Amussiopecten akiyamae Masuda, 1962 † (original description)
Amussiopecten iitomiensis (Otuka, 1934) † (additional source)
Amussiopecten praesignis (Yokoyama, 1922) † (additional source)
Chlamys akahirensis Kanno, 1958 † (additional source)
Chlamys akitana (Yokoyama, 1926) † (basis of record)
Chlamys akutsui Masuda, 1962 † (original description)
Chlamys ashiyaensis (Nagao, 1928) † (basis of record)
Chlamys chinkopensis Masuda & Sawada, 1961 † (additional source)
Chlamys foeda (Yokoyama, 1926) † (basis of record)
Chlamys halimensis (Makiyama, 1923) † (basis of record)
Chlamys hanaishiensis Masuda, 1962 † accepted as Chlamys kinoshitai Kubota, 1950 † (original description)
Chlamys hasimotoi Masuda, 1962 † (original description)
Chlamys hatakeyamae Masuda, 1962 † (original description)
Chlamys imanishii Masuda & Sawada, 1961 † (additional source)
Chlamys ingeniosa (Yokoyama, 1929) † (basis of record)
Chlamys insolita (Yokoyama, 1925) † (basis of record)
Chlamys ishidae Masuda, 1962 † (original description)
Chlamys iwakiana (Yokoyama, 1925) † (basis of record)
Chlamys iwamurensis Itoigawa, 1955 † (basis of record)
Chlamys kaneharai (Yokoyama, 1926) † (additional source)
Chlamys kotakae Masuda, 1962 † (original description)
Chlamys kotorana Otuka, 1934 † (additional source)
Chlamys kumanodoensis Masuda, 1953 † (additional source)
Chlamys matsunoi Masuda, 1962 † (original description)
Chlamys meisensis (Makiyama, 1926) † (additional source)
Chlamys miyatokoensis (Nomura & Hatai, 1937) † (additional source)
Chlamys miyatokoensis matumori (Nomura & Hatai, 1937) † (basis of record)
Chlamys nagaoi Masuda, 1962 † (original description)
Chlamys nisataiensis Otuka, 1934 † (basis of record)
Chlamys onishibetsensis Kubota, 1951 † (additional source)
Chlamys osugii Kubota, 1950 † (additional source)
Chlamys otukae Masuda & Sawada, 1961 † (additional source)
Chlamys pilicaensis Kubota, 1950 † (additional source)
Chlamys rendoi Ozaki, 1958 † (additional source)
Chlamys sakitoensis (Nagao, 1928) † (basis of record)
Chlamys sendaiensis Masuda, 1962 † (original description)
Chlamys tamurae Masuda & Sawada, 1961 † (additional source)
Chlamys tanakai Akiyama, 1958 † (additional source)
Fortipecten kenyoshiensis Chinzei, 1960 † (additional source)
Fortipecten takahashii (Yokoyama, 1930) † (additional source)
Gloripallium izurensis Masuda, 1958 † (additional source)
Miyagipecten matsumoriensis Masuda, 1952 † (additional source)
Miyagipecten saromensis Hasimoto & Kanno, 1958 † (additional source)
Parvamussium kyushuense Shuto, 1960 † (additional source)
Pecten naganumanus Yokoyama, 1920 † (basis of record)
Placopecten nomurai Masuda, 1953 † (additional source)
Placopecten osawanoensis (Tsuda, 1959) † (additional source)
Placopecten protomollitus (Nomura, 1935) † (additional source)
Placopecten setanaensis (Kubota, 1950) † (additional source)
Propeamussium circularis Ômori, 1955 † (additional source)
Propeamussium tateiwai Kanehara, 1936 † (additional source)