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Tanaella quintanai, a new deep-water tanaellid (Crustacea: Peracarida: Tanaidacea) from the Colombian Caribbean Coast, with a key to the species of the genus Tanaella Norman & Stebbing, 1886.

ABSTRACT: A new tanaidacean, Tanaella quintanai sp. nov., is described based on specimens collected from depths of 1,598 to 2,853 m during 2014-2015. The new species appears to be most closely related to the western Atlantic species, T. kroyeri and T. mclellandi. Tanaella quintanai can be separated from the two former, as well as from the other members of the genus by a combination of characters, including (1) a labium with apical lobe bearing one blunt seta (2) a cheliped with the inner margin of the dactylus bearing a sub-proximal bipinnate seta, (3) pereopods 1-3 with basis having sub-dorsoproximal and sub-ventroproximal margins setulose, (4) pereopods 4-6 with basis having ventroproximal margin setulose, (5) pereopods 4-6 with unguis bearing two parallel rows of small setules, and (6) a pleotelson as long as pleonites 1-5 combined. A key separating the currently recognized species of Tanaella is presented.

SUBMITTER: Morales-Nunez AG 

PROVIDER: S-EPMC6764364 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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<i>Tanaella quintanai</i>, a new deep-water tanaellid (Crustacea: Peracarida: Tanaidacea) from the Colombian Caribbean Coast, with a key to the species of the genus <i>Tanaella</i> Norman & Stebbing, 1886.

Morales-Núñez Andrés G AG   Ardila Néstor E NE  

PeerJ 20190924

A new tanaidacean, <i>Tanaella quintanai</i> sp. nov., is described based on specimens collected from depths of 1,598 to 2,853 m during 2014-2015. The new species appears to be most closely related to the western Atlantic species, <i>T. kroyeri</i> and <i>T. mclellandi</i>. <i>Tanaella quintanai</i> can be separated from the two former, as well as from the other members of the genus by a combination of characters, including (1) a <i>labium</i> with apical lobe bearing one blunt seta (2) a chelip  ...[more]

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