(Number 1) May 2000

S. Alfinito & P. Cavacini - Navicula skuae sp. nov., a freshwater diatom from Continental Antarctica (pp. 1-9). L. Barillé & B. Cognie. Revival capacity of diatoms in bivalve pseudofaeces and faeces (pp. 11-17). S.A. Cohn & J.R. McGuire. Using diatom motility as an indicator of environmental stress; effects of toxic sediment elutriates (pp.19-29).  R.R. Dute, M.J. Sullivan & L.E. Shunnarah. The diatom assemblages of Ophrydium colonies from South Alabama (pp. 31-42). G.A. Fryxell. Nitzschia bicapitata (Bacillariophyceae) and related taxa from oceanic aggregations (pp. 43-73). E.E. Gaiser & J. Johansen. Freshwater diatoms from Carolina Bays and other isolated wetlands on the Atlantic coastal plain of South Carolina, U.S.A., with descriptions of seven  taxa new to science (pp. 75-130). M. Shiono. Three new species in the Thalassiosria trifulta group in Late Neogene sediments from the Northwest Pacific Ocean (pp. 131-148).  H. Tanaka. Stephanodiscus komoroensis sp. nov., a new Pleistocene diatom from Central japan (pp. 149-157). B.M.Winsborough. Pleistocene diatoms from the 602,000 yr B:P: Lava Creeks B Ash (pp. 159-166).  A.A. Zalat. Distribution and paleoecological significance of fossil diatom assemblages from the Holocene sediments of Lake Manzala, Egypt (pp.167-190). Note: E. Reichardt. Das vorkommen von Amphora calumetica (B.W.Thomas ex Wolle) Perag. in Europa (pp. 191-193). 

(Number 2)  November 2000

E. Clavero, J O Grimalt & M Hernández-Mariné - The fine structure of two small Amphora species, A. tenerrima Aleem & Hustedt and A. tenuissima Hustedt. (pp 195-208). M B Edlund, N Soninkhishig, R M Williams & E F Stoermer - Morphology and taxonomy of Eunotia clevei. (pp 209-219). C Hellum von Quillfeldt - Pleurosigma tenuiforme spec. nov.; a marine Pleurosigma species with  long slender apices, occurring in Arctic regions (pp 221-236). I Jüttner, E J Cox & S J Ormerod - New or poorly known diatoms from Himalayan streams. (pp 237-262). R Ross & H Håkansson - Re-examination of the type material of Frustula ventricosa Agardh and F. operculata Agardh (Rhopalodia operculata (Agardh) Håkansson (pp 263-284). R Ross & P A Sims - A revision of Actinodiscus Greville, Craspedoporus Greville and related genera (Eupodiscaceae) (pp 285-345). M Shiono & I Koizumi - Taxonomy of the Thalassiosira trifultagroup in late Neogene sediments from the Northwest Pacific Ocean (347-374). P A Sims - The early history of the Biddulphiales. II. The genus Euodiella P A Sims gen. nov. (375-399). T A Sherbakova, N B Rubtsov, Y V Likhoshway & M A Grachev - Combined SEM ultrastructure studies and PCR with individual diatom cells (401-406). Notes: J C Kingston - New combinations in the freshwater Fragilariaceae and Achnanthidiaceae. (pp 407-409). N A Andresen, E F Stoermer & R G Kreis Jr - New nomenclatural combinations referring to diatom taxa which occur in The Laurentian Great Lakes of North America (pp 411-416). Reviews (pp 417-420).�