Archaeocidaris McCoy, 1844 † (original description)
Bairdia M'Coy, 1844 (original description)
Bairdia (Bairdia) M'Coy, 1844 (original description)
Bairdia arcuata (M'Coy, 1844) Bassler & Kellett, 1934 † (original description)
Bairdia curtus M'Coy, 1844 † accepted as Bairdia curta M'Coy, 1844 † (original description)
Bairdia gracilis M'Coy, 1844 † (original description)
Bellerophon laevis F. McCoy, 1844 † (original description)
Cycloceras F. McCoy, 1844 † (original description)
Cycloceras laevigatum F. McCoy, 1844 † (original description)
Cypridina orbicularis (M'Coy, 1844) Bosquet, 1847 † accepted as Cythere orbicularis M'Coy, 1844 † (original description)
Cyrtoceras tuberculatum F. McCoy, 1844 † (original description)
Cythere (Bairdia) M'Coy, 1844 accepted as Bairdia M'Coy, 1844 (original description)
Cythere bituberculata M'Coy, 1844 † accepted as Kindlella bituberculata (M'Coy, 1844) Sohn, 1954 † (original description)
Cythere cornuta M'Coy, 1844 † (original description)
Cythere costata M'Coy, 1844 † accepted as  † (original description)
Cythere elongata M'Coy, 1844 † accepted as  † (original description)
Cythere excavata M'Coy, 1844 † (original description)
Cythere gibberula M'Coy, 1844 † (original description)
Cythere hibbertii M'Coy, 1844 † (original description)
Cythere impressa M'Coy, 1844 † (original description)
Cythere inflata M'Coy, 1844 † accepted as  † (original description)
Cythere inornata M'Coy, 1844 † accepted as  † (original description)
Cythere oblonga (M'Coy, 1844) Bassler & Kellett, 1934 † (original description)
Cythere orbicularis M'Coy, 1844 † (original description)
Cythere pusilla M'Coy, 1844 † (original description)
Cythere scutulum (M'Coy, 1844) Bassler & Kellett, 1934 † (original description)
Cythere scutulum M'Coy, 1844 † (original description)
Cythere spinigera M'Coy, 1844 † accepted as  † (original description)
Cythere trituberculata M'Coy, 1844 † accepted as Mauryella trituberculata (M'Coy, 1844) Bassler & Kellett, 1934 † (original description)
Delamarcythere (Delamarcythere) ancestralis M'Coy, 1844 † (original description)
Dolabra McCoy, 1844 † (original description)
Dolabra corrugata McCoy, 1844 † (original description)
Dolabra equilateralis McCoy, 1844 † (original description)
Dolabra gregaria McCoy, 1844 † (original description)
Dolabra orbicularis McCoy, 1844 † (original description)
Dolabra rectangularis McCoy, 1844 † (original description)
Dolabra securiformis McCoy, 1844 † (original description)
Euomphalus anguis M'Coy, 1844 † accepted as Straparollus dionysii Montfort, 1810 † (original description)
Glyptopleura costata (M'Coy, 1844) Harlton, 1927 † accepted as  † (original description)
Glyptopleura costata costata (M'Coy, 1844) Harlton, 1927 † accepted as  † (original description)
Isoculia McCoy, 1844 † (original description)
Isoculia corrugata McCoy, 1844 † (original description)
Jania antiqua M'Coy, 1844 † accepted as Cladochonus antiquus (M'Coy, 1844) † (original description)
Jania bacillaria M'Coy, 1844 † accepted as Cladochonus bacularis (M'Coy, 1844) † accepted as Cladochonus bacillaris (M'Coy, 1844) † (original description)
Jania crassa M'Coy, 1844 † accepted as Cladochonus crassus (M'Coy, 1844) † (original description)
Lacuna antiqua McCoy, 1844 † (original description)
Leptodomus F. McCoy, 1844 † (original description)
Leptodomus fragilis McCoy, 1844 † (original description)
Littorina pusilla McCoy, 1844 † (original description)
Loxonema brevis McCoy, 1844 † (original description)
Loxonema impendens McCoy, 1844 † (original description)
Loxonema polygyra McCoy, 1844 † (original description)
Loxonema pulcherrima McCoy, 1844 † (original description)
Loxonema sulcatula McCoy, 1844 † (original description)
Loxonema turrita McCoy, 1844 † (original description)
Macrocheilus canaliculatus McCoy, 1844 † (original description)
Macrocheilus fimbriatus McCoy, 1844 † (original description)
Macrocheilus ovalis McCoy, 1844 † (original description)
Macrocheilus tricinctus McCoy, 1844 † (original description)
Meleagrina laevigata McCoy, 1844 † accepted as Streblopteria laevigata (McCoy, 1844) † (original description)
Murchisonia quadricarinata McCoy, 1844 † accepted as Hypergonia quadricarinata (McCoy, 1844) † (original description)
Nautilus (Temnocheilus) F. McCoy, 1844 † accepted as Temnocheilus F. McCoy, 1844 † (original description)
Nautilus (Temnocheilus) coronatus F. McCoy, 1844 † (original description)
Nautilus (Temnocheilus) crenatus F. McCoy, 1844 † (original description)
Nautilus (Temnocheilus) furcatus F. McCoy, 1844 † (original description)
Nautilus (Temnocheilus) pinguis F. McCoy, 1844 † (original description)
Nautilus (Temnocheilus) porcatus F. McCoy, 1844 † (original description)
Orthoceras (Campyloceras) M'Coy, 1844 † accepted as Campyloceras McCoy, 1844 † (original description)
Orthoceras (Loxoceras) M'Coy, 1844 † (original description)
Orthoceras (Loxoceras) distans M'Coy, 1844 † (original description)
Orthoceras (Loxoceras) incomitatum M'Coy, 1844 † (original description)
Orthoceras (Trigonoceras) M'Coy, 1844 † accepted as Trigonoceras M'Coy, 1844 † (original description)
Orthoceras mucronatum M'Coy, 1844 † (original description)
Orthoceras sulcatulum M'Coy, 1844 † (original description)
Orthoceratidae F. McCoy, 1844 † (original description)
Orthoceratoidea F. McCoy, 1844 † (original description)
Paraparchites arcuatus (M'Coy, 1844) Bassler & Kellett, 1934 † (original description)
Pecten plicatus J. De C. Sowerby, 1827 † (additional source)
Pecten serratus McCoy, 1844 † (original description)
Pecten sowerbii McCoy, 1844 † accepted as Pernopecten sowerbii (F. McCoy, 1844) † (original description)
Phragmoceras flexistria F. McCoy, 1844 † (original description)
Platyschisma M'Coy, 1844 † (original description)
Platyschisma rotundatum F. Morris, 1845 † (original description)
Pleurotomaria griffithii M'Coy, 1844 † accepted as Tropidostropha griffithii (M'Coy, 1844) † (original description)
Poterioceras F. McCoy, 1844 † (original description)
Poterioceras ventricosum F. McCoy, 1844 † (original description)
Pteronites McCoy, 1844 † (original description)
Pteronites angustatus McCoy, 1844 † (original description)
Sedgwickia McCoy, 1844 † (original description)
Sedgwickia attenuata McCoy, 1844 † (original description)
Solenopsis McCoy, 1844 † accepted as Solenomorpha T. D. A. Cockerell, 1903 † (original description)
Solenopsis minor McCoy, 1844 † accepted as Solenomorpha minor (McCoy, 1844) † (original description)
Turbo spirata McCoy, 1844 † (original description)
Turritella megaspira McCoy, 1844 † accepted as Stylonema trochleatum (Münster, 1840) † (original description)
Unio ansticei J. De C. Sowerby, 1840 † accepted as Gilbertsonia ansticei (J. De C. Sowerby, 1840) † (additional source)
Venerupis cingulatus McCoy, 1844 † (original description)
Venerupis obsoletus McCoy, 1844 † (original description)
Venerupis scalaris McCoy, 1844 † (original description)

British Isles for Isoculia corrugata McCoy, 1844 † 
Ireland for Bellerophon laevis F. McCoy, 1844 † 
Ireland for Cycloceras laevigatum F. McCoy, 1844 † 
Ireland for Cyrtoceras tuberculatum F. McCoy, 1844 † 
Ireland for Dolabra corrugata McCoy, 1844 † 
Ireland for Dolabra equilateralis McCoy, 1844 † 
Ireland for Dolabra gregaria McCoy, 1844 † 
Ireland for Dolabra orbicularis McCoy, 1844 † 
Ireland for Dolabra rectangularis McCoy, 1844 † 
Ireland for Lacuna antiqua McCoy, 1844 † 
Ireland for Littorina pusilla McCoy, 1844 † 
Ireland for Loxonema impendens McCoy, 1844 † 
Ireland for Loxonema polygyra McCoy, 1844 † 
Ireland for Loxonema pulcherrima McCoy, 1844 † 
Ireland for Loxonema turrita McCoy, 1844 † 
Ireland for Macrocheilus canaliculatus McCoy, 1844 † 
Ireland for Macrocheilus fimbriatus McCoy, 1844 † 
Ireland for Macrocheilus ovalis McCoy, 1844 † 
Ireland for Macrocheilus tricinctus McCoy, 1844 † 
Ireland for Meleagrina laevigata McCoy, 1844 † 
Ireland for Nautilus (Temnocheilus) coronatus F. McCoy, 1844 † 
Ireland for Nautilus (Temnocheilus) crenatus F. McCoy, 1844 † 
Ireland for Nautilus (Temnocheilus) furcatus F. McCoy, 1844 † 
Ireland for Nautilus (Temnocheilus) pinguis F. McCoy, 1844 † 
Ireland for Nautilus (Temnocheilus) porcatus F. McCoy, 1844 † 
Ireland for Orthoceras (Loxoceras) distans M'Coy, 1844 † 
Ireland for Orthoceras (Loxoceras) incomitatum M'Coy, 1844 † 
Ireland for Orthoceras mucronatum M'Coy, 1844 † 
Ireland for Orthoceras sulcatulum M'Coy, 1844 † 
Ireland for Pecten serratus McCoy, 1844 † 
Ireland for Pecten sowerbii McCoy, 1844 † 
Ireland for Phragmoceras flexistria F. McCoy, 1844 † 
Ireland for Pleurotomaria griffithii M'Coy, 1844 † 
Ireland for Poterioceras ventricosum F. McCoy, 1844 † 
Ireland for Sedgwickia attenuata McCoy, 1844 † 
Ireland for Solenopsis minor McCoy, 1844 † 
Ireland for Venerupis cingulatus McCoy, 1844 † 
Ireland for Venerupis obsoletus McCoy, 1844 † 
Ireland for Venerupis scalaris McCoy, 1844 † 
New South Wales for Platyschisma rotundatum F. Morris, 1845 †