Cymbelloid diatoms from the River Adegoy, Krasnodar Territory, Russia, with a description of a new species Delicatophycus porosus sp. nov. (Cymbellaceae, Bacillariophyta)

Navicula fuxianturriformis sp. nov. (Bacillariophyceae), a new species from southwest China

Chamaepinnularia salina (Bacillariophyta), a new diatom species from French mineral springs (Massif Central)

Cymbopleura huohuaensis sp. nov. (Cymbellaceae; Bacillariophyceae), a new species from Sichuan Province, China

Expended range of Gomphonema firmum (Bacillariophyceae), once considered a Lake Baikal endemic, with notes on the identity of G. lanceolatum var. maximum

New species of Stenopterobia (Bacillariophyta) from Colombia and Peru, and new nomenclatural transfers in Iconella

New Amphicocconeis (Bacillariophyta) from Raivavae and Tahiti Islands (South Pacific) and Porto Belo (Brazil), with re-examination of Psammococconeis

Fragilaria irregularis sp. nov. a new araphid species (Fragilariaceae, Bacillariophyta) from the River Adegoy, Krasnodar Territory, Russia

Oricymba gongshanensis sp. nov. (Cymbellaceae; Bacillariophyceae), a new species from southwest China