Acteon subincisus Okutani, 1968 accepted as Punctacteon subincisus (Okutani, 1968) (additional source)
Antiplanes obesus Ozaki, 1958 (additional source)
Antiplanes yukiae (Shikama, 1962) (basis of record)
Bathybembix aeola (R. B. Watson, 1879) (additional source)
Bathytoma virgo (Okutani, 1966) (basis of record)
Buccinum bombycinum Dall, 1907 (additional source)
Buccinum yoroianum Ozaki, 1958 (basis of record)
Cocculina japonica Dall, 1907 (additional source)
Cocculina pacifica Kuroda & Habe, 1949 (additional source)
Crassispira takeokensis (Otuka, 1949) (basis of record)
Crenilabium pacificum (Kuroda & Habe, 1961) (additional source)
Cryptogemma japonica (Okutani, 1964) (new combination reference)
Euspira nux (Okutani, 1964) (basis of record)
Euspira plicispira (Kuroda, 1961) (basis of record)
Ginebis japonica (Dall, 1925) (basis of record)
Moelleriopsis nipponica (Okutani, 1964) (new combination reference)
Neadmete profundicola Okutani, 1964 (additional source)
Nepotilla nezi (Okutani, 1964) (basis of record)
Oenopota candida (Yokoyama, 1926) (basis of record)
Otukaia kiheiziebisu (Otsuka, 1939) (additional source)
Parancistrolepis kinoshitai (Kuroda, 1931) (additional source)
Phanerolepida transenna (R. B. Watson, 1879) (basis of record)
Propebela subtrophonoidea (Okutani, 1964) (basis of record)
Punctulum flavum (Okutani, 1964) (basis of record)
Retusa sakuraii (T. Habe, 1958) (basis of record)
Retusa toyamaensis (Habe, 1955) (source of synonymy)
Ringicula pilula Habe, 1950 (additional source)
Sagamilepeta sagamiensis (Kuroda & Habe, 1971) (basis of record)
Scaphander teramachii (T. Habe, 1954) (basis of record)
Solariella delicata Dall, 1919 (basis of record)
Solariella margaritifera (Okutani, 1964) (new combination reference)
Solariella tenuicollaris A. N. Golikov & Sirenko, 1998 (additional source)
Tachyrhynchus nomurai (Ozaki, 1958) (new combination reference)
Trochocerithium shikoense (Yokoyama, 1928) (basis of record)
Turbonilla corgani Okutani, 1968 (basis of record)