Subgenus (Flexopecten) F. Sacco, 1897
(3-7-8-3-4-10-G4-0-20-7-0-0-0-0) Syn. (Glabropecten) F. Sacco, 1897 Ref. Lindner, 1977 p 103 [see also as Genus] flexuosa (G. S. Poli, 1795) (3-7-8-3-4-10-G4-0-20-7-1-0-0-0) Ref. Lindner, 1977 pl 54 c
(3-7-8-3-4-10-G4-0-20-7-0-0-0-0) Syn. (Glabropecten) F. Sacco, 1897 Ref. Lindner, 1977 p 103 [see also as Genus]
flexuosa (G. S. Poli, 1795) (3-7-8-3-4-10-G4-0-20-7-1-0-0-0) Ref. Lindner, 1977 pl 54 c