Yuji Okimura (b. 1932), Hiroshima University professor emeritus, is a paleontologist and biostratigrapher of the Late Paleozoic smaller foraminifera. He presented a paleobiographic map for the Tethys-Sea area. He has been very active in popularising geological sciences.
Discovered on 1-11-1995 in Oizumi by Kobayashi, T.