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1 August 2014 Orthoseira limnopolarensis sp. nov. (Bacillariophyta), a New Diatom Species from Livingston Island (South Shetland Islands, Antarctica)
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Abstract

A new species of diatom, Orthoseira limnopolarensis, is described from a sediment core in Limnopolar Lake on Livingston Island, South Shetlands in the South Atlantic Ocean. The new species is distinctive in having an array of numerous (12–14) carinoportulae, a number of clearly defined rimoportulae which are described here for the first time in the genus, and a valve face surface that is covered with small, irregularly scattered spines. Linking spines are less well-developed than is generally observed in species of the genus Orthoseira. No caverns or internal undulations are present. Internal valves have not been encountered.

© 2014 Adac. Tous droits réservés
Bart Van de Vijver and Richard M. Crawford "Orthoseira limnopolarensis sp. nov. (Bacillariophyta), a New Diatom Species from Livingston Island (South Shetland Islands, Antarctica)," Cryptogamie, Algologie 35(3), 245-257, (1 August 2014). https://doi.org/10.7872/crya.v35.iss3.2014.245
Published: 1 August 2014
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