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International Journal on Algae
SJR: 0.219 SNIP: 0.261 CiteScore™: 0.24

ISSN Imprimir: 1521-9429
ISSN On-line: 1940-4328

International Journal on Algae

DOI: 10.1615/InterJAlgae.v2.i3.110
pages 102-113

Late Cretaceous-Cenozoic history of the genus Pseudopodosira Jouse emend. Veksch. (Badllariophyta)

Z. I. Glezer
All-Russian Geological Institute, 74, SredniyPr., 199026 St. Petersburg, Russia
A. P. Olshtynskaya
Institute of Geological Sciences, NAS of Ukraine, 55-B Olesya Gonchara Str., Kiev 01601, Ukraine


Based on new data on morphology and evolution of fossil species of the genus Pseudopodosira Jouse emend. Veksch., two morphological types which include 7 morphological groups of species have been isolated within the genus. Evolutionary age-difference of features of certain species is revealed, stage nature in evolution of the genus is traced. Three species new for science are described.