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New records of Ericthonius didymus Krapp-Schickel, 2013 (Crustacea: Amphipoda: Ischyroceridae) in European waters with a focus in Arcachon Bay, France and key to Ericthonius species
Published online by Cambridge University Press: 08 May 2020
Abstract
The amphipod Ericthonius didymus Krapp-Schickel, 2013 is reported for the first time outside its type locality in European waters, from the French Atlantic coast and from the Azores, Portugal. In particular, a large population was recorded in Arcachon, France. Molecular analyses were made to confirm the validity of three closely related Ericthonius species: E. didymus, E. convexus and E. pugnax. An identification key is provided, distinguishing Ericthonius species into three groups, based on the presence or absence of stridulating ridges on coxa 2 and posterodistal lobe on basis of male pereopod 5.
- Type
- Research Article
- Information
- Journal of the Marine Biological Association of the United Kingdom , Volume 100 , Issue 3 , May 2020 , pp. 401 - 412
- Copyright
- Copyright © Marine Biological Association of the United Kingdom 2020
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