Aulacoseira glubokoyensis sp nov (Bacillariophyceae), a new centric diatom from the Maritime Antarctic region

• Published in: Phytotaxa
• Main Authors: Jones Oaquim, Anna Beatriz, Moser, Gleyci A. O., Evangelista, Heitor, Vinicius Licinio, Marcus, Van de Vijver, Bart
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2017
• Subjects: Biology; Antarctic; King George Island; South Shetland Islands; Fildes; Fildes peninsula; Profound Lake; Antarc*
• Online Access: https://hdl.handle.net/10067/1473780151162165141

Abstract: A new centric diatom, Aulacoseira glubokoyensis sp. nov., is described from the Maritime Antarctic region. The morphology of the species is illustrated using detailed light and scanning electron microscopy observations. Its main discriminating features include the presence of typical irregularly shaped dendritic spines, at least two rimoportulae, marginal striae on the discus and a very large Ringleiste. The new species is compared to similar species worldwide. Aulacoseira glubokoyensis has only been observed in a sediment core taken from Profound Lake on the Fildes Peninsula (King George Island, South Shetland Islands).