Description of <i>Elisesione imajimai</i> sp. nov. from Japan (Annelida: Hesionidae) and a Redescription of <i>E. problematica</i> (Wesenberg-Lund, 1950) and its confirmation within Hesionini. Jimi, N., Eibye-Jacobsen, D., & Salazar-Vallejo, S. Zoological studies, 57:8, February, 2018. doi abstract bibtex Elisesione imajimai sp. nov. is newly described based on specimens collected in Sagami Bay, Japan, at a depth of 150-250 m. This new species resembles E. problematica (Wesenberg-Lund, 1950) from Iceland, but differs because in E. imajimai sp. nov. the ventral cirri surpass the tips of the neurochaetal lobes, reaching to the medial part of the neurochaetal bundle; the palps are 1 /2-4 /5 as long as the antennae; the aciculae are pale brownish; and the dorsal integument shows 9-10 transverse wrinkles per segment, whereas in E. problematica the ventral cirri hardly reach the tips of the neurochaetal lobes; the palps are as long as the antennae; the aciculae are black; and there are 15 transverse wrinkles per segment. A morphological redescription of E. problematica based on its type material and a revised key to identify species in the genus are also provided. A phylogenetic analysis based upon four genes (COI, 16S, 18S, 28S) confirms its position within Hesionini.
@article{jimi_description_2018,
title = {Description of \textit{{Elisesione} imajimai} sp. nov. from {Japan} ({Annelida}: {Hesionidae}) and a {Redescription} of \textit{{E}. problematica} ({Wesenberg}-{Lund}, 1950) and its confirmation within {Hesionini}},
volume = {57},
shorttitle = {Description of {Elisesione} imajimai sp. nov. from {Japan} ({Annelida}},
doi = {10.6620/ZS.2018.57-08},
abstract = {Elisesione imajimai sp. nov. is newly described based on specimens collected in Sagami Bay, Japan, at a depth of 150-250 m. This new species resembles E. problematica (Wesenberg-Lund, 1950) from Iceland, but differs because in E. imajimai sp. nov. the ventral cirri surpass the tips of the neurochaetal lobes, reaching to the medial part of the neurochaetal bundle; the palps are 1 /2-4 /5 as long as the antennae; the aciculae are pale brownish; and the dorsal integument shows 9-10 transverse wrinkles per segment, whereas in E. problematica the ventral cirri hardly reach the tips of the neurochaetal lobes; the palps are as long as the antennae; the aciculae are black; and there are 15 transverse wrinkles per segment. A morphological redescription of E. problematica based on its type material and a revised key to identify species in the genus are also provided. A phylogenetic analysis based upon four genes (COI, 16S, 18S, 28S) confirms its position within Hesionini.},
journal = {Zoological studies},
author = {Jimi, Naoto and Eibye-Jacobsen, Danny and Salazar-Vallejo, Sergio},
month = feb,
year = {2018},
keywords = {論文},
pages = {8},
}
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