Seiichi Komura

Diatom, 21:1-46.
[J-STAGE]

New marine diatoms from the Miocene Abuzuru Formation, the Miura Peninsula, central Japan.

Hiroyuki Tanaka and Tamotsu Nagumo

Diatom, 21:47-56.
[J-STAGE]

Puncticulata ozensis sp. nov., a new freshwater diatom in Lake Oze, Japan.

Akihiro Tuji and David M. Williams

Diatom, 21: 57-60.
[J-STAGE]

Observation of the type materials for Eunotia pectinalis (Kutz.) Rabenh. var. pectinalis and Eunotia pectinalis var. undulata (Ralfs) Rabenh.

Shigeki Mayama

Diatom, 21:61-70.
[J-STAGE]

A novel approach to the popularization of diatomology: An exhibition of diatoms, presented as a fusion of science and art (4).

Yuko Fujita and Taisuke Ohtsuka

Diatom, 21:71-90.
[J-STAGE]

Diatoms from paddy fields in northern Laos.

Takashi Terasaka, Tamotsu Nagumo and Jiro Tanaka

Diatom, 21:91-106.
[J-STAGE]

Distribution and morphology of four common species of the marine pennate diatom genus Licmophora C.Agardh in Japan (in Japanese).

Akio Nigorikawa and Yasuo Hasegawa

Diatom, 21:107-118.
[J-STAGE]

Diatom assemblages of Lake Obuchi-numa, Aomori Prefecture, northeast Japan (in Japanese).

Hiroyuki Tanaka, Tamotsu Nagumo and Kaoru Kashima

Diatom, 21:119-130.
[J-STAGE]

Fossil freshwater diatoms from Tsumori Formation (Middle Pleistocene) in Mashiki Town, Kumamoto Prefecture, Kyushu, Japan (in Japanese).

Kensuke Toyoda and David M. Williams

Diatom, 21:131-134.
[J-STAGE]

[Note] A proposal to designate a lectotype for Achnanthes smithiana (Grev.) comb. nov.

Shigehiko Arita and Taisuke Ohtsuka

Diatom, 21:135-142.
[J-STAGE]

[Note] Describing the valve outlines of pennate diatoms using the arc-constitutive model (in Japanese).