TAKAHASHI, Kiyoshi
1964 (June 30)
Microplankton from the Asagai formation in the Joban coal-field
Trans. & Proc. Palaeontol. Soc. Japan, ser. 2,
54: 201-214, pls. 30-33

[Fukushima Prefecture, Japan; Oligocene; incl. n.spp. in Micrhystridium, Baltisphaeridium, Cymatiosphaera, Leiosphaeridia] [EJ]

Keyboarded taxa: 9