Links Diatoms - general The Diatom Home Page - hosted by Roger Sweets (Indiana Univeristy). Information of general interest to diatomists and other phycologists. Includes info on how to subscribe to the Diatom-L, the forum for discussion of all matters diatomaceous or siliceous. The International Society for Diatom Research - a source of information about the Society, its ideals, events, history and membership. The California Academy of Sciences, Diatom Collection - an ongoing project to present taxonomic information, images, records of collections, and references pertaining to diatoms. Stunning diatom images - hosted by accomplished Dutch photomicrographer Wim van Egmond who specialises in microscopy of small water-borne creatures using a variety of advanced contrast-enhancing techniques. Some of the best diatom images you'll ever see! Have a look around the rest of his site for some other surprises! Useful software - hosted by Steve Juggins (Newcastle). Software for a wide range of uses in Environmental and Earth Sciences. Diatoms.co.uk - hosted by Klaus Kemp (Microlife Services), specialist in diatom microslides and diatom arrangements. Incredible artistry, incredible patience, an incredibly steady hand! Don't miss this one! Check out our favourite - the Christmas trees! Diatoms - marine Marine Diatom Index - hosted by Ivo Grigorov (SOC). A virtual photo library for marine diatoms, including descriptions ecology & distributional information, reference lists and links to complementary sites. Chaetoceros and Bacteriastrium - hosted by Jan Rines (Rhode Island). Diatoms-Nature's Gems - hosted by Hans Schrader (Bergen). Information on all things diatom. In the news: The Thalassiosira pseudonana (marine diatom) genome help can tell us why diatoms are so successful in marine environments The rise of Rhizosolenid diatoms Diatoms - freshwater, and general palaeolimnology The Paleolimnology Home Page - hosted by Roger Sweets (Indiana Univeristy). Information for those interested in and/or practicing paleolimnology. The Algal Image Laboratory at BGSU - 185+ digitised images of mostly freshwater diatoms. Contains links to both marine and freshwater diatom resources. European Diatom Database (EDDI) - at University College London and Newcastle University. A web-based system of diatom training sets, ecological and taxonomic information, diatom images and transfer functions for performing environmental reconstructions from fossil assemblages. ADIAC: Automatic Diatom Identification and Classification - hosted by the Royal Botanic Garden Edinburgh and University of Algarve. A pilot study concerning the application of image processing and pattern recognition tools to the automisation of diatom identification by computer processing. Radiolarians Radiolaria.org - an online database containing information about radiolarians - fossil and recent, with images, descriptions, references, synonyms and links to other online resources. Includes PDF downloads of 'Radiolaria' the newsletter of the International Association of Radiolarian Paleontologists. Interrad - International Association of Radiolarian Paleontologists. Includes information on membership and meetings. The Rad Page - hosted by Fabrice Cordey (Lyon). Information about Radiolarians, their occurrences and techniques for their study. Rad World - hosted by Catherine Nigrini, Jean Pierre Caulet & Annika Sanfilippo. A relational database designed to provide information about the taxonomy, and geographical and stratigraphical distribution of all described genera and species of Radiolaria from the Paleozoic through the Cenozoic.