Anomalinoides kotobukiensis Yasuda, 1986 † (original description)
Astacolus heitarozawensis Yasuda, 1986 † (original description)
Chilostomelloides yokichii Yasuda, 1986 † (original description)
Conorbina japonica Yasuda, 1986 † (original description)
Conorbina kamikomaensis Yasuda, 1986 † (original description)
Gavelinella utsunaiensis Yasuda, 1986 † (original description)
Haplophragmoides rugosus subsp. soyaensis Yasuda, 1986 † (original description)
Lenticulina hansthalmanni (Takayanagi, 1961) † (new combination reference)
Lenticulina sorachiensis (Takayanagi, 1960) † (new combination reference)
Marginulina shumaroensis Yasuda, 1986 † (original description)
Marginulina tombetsuensis Yasuda, 1986 † (original description)
Marginulinopsis kohkoae Yasuda, 1986 † (original description)
Psamminopelta takayanagii Yasuda, 1986 † (original description)
Pseudobaggina Yasuda, 1986 † (original description)
Pseudobaggina hokkaidoana Yasuda, 1986 † (original description)
Quadrimorphina trilobata Yasuda, 1986 † (original description)
Saracenaria ezoensis Yasuda, 1986 † (original description)