Placoneis gastrumv. signata Cox
Length:22.5

 Width :10

 Striae:12






























Collection 1279a

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Authority information

Placoneis gastrumv. signata Cox, E. J. Placoneis Mereschkowsky: The re-evalutation of a diatom genus originally characterized by its chloroplast type. Diatom Res. 2:145-157(Cox, E. J. 1987).

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This taxon has one unilateral stigma in the central area. This taxon and Placoneis gastrum are very similar with the difference being this taxon has a stigma and gastrum does not (Krammer and Lange-Bertalot 1986).




  • Synonyms
    Navicula gastrum v. signata Hustedt 1936 in Schmidt et al. 1874-__, 403/27-28 (Vanlandingham 1975).


  • Ecology
    According to Krammer and Lange-Betalot, this taxon does not have a specific ecological preference(Krammer and Lange-Bertalot 1986).

    Size ranges and morphology