Dataset Information

Sinularia polydactyla (Ehrenberg, 1834) (Cnidaria, Octocorallia) re-examined, with the description of a new species.

ABSTRACT: Sinularia polydactyla (Ehrenberg, 1834) is re-described and a lectotype assigned. This led to examination of related material from various Indo-Pacific regions. Consequently, Sinularia levi sp. n. is described from Eilat, Israel (Gulf of Aqaba, northern Red Sea) and Sinularia compressa Tixier-Durivault, 1945 and Sinularia candidula Verseveldt and Benayahu, 1983 are synonymized with Sinularia polydactyla. Additional specimens identified in the literature as Sinularia polydactyla are provisionally reassigned to other taxa.

SUBMITTER: van Ofwegen LP

PROVIDER: S-EPMC4857042 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Sinularia polydactyla (Ehrenberg, 1834) (Cnidaria, Octocorallia) re-examined, with the description of a new species.

van Ofwegen Leen P LP McFadden Catherine S CS Benayahu Yehuda Y

ZooKeys 20160414 581

Sinularia polydactyla (Ehrenberg, 1834) is re-described and a lectotype assigned. This led to examination of related material from various Indo-Pacific regions. Consequently, Sinularia levi sp. n. is described from Eilat, Israel (Gulf of Aqaba, northern Red Sea) and Sinularia compressa Tixier-Durivault, 1945 and Sinularia candidula Verseveldt and Benayahu, 1983 are synonymized with Sinularia polydactyla. Additional specimens identified in the literature as Sinularia polydactyla are provisionally ...[more]

PMID: 27199582

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Project description:Explorations of seamounts in the Western Pacific Ocean and South China Sea resulted in collecting 18 specimens of golden gorgonians. Based on the morphology and the genetic analysis of mtMutS, they are described as one new species, Chrysogorgia carolinensis sp. nov., and four known species, including Chrysogorgia dendritica Xu, Zhan & Xu, 2020, Metallogorgia melanotrichos (Wright & Studer, 1889), Metallogorgia macrospina Kükenthal, 1919, and Pseudochrysogorgia bellona Pante & France, 2010. Chrysogorgia carolinensis belongs to the Chrysogorgia "group A, Spiculosae" with rods or spindles distributed in the polyp-body wall and tentacles, and differs from all of its congeners except C. dendritica by the 1/3L branching sequence and amoeba-shaped sclerites at the basal polyp body. The mtMutS sequence of C. carolinensis sp. nov. has six deletion mutations compared to those of its congeners, supporting the establishment of the new species. Although no genetic variability was observed between the closely related species C. dendritica and C. abludo Pante & Watling, 2012, the former is different from the latter by the apparently irregular sclerites in the polyp body wall. The two specimens of Metallogorgia melanotrichos match well with the original description except for relatively larger polyps, while the M. macrospina specimens have slightly smaller polyps than the holotype. The juvenile of Metallogorgia has an obvious morphological difference with the adults in the colony shape and branches, but they can be unified by the same polyps and sclerites as well as mitochondrial MutS sequences. Thus, the generic diagnosis of Metallogorgia is slightly extended to include the morphology of juveniles. The morphology of Pseudochrysogorgia bellona Pante & France, 2010, as a new record for the South China Sea, matches well with that of the original description. In the phylogenetic trees, the Chrysogorgia species are separated into two clades, and while Metallogorgia and Pseudochrysogorgia formed a sister clade.

Dataset Information

Sinularia polydactyla (Ehrenberg, 1834) (Cnidaria, Octocorallia) re-examined, with the description of a new species.

Publications

Sinularia polydactyla (Ehrenberg, 1834) (Cnidaria, Octocorallia) re-examined, with the description of a new species.

Similar Datasets

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