Odontidium andinum spec. nov. (Bacillariophyta) from Mendoza, Argentina

Marine benthic diatoms in the newly discovered coral reefs, off Basra coast, Southern Iraq

Three new Hantzschia species (Bacillariophyta) from the Maritime Antarctic Region

Sellaphora balashovae (Bacillariophyta), a new species from Siberian mountain Lake Frolikha (Baikal region), Russia

Pinnularia subcatenaborealis sp. nov. (Bacillariophyta) a new chain-forming diatom species from King George Island (Maritime Antarctica)

Two new Stauroneis species (Bacillariophyta, Stauroneidaceae) from midwestern karstic Brazilian formations

Sellaphora gologonica sp. nov. (Bacillariophyta, Sellaphoraceae), a new diatom species from a Mediterranean karst spring (Sardinia, Italy)

The morphology and molecular phylogenetics of some marine diatom taxa within the Fragilariaceae, including twenty undescribed species and their relationship to Nanofrustulum, Opephora and Pseudostaurosira

Diatoms associated with seaweeds from Moen Island in Chuuk Lagoon, Micronesia

Cocconeis kurakakea, a new diatom species from Nukutavake (Tuamotu Archipelago, South Pacific): description and comparison with C. diruptoides and C. pseudodiruptoides