?Discinisca
under rock, intertidal rocky shore
Hiraiso, Hitachi Naka, Ibaraki, Japan
photo by Kazuyuki Yamada, 25 May 2013
Sony Cyber-shot DSC-WX100, Sony Marinepack MPK-WH
cf. Discinisca (?) rikuzenensis
Hatai 1940
187-188 pl.VIII fig.26 [fossil].
30 July 2013
Hatai, Kotora M. 1940
The Cenozoic Brachiopoda of Japan.
Science reports of the Tohoku Imperial University, 20: 1-413 pls.1-12.