Aequipecten (Plagioctenium) Dall, Bartsch & Rehder, 1938 accepted as Argopecten Monterosato, 1889 (basis of record)
Aequipecten (Plagioctenium) demiurgus (Dall, 1898) † accepted as Argopecten demiurgus (Dall, 1898) † (basis of record)
Aequipecten (Plagioctenium) maturensis (Maury, 1925) † accepted as Leptopecten maturensis (Maury, 1925) † (basis of record)
Aequipecten (Plagioctenium) rutamensis P. Jung, 1969 † accepted as Leptopecten rutamensis (P. Jung, 1969) † (original description)
Chlamys (Plagioctenium) reedsi H. E. Vokes, 1938 † accepted as Argopecten demiurgus (Dall, 1898) † (source of synonymy)
Crassispira (Crassispirella) ritanida (Mansfield, 1925) † represented as Crassispira ritanida (Mansfield, 1925) † (basis of record)
Eupleura lehneri P. Jung, 1969 † (original description)
Pecten (Pecten) archon Maury, 1925 † represented as Pecten archon Maury, 1925 † (additional source)
Risomurex galbensis P. Jung, 1969 † accepted as Zetecopsis galbensis (P. Jung, 1969) † (original description)

Trinidad for Eupleura lehneri P. Jung, 1969 † 
Trinidad-Tobago for Aequipecten (Plagioctenium) rutamensis P. Jung, 1969 †