Anomia ephippium var. pergibbosa Sacco, 1897 † (original description)
Anomia ephippium var. pseudopecten Sacco, 1897 † (original description)
Chlamys (Aequipecten) biarritzensis [sic] † accepted as Aequipecten biaritzensis (d'Archiac, 1846) † (basis of record)
Crassostrea Sacco, 1897 (additional source)
Cymbulostrea Sacco, 1897 † accepted as Crassostrea Sacco, 1897 (original description)
Dimya fragilis var. crassiplicata Sacco, 1897 † accepted as Dimya tenuiplicata (G. Seguenza, 1879) † (original description)
Exogyra (Aetostreon) eoparvula Sacco, 1897 † (original description)
Exogyra (Aetostreon) miotaurinensis Sacco, 1897 † (original description)
Exogyra (Aetostreon) miotaurinensis var. quatuorcostata Sacco, 1897 † (original description)
Exogyra (Aetostreon) miotaurinensis var. rugosella Sacco, 1897 † (original description)
Exogyra (Aetostreon) miotaurinensis var. simplex Sacco, 1897 † (original description)
Gryphaea (Pycnodonta) brongniarti var. expansior Sacco, 1897 † (original description)
Gryphaea (Pycnodonta) brongniarti var. oblongula Sacco, 1897 † (original description)
Gryphaea (Pycnodonta) brongniarti var. parvulina Sacco, 1897 † (original description)
Gryphaea (Pycnodonta) cochlear var. perelliptica Sacco, 1897 † (original description)
Gryphaea (Pycnodonta) cochlear var. taurotypica Sacco, 1897 † (original description)
Gryphaea (Pycnodonta) hoernesi var. dertoplana Sacco, 1897 † (original description)
Gryphaea (Pycnodonta) oligoradiata Sacco, 1897 † (original description)
Gryphaea (Pycnodonta) queteleti Sacco, 1897 † (original description)
Gryphaea (Pycnodonta) queteleti var. transiens Sacco, 1897 † (original description)
Monia aculeata var. substriolata Sacco, 1897 † (original description)
Monia patelliformis var. acostulata Sacco, 1897 † (original description)
Monia patelliformis var. percosticillata Sacco, 1897 † (original description)
Monia striata var. planulata Sacco, 1897 † (original description)
Monia tauraculeata Sacco, 1897 † (original description)
Monia tauraculeata var. colligens Sacco, 1897 † (original description)
Ostrea (Alectryonia) plicatula var. crassoplicata Sacco, 1897 † (original description)
Ostrea (Alectryonia) plicatula var. dertocrassa Sacco, 1897 † (original description)
Ostrea (Alectryonia) plicatula var. taurinensis Sacco, 1897 † (original description)
Ostrea (Alectryonia) proplicatula Sacco, 1897 † (original description)
Ostrea (Alectryonia) tauroparva Sacco, 1897 † (original description)
Ostrea (Cubitostrea) frondosa var. colligens Sacco, 1897 † (original description)
Ostrea (Cubitostrea) frondosa var. dertocaudata Sacco, 1897 † (original description)
Ostrea (Cubitostrea) frondosa var. percaudata Sacco, 1897 † (original description)
Ostrea (Cubitostrea) frondosa var. subfimbriata Sacco, 1897 † (original description)
Ostrea (Cymbulostrea) Sacco, 1897 † accepted as Crassostrea Sacco, 1897 (original description)
Ostrea (Gigantostrea) gigantica var. oligoplana Sacco, 1897 † (original description)
Ostrea (Gigantostrea) rarilamella var. oligappenninica Sacco, 1897 † (original description)
Ostrea (Ostreola) forskalii var. perrostrata Sacco, 1897 † (original description)
Ostrea (Ostreola) forskalii var. persaccellus Sacco, 1897 † (original description)
Ostrea (Ostreola) forskalii var. subcuccullata Sacco, 1897 † (original description)
Ostrea (Ostreola) forskalii var. undulatior Sacco, 1897 † (original description)
Ostrea cossmani var. oligoplicata Sacco, 1897 † (original description)
Ostrea cossmanni Sacco, 1897 † (original description)
Ostrea cossmanni var. oligolonga Sacco, 1897 † (original description)
Ostrea cymbula Lamarck, 1806 † accepted as Crassostrea cymbula (Lamarck, 1806) † (additional source)
Ostrea edulis var. cymbaeformis Sacco, 1897 † (original description)
Ostrea edulis var. dertoplana Sacco, 1897 † (original description)
Ostrea edulis var. excristata Sacco, 1897 † (original description)
Ostrea edulis var. intusplicata Sacco, 1897 † (original description)
Ostrea edulis var. oblongula Sacco, 1897 † (original description)
Ostrea edulis var. pseudocochlear Sacco, 1897 † (original description)
Ostrea edulis var. pseudoflabellula Sacco, 1897 † (original description)
Ostrea edulis var. taurolamellosa Sacco, 1897 † (original description)
Ostrea edulis var. tauroverrucosa Sacco, 1897 † (original description)
Ostrea neglecta var. caudatellata Sacco, 1897 † (original description)
Ostrea neglecta var. rugosella Sacco, 1897 † (original description)
Ostrea pusilla Brocchi, 1814 (status source)

Italy for Anomia ephippium var. pergibbosa Sacco, 1897 † 
Italy for Anomia ephippium var. pseudopecten Sacco, 1897 † 
Italy for Dimya fragilis var. crassiplicata Sacco, 1897 † 
Italy for Exogyra (Aetostreon) eoparvula Sacco, 1897 † 
Italy for Exogyra (Aetostreon) miotaurinensis Sacco, 1897 † 
Italy for Exogyra (Aetostreon) miotaurinensis var. quatuorcostata Sacco, 1897 † 
Italy for Exogyra (Aetostreon) miotaurinensis var. rugosella Sacco, 1897 † 
Italy for Exogyra (Aetostreon) miotaurinensis var. simplex Sacco, 1897 † 
Italy for Gryphaea (Pycnodonta) cochlear var. perelliptica Sacco, 1897 † 
Italy for Gryphaea (Pycnodonta) hoernesi var. dertoplana Sacco, 1897 † 
Italy for Gryphaea (Pycnodonta) oligoradiata Sacco, 1897 † 
Italy for Gryphaea (Pycnodonta) queteleti var. transiens Sacco, 1897 † 
Italy for Monia aculeata var. substriolata Sacco, 1897 † 
Italy for Monia patelliformis var. acostulata Sacco, 1897 † 
Italy for Monia patelliformis var. percosticillata Sacco, 1897 † 
Italy for Monia striata var. planulata Sacco, 1897 † 
Italy for Monia tauraculeata Sacco, 1897 † 
Italy for Monia tauraculeata var. colligens Sacco, 1897 † 
Italy for Ostrea (Alectryonia) plicatula var. crassoplicata Sacco, 1897 † 
Italy for Ostrea (Alectryonia) plicatula var. dertocrassa Sacco, 1897 † 
Italy for Ostrea (Alectryonia) plicatula var. taurinensis Sacco, 1897 † 
Italy for Ostrea (Alectryonia) proplicatula Sacco, 1897 † 
Italy for Ostrea (Alectryonia) tauroparva Sacco, 1897 † 
Italy for Ostrea (Cubitostrea) frondosa var. colligens Sacco, 1897 † 
Italy for Ostrea (Cubitostrea) frondosa var. percaudata Sacco, 1897 † 
Italy for Ostrea (Cubitostrea) frondosa var. subfimbriata Sacco, 1897 † 
Italy for Ostrea (Gigantostrea) gigantica var. oligoplana Sacco, 1897 † 
Italy for Ostrea (Gigantostrea) rarilamella var. oligappenninica Sacco, 1897 † 
Italy for Ostrea (Ostreola) forskalii var. perrostrata Sacco, 1897 † 
Italy for Ostrea (Ostreola) forskalii var. persaccellus Sacco, 1897 † 
Italy for Ostrea (Ostreola) forskalii var. subcuccullata Sacco, 1897 † 
Italy for Ostrea (Ostreola) forskalii var. undulatior Sacco, 1897 † 
Italy for Ostrea cossmani var. oligoplicata Sacco, 1897 † 
Italy for Ostrea cossmanni var. oligolonga Sacco, 1897 † 
Italy for Ostrea edulis var. cymbaeformis Sacco, 1897 † 
Italy for Ostrea edulis var. dertoplana Sacco, 1897 † 
Italy for Ostrea edulis var. intusplicata Sacco, 1897 † 
Italy for Ostrea edulis var. oblongula Sacco, 1897 † 
Italy for Ostrea edulis var. pseudocochlear Sacco, 1897 † 
Italy for Ostrea edulis var. pseudoflabellula Sacco, 1897 † 
Italy for Ostrea edulis var. taurolamellosa Sacco, 1897 † 
Italy for Ostrea edulis var. tauroverrucosa Sacco, 1897 † 
Italy for Ostrea neglecta var. caudatellata Sacco, 1897 †