The Cushman Foundation - Founded for the purpose of publishing results of research on Foraminiferida and allied organisms.

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.

International Research Group on Ostracoda (IRGO) - An interdisciplinary, international organization of research scientists studying living and fossil Ostracoda.

The Pander Society - An international association of palaeontologists and stratigraphers with a common interest in the study of conodonts.

British Micropalaeontological Society - Organization of micropaleontology workers in the U.K.