International Nannoplankton Association (INA) - Semi-formal association of scientists worldwide who have an interest in living or fossil nannoplankton - including coccolithophores, nannoliths, and other nannofossils such as silicoflagellates and calcispheres. www.nhm.ac.uk/hosted_sites/ina
International Research Group on Ostracoda (IRGO) - An interdisciplinary, international organization of research scientists studying living and fossil Ostracoda. www.uh.edu/~rmaddock/IRGO/irgohome.html
North American Micropaleontology Section of the Society for Sedimentary Geology - NAMS promotes all aspects of micropaleontology through application, research and education dealing with morphology, biostratigraphy, ecology/paleoecology, and geologic history of all groups of microfossils occurring in the stratigraphic record. www.ig.utexas.edu/nams/nams.html
The Cushman Foundation - Founded for the purpose of publishing results of research on Foraminiferida and allied organisms. cushforams.niu.edu
The Pander Society - An international association of palaeontologists and stratigraphers with a common interest in the study of conodonts. www.le.ac.uk/geology/map2/pander/index.html