Aviculopecten beneckei Bittner, 1895 † accepted as Ornithopecten beneckei (Bittner, 1895) † (original description)
Aviculopecten esinensis Bittner, 1895 † accepted as Ornithopecten esinensis (Bittner, 1895) † (original description)
Botula cassiana Bittner, 1895 † accepted as Botulopsis cassiana (Bittner, 1895) † (original description)
Dimyodon richthofeni Bittner, 1895 † accepted as Atreta richthofeni (Bittner, 1895) † (original description)
Dimyopsis Bittner, 1895 † accepted as Atreta Etallon, 1861 † (original description)
Megalodon klipsteinii Bittner, 1895 † accepted as Neomegalodon klipsteinii (Bittner, 1895) † (original description)
Myophoria costulata Bittner, 1895 † (original description)
Myophoria kokeni Bittner, 1895 † (original description)
Myophoria solitaria Bittner, 1895 † (original description)
Myophoria woehrmanni Bittner, 1895 † accepted as Gruenewaldia woehrmanni (Bittner, 1895) † (original description)
Opis ladina Bittner, 1895 † (original description)
Opis laubei Bittner, 1895 † (original description)
Pecten (Leptochondria) tirolicus Bittner, 1895 † accepted as Leptochondria tirolica (Bittner, 1895) † (original description)
Pecten andreaei Bittner, 1895 † accepted as Leptochondria andreaei (Bittner, 1895) † (original description)
Pecten asperulatus Bittner, 1895 † accepted as Leptochondria asperulata (Bittner, 1895) † (original description)
Pecten badioticus Bittner, 1895 † accepted as Praechlamys badiotica (Bittner, 1895) † (original description)
Pecten constrictus Bittner, 1895 † accepted as Amphijanira constricta (Bittner, 1895) † (original description)
Pecten imparicostatus Bittner, 1895 † accepted as Chlamys imparicostata (Bittner, 1895) † (original description)
Pecten intercedens Bittner, 1895 † accepted as Chlamys intercedens (Bittner, 1895) † (original description)
Pecten janirula Bittner, 1895 † accepted as Amphijanira janirula (Bittner, 1895) † (original description)
Pecten landranus Bittner, 1895 † accepted as Amphijanira landrana (Bittner, 1895) † (original description)
Pecten multiradiatus Klipstein, 1845 † accepted as Daonella cassiana Mojsisovics, 1874 sensu Bittner, 1895 † accepted as Daonella kittli Krumbeck, 1924 † (source of synonymy)
Pecten nodulifer Bittner, 1895 † accepted as Granulochlamys nodulifera (Bittner, 1895) † (original description)
Pecten octoplicatus Bittner, 1895 † accepted as Oxypteria octoplicata (Bittner, 1895) † (original description)
Pecten subaequicostatus Bittner, 1895 † accepted as Bosniopecten subaequicostatus (Bittner, 1895) † (original description)
Pecten undiferus Bittner, 1895 † accepted as Entolium undiferum (Bittner, 1895) † (original description)
Plicatula imago Bittner, 1895 † accepted as Eoplicatula imago (Bittner, 1895) † (original description)
Pseudoplacunopsis Bittner, 1895 † (original description)
Pseudoplacunopsis affixa Bittner, 1895 † (original description)
Rhaetidia Bittner, 1895 † (original description)
Rhaetidia salomoni Bittner, 1895 † (original description)
Rhaetidia zittelii Bittner, 1895 † (original description)

Italy for Aviculopecten beneckei Bittner, 1895 † 
Italy for Aviculopecten esinensis Bittner, 1895 † 
Italy for Botula cassiana Bittner, 1895 † 
Italy for Dimyodon richthofeni Bittner, 1895 † 
Italy for Pecten (Leptochondria) tirolicus Bittner, 1895 † 
Italy for Pecten andreaei Bittner, 1895 † 
Italy for Pecten asperulatus Bittner, 1895 † 
Italy for Pecten badioticus Bittner, 1895 † 
Italy for Pecten constrictus Bittner, 1895 † 
Italy for Pecten imparicostatus Bittner, 1895 † 
Italy for Pecten intercedens Bittner, 1895 † 
Italy for Pecten janirula Bittner, 1895 † 
Italy for Pecten landranus Bittner, 1895 † 
Italy for Pecten nodulifer Bittner, 1895 † 
Italy for Pecten octoplicatus Bittner, 1895 † 
Italy for Pecten subaequicostatus Bittner, 1895 † 
Italy for Pecten undiferus Bittner, 1895 † 
Italy for Plicatula imago Bittner, 1895 † 
Italy for Pseudoplacunopsis affixa Bittner, 1895 †