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- Title
Diversity and distribution of North Atlantic Lepechinellidae (Amphipoda: Crustacea).
- Authors
Lörz, Anne-Nina; Brix, Saskia; Jażdżewska, Anna M; Hughes, Lauren Elizabeth
- Abstract
North Atlantic lepechinellid amphipod species were investigated using morphological and molecular techniques based on material collected during two IceAGE expeditions in 2011 and 2013 (Ice landic marine A nimals: G enetics and E cology). The presence of eyes is reported for the first time for the family Lepechinellidae. Four lepechinellid species, Lepechinella grimi , L. helgii , L. skarphedini and Lepechinelloides karii were distinct across morphological, COI and 16S data. Lepechinella arctica , L. norvegica and L. victoriae were seen to be morphologically similar. No morphological or molecular separation was observed between L. arctica and L. norvegica , indicating that these taxa should not be considered separate species. Full illustrations of habitus and mouthparts are presented for L. arctica and a new synonymy is provided recognizing L. norvegica as a junior synonym of L. arctica. While L. victoriae shows little morphological variation from L. arctica , COI and 16S data show this taxon as genetically distinct. Furthermore, new geographic and depth ranges for North Atlantic and Arctic lephechinellids are provided.
- Subjects
AMPHIPODA; CRUSTACEA; SYNONYMS; SPECIES; ONTOGENY
- Publication
Zoological Journal of the Linnean Society, 2020, Vol 190, Issue 4, p1095
- ISSN
0024-4082
- Publication type
Article
- DOI
10.1093/zoolinnean/zlaa024