BIXBY, R.J. & JAHN, R. Hannaea arcus (Ehrenberg) R.M. Patrick:
lectotypification and nomenclatural history. 219-226
BIXBY, R.J., EDLUND, M.B. & STOERMER, E.F. Hannaea superiorensis 227-240
sp. nov., an endemic diatom from the Laurentian Great Lakes.

CONGESTRI, R., COX, E.J., CAVACINI, P. & ALBERTANO, P. Diatoms 241-255
(Bacillariophyta) in phototrophic biofilms colonising an Italian wastewater
treatment plant.

CUBIZOLLE, H., SERIEYSSOL, K.K. & ARGANT, J. Diatom and pollen 257-273
evidence of Holocene vegetation dynamics and human impact on the Virennes
Fenland (French Massif Central).

GARCIA, M. Araphid psammic diatoms from Brazilian sandy beaches I: an 275-280
emended description to genus Pravifusus Witkowski, Lange-Bertalot &
Metzeltin.
HAMILTON, P.B. & JAHN, R. Typification of Navicula affinis Ehrenberg: 281-294
type for the name of the genus Neidium Pfitzer.

JAHN, R. & KUSBER, W.-H. Reinstatement of the genus Ceratoneis 295-304
Ehrenberg and lectotypification of its type specimen: C. closterium
Ehrenberg.

JAHN, R., STERRENBURG, F.A.S. & KUSBER, W-H. Typification and 305-311
taxonomy of Gyrosigma fasciola (Ehrenberg) J.W. Griffith et Henfrey.
NEJADSATTARI, T. The diatom flora of Lake Neure, Iran. 313-333

REICHARDT, E. Gomphonema dubravicense Pantocsek eine taxonomische 335-349
Revision.

SUTO, I. Taxonomy and biostratigraphy of the fossil marine diatom
resting spore genera Dicladia Ehrenberg, Monocladia Suto and
Syndendrium Ehrenberg in the North Pacific and Norwegian Sea. 351-374

TOYODA, K., COX, E.J., SIMS, P.A. & WILLIAMS, D.M. The typification 375-386
of Achnanthes Bory based on Echinella stipitata Lyngbye, with an
account of the morphology and fine structure of Lyngbye's species.

VELEZ, M.1., HOOGHIEMSTRA, H. & METCALFE, S. Fossil and modern 387-407
diatom assemblages from the savanna lake El Pinal, Colombia: an
environmental reconstruction.
NOTE:
GRACHEV, M., SHERBAKOVA, T., MASYUKOVA, Y. & LIKHOSHWAY, Y. 409-411
A potential zinc-binding motif in silicic acid transport
proteins of diatoms.
REVIEWS 413-415
OBITUARY:
Norman Ingram Hendea (1903-2004) 417-424