Genus: Species:
Unidentified sp. Pseudodifflugia ? μm Japan, 1998 Unidentified sp. μm Senjo-ga-hara Nikko Tochigi, 2003 Unidentified sp. μm Showa-machi g.p. Showa Saitama, 2003 Filosea ? μm Konpira bridge Shirakawa Fukushima, 2003