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Diatom Research Volume 12, 1997 - Issue 1
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Original Articles

TERTIARIUS GEN. NOV., A NEW GENUS IN THE BACILLARIOPHYCEAE, THE TRANSFER OF SOME CYCLOTELLOID SPECIES AND A COMPARISON TO CLOSELY RELATED GENERA

Hannelore Hakansson Department of Quaternary Geology, University of Lund, Tornavagen 13, S-223 63, Lund, Sweden
&
Galina Khursevich Institute of Geological Sciences, Byelorussian Academy of Sciences, Zhodinskaya street 7, 220141, Minsk, Byelorussia
Pages 19-33 | Published online: 31 Oct 2011
 
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Abstract

In the Pantocsek Collection, slides with material from tertiary deposits include some cyclotelloid species belonging to the family Thalassiosiraceae. They are distinguished from other genera in the family by a combination of characters, some of them present in either Stephanodiscus, Cyclostephanos, Cyclotella or Pliocaenicus. There are, however, some morphological features which differentiate them from these genera and a new genus Tertiarius Håkansson et Khursevich, has been created. Cyclotella pygmaea Pantocsek and C. transilvanica Pantocsek var. transilvanica and C. transilvanica var. disseminatepunctata Pantocsek are transferred to this new genus.

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Related Research Data

Description of Conticribra tricircularis , a new genus and species of Thalassiosirales, with a discussion on its relationship to other continuous cribra species of Thalassiosira Cleve (Bacillariophyta) and its freshwater origin
Source: Informa UK Limited
Timing marine–freshwater transitions in the diatom order Thalassiosirales
Source: Cambridge University Press (CUP)
SPICATICRIBRA KINGSTONII, GEN. NOV. ET SP. NOV. (THALASSIOSIRALES, BACILLARIOPHYTA) FROM GREAT SMOKY MOUNTAINS NATIONAL PARK, U.S.A.
Source: Informa UK Limited
CATALOGUE OF THE DIATOM GENERA
Source: Informa UK Limited
Computer-Aided Facial Reconstruction of "Mary-Magdalene" Relics Following Hair and Skull Analyses.
Source: HAL CCSD
A compilation and evaluation of species in the general Stephanodiscus, Cyclostephanos and Cyclotella with a new genus in the family Stephanodiscaceae
Source: Informa UK Limited
Cyclotella iwatensis sp. nov. from Mio-Pliocene freshwater sediment, Iwate Prefecture, Japan
Source: Informa UK Limited
Étude préliminaire sur la présence de diatomées sur les lichens
Source: (:unav)

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