WoRMS source details

Wang, Yueyun; Cheng, Hong; Wang, Chunsheng. (2021). A new eyeless species of Nicon (Annelida: Nereididae) from the deep Northwest Pacific Ocean. Acta Oceanologica Sinica. 40(12): 20-26.
422046
10.1007/s13131-021-1886-z [view]
Wang, Yueyun; Cheng, Hong; Wang, Chunsheng
2021
A new eyeless species of <i>Nicon</i> (Annelida: Nereididae) from the deep Northwest Pacific Ocean
Acta Oceanologica Sinica
40(12): 20-26
Publication
World Polychaeta Database (WPolyDb). Article is open access on the website of Acta Oceanologica Sinica of the Chinese Society for Oceanography
Available for editors  PDF available [request]
A new species of the nereidid annelid, genus Nicon Kinberg, 1866, from KIOST Seamount, Northwest Pacific deep water is described. Nicon is a genus characterized by lacking paragnaths or papillae on the pharynx and composed of nine species worldwide, distributed from shallow water to deep sea. Nicon ablepsia sp. nov. here described is characterized by the lack of eyes on the prostomium, prolonged tentacular cirri reaching to chaetiger 6, notochaetae homogomph spinigers, neurochaetae homogomph spinigers and heterogomph falcigers. Phylogenetic relationships of Nicon remain undetermined based on molecular data. In this study, we constructed molecular Maximum-Likelihood phylogenetic tree from 29 nereidid species based on four marker genes: mitochondrial 16S rRNA gene and cytochrome c oxidase subunit I (COI) gene; nuclear 18S rRNA gene and 28S rRNA gene. Our analysis suggest the Nicon is clustered within Nereidinae, and nereidinae is not recovered as monophyletic. A key to species of Nicon is provided.
Pacific Ocean
Abyssal, Deep-Sea
Molecular systematics, Molecular biology
Systematics, Taxonomy
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Date
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2022-02-03 11:55:34Z
created

Nicon Kinberg, 1865 (identification resource)
Nicon ablepsia Wang, Cheng & Wang, 2021 (original description)
Holotype RSIO B6416500072, geounit KIOST Seamount, identified as Nicon ablepsia Wang, Cheng & Wang, 2021
 Distribution

Northwest Pacific Ocean: KIOST Seamount. Known only from the type locality. [details]

 Etymology

"The specific name ablepsia comes from Latin and refers to the eyeless character of this new species" (Wang et al., ... [details]

 Habitat

On seamount at abyssal depth (2763 m), type of sediment not specified. [details]

 Type locality

KIOST Seamount, Northwest Pacific Ocean (13.3915°N, 149.8847°E), 2763 m. [details]