Cocconeis tortilis: a new marine diatom (Bacillariophyta, Cocconeidaceae) from Japan
Gomphonema rajaguruii sp. nov., a new diatom (Bacillariophyceae) species from the Western Ghats, India
Planothidium africanum sp. nov., a new freshwater diatom (Bacillariophyta) species from Tanzania
A note on the specimens of Kittonia hannae ‘hannai’ (Bacillariophyta) figured in Long et al. (1946)
Taxonomy and ecology of Achnanthidium (Bacillariophyta, Achnanthidiaceae) from southeastern Brazil with the description of six new species
A new small-celled diatom from Brazil - Luticola minutissima sp. nov., with comparison to the type of the Antarctic L. neglecta Zidarova, Levkov & Van de Vijv
Punctastriata altera sp. nov. (Bacillariophyta, Fragilariophyceae), a diatom from the United States of America
Planothidum audax sp. nov. (Bacillariophyta, Achnanthidiaceae), a new diatom from temporary streams in southern Portugal