Toxisarcon taimyr sp. nov., a new large monothalamous foraminifer from the Kara Sea inner shelf.

Voltski, Ivan, Korsun, Sergei and Pawlowski, Jan (2014) Toxisarcon taimyr sp. nov., a new large monothalamous foraminifer from the Kara Sea inner shelf. Marine Biodiversity, 44 (2). pp. 213-221. DOI 10.1007/s12526-014-0204-9.

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Abstract

A large monothalamous foraminiferan, Toxisarcon taimyr sp. nov., has been isolated from the benthic samples from the Kara Sea inner shelf near the mouth of Yenisey river estuary, at a depth of 50–100 m. In its overall morphology, the new species closely resembles T. synsuicidica, one of the two species of Toxisarcon described to date. It possesses a large irregularly shaped cell body, covered by a thin layer of a fibrous organic coating. Numerous reticulopodia typically extend from all over the cell surface; the species is very motile and rapidly changes cell shape. Long and thick reticulopodial bundles form in the direction of movement. In the phylogenetic tree based on partial small-subunit ribosomal DNA (SSU rDNA) sequences, T. taimyr branches together with the two other known species of Toxisarcon within the clade C of monothalamous foraminifera.

Document Type: Article
Keywords: Foraminifera; Rhizaria; Protist; Arctic; Benthos; Biodiversity; Freshwater & Marine Ecology; Plant Systematics/Taxonomy/Biogeography; Animal Systematics/Taxonomy/Biogeography
Refereed: Yes
DOI etc.: 10.1007/s12526-014-0204-9
ISSN: 1867-1616
Projects: Otto Schmidt Laboratory
Date Deposited: 23 Apr 2015 10:26
Last Modified: 23 Apr 2015 10:26
URI: http://oceanrep.geomar.de/id/eprint/28603

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