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Title: Reassessment of the groundwater amphipod Paramoera relicta synonymizes the genus Relictomoera with Paramoera (Crustacea: Amphipoda: Pontogeneiidae)
Authors: Nakano, Takafumi
Tomikawa, Ko
Author's alias: 中野, 隆文
Keywords: Japan
subterranean fauna
molecular phylogeny
Issue Date: Oct-2018
Publisher: Zoological Society of Japan
Journal title: Zoological Science
Volume: 35
Issue: 5
Start page: 459
End page: 467
Abstract: The systematic status of the stygobitic amphipod, Paramoera relicta Uéno, 1971, was revisited based on morphological examination of the paratypes, and molecular phylogenetic analyses using a newly collected specimen from its type locality. The paratypes clearly showed that this species does not possess the “sinusoid” antennal sinus in the head, which was erroneously described in the original description of this species; P. relicta is unquestionably classified within the genus Paramoera Miers, 1875. Molecular phylogenetic trees obtained with nuclear histone H3 and mitochondrial 16S rRNA demonstrated that P. relicta clearly belongs to the clade consisting of Paramoera species. Since the genus Relictomoera Barnard and Karaman, 1982 was erected according to the “sinusoid” characteristic of its type species P. relicta, this genus is no longer valid, and should be treated as a junior subjective synonym of Paramoera. One of the paratypes of P. relicta is herein designated as a neotype for the species to clarify its taxonomic status and emend the morphological characteristics of this pontogeneiid amphipod.
Rights: © 2018 Zoological Society of Japan
The full-text file will be made open to the public on 1 October 2019 in accordance with publisher's 'Terms and Conditions for Self-Archiving'
DOI(Published Version): 10.2108/zs180058
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