Hiroyuki Tanaka and Tamotsu Nagumo

Diatom, 27:1-8.
[Abstract] [J-STAGE]

Aulacoseira iwakiensis sp. nov., a new elliptical Aulacoseira species, from an Early Miocene sediment, Japan

Oriha Ishii, Hidekazu Suzuki, Tamotsu Nagumo and Jiro Tanaka

Diatom, 27:9-16.
[Abstract] [J-STAGE]

A new brackish diatom, Pinnularia sakurajimensis O.Ishii & Ji.Tanaka from Japan.

Keita Kawamura, Itsuki Suto and Yukio Yanagisawa

Diatom, 27: 17-32.
[Abstract] [J-STAGE]

Diatom biostratigraphy of the middle Miocene Oidawara Formation in the Mizunami area, Gifu Prefecture, central Japan. (in Japanese)

Yukio Yanagisawa

Diatom, 27: 33-45.
[Abstract] [J-STAGE]

Diatom biostratigraphy of the lower Miocene Yunagaya Group, Joban area, Japan. (in Japanese)

Fumika Ban, Hiroshi Sato and Hiroshi Furutani

Diatom, 27: 46-51.
[Abstract] [J-STAGE]

[note] The occurrence of Pseudopodosira kosugii from the Pleistocene marine clay layer Ma11 in the Osaka sedimentary basin. (in Japanese)

Hiroyuki Tanaka and Eiichi Kitabayashi

Diatom, 27: 52-57.
[Abstract] [J-STAGE]

[note] Freshwater Centric Diatoms from Yoshino Formation (Middle Pleistocene), Kumamoto Prefecture, Japan. (in Japanese)

Tamie Suzawa, Satoquo Seino and Shigeki Mayama

Diatom, 27: 58-64.
[Abstract] [J-STAGE]

[note] Blooms of Cymbella janischii (A.W.F.Schmidt) De Toni accompanied by Gomphoneis minuta (Stone) Kociolek & Stoermer from the upper stream of the Chikugo River, Kyushu, Japan: possibility of new alien diatom species. (in Japanese)

Akihiro Tuji

Diatom, 27: 65-68.
[Abstract] [J-STAGE]

[note] Appearance of Didymosphenia geminata (Lyngb.) Mart.Schmidt in Japan. (in Japanese)

Tsuyoshi Watanabe, Akiko Ueda, Yudai Akaboshi and Noboru Katano

Diatom, 27: 69-74.
[Abstract] [J-STAGE]

[note] Diatoms in Akita Prefecture, northern part of Japan, part 3 -Diatoms from the hot spring of Oyasukyo gorge. (in Japanese)

Tsuyoshi Watanabe, Akiko Ueda, Yudai Akaboshi and Noboru Katano

Diatom, 27: 75-78.
[Abstract] [J-STAGE]

[note] Diatoms in Akita Prefecture, northern Japan, part 4- Diatoms and water quality in the Kosaka River, and high concentrations of heavy metals. (in Japanese)

Tsuyoshi Watanabe, Akiko Ueda, Yudai Akaboshi and Noboru Katano

Diatom, 27: 79-85.
[Abstract] [J-STAGE]

[note] Diatoms in Akita Prefecture, northern part of Japan, part 5- Diatom assemblage from a drainage waterway (LD-G1) in Hachirogata polder. (in Japanese)

Takashi Chiba and Toshihiko Sugai

Diatom, 27: 86-89.
[J-STAGE]

[short note] An experiment to collect diatom assemblages on the shallow sea bottom easily. (in Japanese)