricana) are reassessed. Highly variable characters are discarded in favour of more stable ones. Both sexes of all four species known from the north-east Atlantic are figured and diagnoses and a key to the species are provided.

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