A fossil freshwater Thalassiosira, T. inlandica sp. nov. (Bacillariophyta), with semicontinuous cribra and elongated marginal fultoportulae

Tatsuya Hayashi, Yoshihiro Tanimura, Harutaka Sakai

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A fossil freshwater diatom species, Thalassiosira inlandica sp. nov., is described from Pleistocene lacustrine sediments of the Kathmandu Basin on the southern slope of the Nepal Himalaya. Thalassiosira inlandica is characterized by (1) a nonplicated (flat) valve face, (2) networks of ribs and costae, (3) semicontinuous cribra composed of the aggregate of many pore rows, (4) absence of valve face fultoportula, (5) elongated marginal fultoportulae, and (6) multiple rimoportulae in the mantle area. This new species is compared with allied taxa based on several morphological characters.

Original languageEnglish
Pages (from-to)353-362
Number of pages10
JournalPhycologia
Volume46
Issue number4
DOIs
Publication statusPublished - Jul 1 2007

All Science Journal Classification (ASJC) codes

  • Aquatic Science
  • Plant Science

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