This festschrift contains a collection of articles on the occasion of diatomist Richard M. Crawford's 80th birthday.
- Dick Crawford and the ultrastructure of dinoflagellates / Dodge, J. D. p. 1-2
- Dick Crawford 1966-1969, Birkbeck College, London University / Leadbeater, Barry S. C. p. 3-4,
- When a diatomist meets a physicist - timeline of a scientific friendship / Gebeshuber, Ille C. p. 5-7
- Lepochromulina bursa Scherffel (Chrysophyceae) from Michigan, with ultrastructural observations on the flagellar apparatus and lorica / Andersen, Robert A. p. 9-26
- Aulacoseira scala (Ehrenberg) comb. nov. - typification, morphology and biostratigraphic significance / Ognjanova-Rumenova, Nadja.; Buczkó, Krisztina; Pipik, Radovan; Jahn, Regine p. 27-41
- Microscopic investigation of Ellerbeckia arenaria forma teres (Brun) R.M. Crawford from Lake Baikal in culture / Bedoshvili, Ye. D.; Zakharova, Yu. R.; Volokitina, N. A.; Likhoshway, Ye. V. p. 43-54
- Cyclotella crawfordii - a new fossil diatom species from Lake Ohrid, North Macedonia / Levkov, Zlatko; Zaova, Dusica; Mitic-Kopanja, Danijela; Jovanovska, Elena; Cvetkoska, Aleksandra; Ognjanova-Rumenova, Nadja. p. 55-66
- Fine structural observation on the frustule of the genus Hydrosera with special emphasis on hitherto-unknown silicified structure / Idei, Masahiko; Toyoda, Kensuke; Osada, Keigo; Sato, Shinya p. 67-83
- Integrative taxonomic description of the marine species Cocconeis crawfordii (Bacillariophyceae) based on unialgal strains / Jahn, Regine; Abarca, Nélida; Al-Handal, Adil; Kusber, Wolf-Henning; Zimmermann, Jonas; Skibbe, Oliver p. 85-105
- New scanning electron microscopic evidence of valve features for Fallacia pygmaea (Kuetzing) Stickle & Mann (Bacillariophyceae) / Poulin, M.; Hamilton, P. B. p. 107-117
- Morphology and molecular phylogeny of Simonsenia (Bacillariophyceae) with description of three novel species from sandy marine coasts / Witkowski, A.; Kim, S.-Y.; Krzywda, M.; Górecka, E.; Kim, B.-S.; Choi, C.-H.; Park, J.-G.; Trobajo, R.; Mann, D. G.; Bak, M.; Peszek, L.; Lange-Bertalot, H. p. 119-139
- A new type of girdle band in Bacillariaceae / Mann, David G.; Wetzel, Carlos E.; Trobajo, Rosa p. 141-159
- Chaetoceros turingii sp. nov. (Bacillariophyceae): morphological and molecular description of a new species from the Gulf of Naples, Italy / Gaonkar, Chetan C.; Sarno, Diana; Montresor, Marina; Lange, Carina B.; Kooistra, Wiebe H. C. F. p. 161-171
- Morphology and taxonomy of the marine planktonic diatom Chaetoceros crawfordii sp. nov. (Bacillariophyceae) / Hernández-Becerril, David U. p. 173-182
- Morphology and taxonomy of marine planktonic diatoms of the genus Asteromphalus (Bacillariophyceae) in Antarctic waters and the Southwestern Atlantic Ocean / Ferrario, Martha E.; Cefarelli, Adrián O.; Fernandes, Luciano F.; Castaños, Cecilia; Hernández-Becerril, David U. p. 183-204
- Crawfordia gen. nov.: solving the riddle of Triceratium hardmannianum Grev. (Bacillariophyta) / Sims, Patricia A.; Witkowski, Jakub; César, Edgley A. p. 205-221
- On the morphology and phylogeny of the diatom species Rhizosolenia setigera: comparison of the type material to modern cultured strains, and a taxonomic revision / Medlin, Linda K.; Boonprakob, Atchaneey; Lundholm, Nina; Moestrup, Øjvind p. 223-247
- The diatom genus Monopsia Grove and Sturt: morphology, classification and a note on the relevance of fossil characters / Sims, Patricia A.; Williams, David M. p. 249-259
- Corethron unguiculatum: The name that vanished, with some remarks on the relationships of the genus / Williams, David M. p. 261-272
- Observations on Praecorethron crawfordii gen. et sp. nov. (Corethrales, Bacillariophyceae) from Upper Cretaceous marine sediments, southwest Pacific / Abe, Kenta; Lam, Daryl W.; Ashworth, Matt P.; Harwood, David M.; Jordan, Richard W. p. 273-314