_Pecten novaeguineae_, T. Woods. Cainozoic (?Lower Pliocene), Yule Island, Papua. _Ostrea manubriata_, Tate. Cainozoic (Kal.): Victoria. _Glycimeris halli_, Pritch. Cainozoic (Kal.): Victoria. _Limopsis beaumariensis_, Chapm. Cainozoic (Kalimnan and Werrikooian): Victoria. _Trigonia howitti_, McCoy. Cainozoic (Kal.): Victoria. _Meretrix paucirugata_, Tate sp. Cainozoic (Kal.): Victoria. _Venus (Chione) subroborata_, Tate, sp. Cainozoic (Kal.): Victoria and South Australia. SCAPHOPODA. _Dentalium tenuissimum_, de Koninck. Mid. Devonian: New South Wales. _Dentalium huttoni_, Bather. Jurassic: New Zealand. _Dentalium wollumbillensis_, Eth. fil. L. Cretaceous: Queensland. _Dentalium, mantelli_, Zittel. Cainozoic: Victoria, S. Australia and New Zealand. POLYPLACOPHORA. _Chelodes calceoloides_, Eth. fil. Silurian: New South Wales. _Ischnochiton granulosus_, Ashby and Torr sp. Cainozoic (Balc.): Victoria. _Lorica duniana_, Hull. Cainozoic (Janjukian): Tasmania. _Cryptoplax pritchardi_, Hall. Cainozoic (Kal.): Victoria. GASTEROPODA. _Ophileta subangulata_, Tate. Cambrian: S. Australia. _Platyceras etheridgei_, Tate. Cambrian: S. Australia. _Salterella planoconvexa_, Tate. Cambrian: S. Australia. _Salterella hardmani_, Foord. Cambrian: W. Australia. _Hyolithes communis_, Billings. Cambrian: S. Australia. _Scenella tenuistriata_, Chapm. Cambrian (Upper): Victoria. _Ophileta gilesi_, Tate. Ordovician: S. Australia. _Raphistoma browni_, Tate. Ordovician: S. Australia. _Hyolithes leptus_, Chapm. Lower Ordovician: Victoria. _Helicotoma johnstoni_, Eth. fil. Ordovician: Tasmania. _Coleolus (?) aciculum_, J. Hall. Silurian (Melb.): Victoria. _Hyolithes spryi_, Chapm. Silurian (Melb.): Victoria. _Conularia ornatissima_, Chapm. Silurian (Melb.): Victoria. _Phanerotrema australis_, Eth. fil. Silurian (Yer.): Victoria. _Gyrodoma etheridgei_, Cressw. sp. Silurian (Yer.): Victoria. _Trematonotus pritchardi_, Cressw. Silurian (Yer.): Victoria. _Bellerophon cresswelli_, Eth. fil. sp. Silurian (Yer.) Victoria. _Euomphalus northi_, Eth. fil. sp. Silurian (Yer.): Victoria. _Cyclonema australis_, Eth. fil. Silurian (Yer.): Victoria. _Trochonema montgomerii_, Eth. fil. sp. Silurian: Tasmania. _Bellerophon jukesii_, de Koninck. Silurian: New South Wales. _Conularia sowerbii_, Defrance. Silurian: Victoria and New South Wales. _Euomphalus culleni_, Dun. Devonian: New South Wales. _Gosseletina australis_, Eth. fil. Carboniferous: New South Wales. _Yvania konincki_, Eth. fil. Carboniferous: New South Wales; and Carbopermian: Queensland. _Bellerophon costatus_, Sow. Carbopermian: W. Australia. _Mourlonia humilis_, de Koninck. Carbopermian: West Australia and New South Wales. _Pleurotomaria (Ptychomphalina) morrisiana_, McCoy. Carbopermian: New South Wales.