Ancylus elegans J. De C. Sowerby, 1826 † (original description)
Astarte bipartita J. De C. Sowerby, 1826 † accepted as Laevastarte bipartita (J. De C. Sowerby, 1826) † (original description)
Astarte imbricata J. De C. Sowerby, 1826 † (original description)
Astarte nitida J. De C. Sowerby, 1826 † (original description)
Astarte oblonga J. De C. Sowerby, 1826 † (original description)
Astarte striata J. De C. Sowerby, 1826 † (original description)
Cardium alaeforme J. De C. Sowerby, 1827 † (original description)
Corbula elegans J. De C. Sowerby, 1827 † (original description)
Corbula obscura J. De C. Sowerby, 1827 † (original description)
Corbula rotundata J. De C. Sowerby, 1827 † (original description)
Corbula striatula J. De C. Sowerby, 1827 † (original description)
Cyclas medius J. De C. Sowerby, 1826 † accepted as Neomiodon medius (J. De C. Sowerby, 1826) † (original description)
Cyclas membranaceus J. De C. Sowerby, 1826 † accepted as Filosina membranacea (J. De C. Sowerby, 1826) † (original description)
Cyclas pulcher J. De C. Sowerby, 1826 † accepted as Geloina pulchra (J. De C. Sowerby, 1826) † (original description)
Exogyra conica (J. Sowerby, 1813) † (basis of record)
Exogyra digitata (J. Sowerby, 1817) † (basis of record)
Exogyra haliotoidea (J. Sowerby, 1813) † (basis of record)
Exogyra laevigata J. De C. Sowerby, 1829 † (original description)
Exogyra undata J. De C. Sowerby, 1829 † (original description)
Gastrochaena tortuosa J. De C. Sowerby, 1826 † (original description)
Gervillia acuta J. De C. Sowerby, 1826 † (original description)
Gervillia solenoides J. A. Eudes-Deslongchamps, 1824 † (additional source)
Gryphaea maccullochii J. De C. Sowerby, 1827 † (original description)
Gryphaea minuta J. De C. Sowerby, 1827 † (original description)
Inoceramus digitatus J. De C. Sowerby, 1829 † (original description)
Inoceramus dubius J. De C. Sowerby, 1828 † (original description)
Inoceramus gryphaeoides J. De C. Sowerby, 1828 † (original description)
Inoceramus pictus J. De C. Sowerby, 1829 † (original description)
Inoceramus vetustus J. De C. Sowerby, 1828 † (original description)
Isocardia similis J. De C. Sowerby, 1826 † accepted as Tortarctica similis (J. De C. Sowerby, 1826) † (original description)
Limnea columellaris J. De C. Sowerby, 1826 † accepted as Radix pyramidalis columellaris (J. De C. Sowerby, 1826) † (original description)
Lucina antiquata J. De C. Sowerby, 1827 † (original description)
Lucina crassa J. De C. Sowerby, 1827 † (original description)
Lutraria carinifera J. De C. Sowerby, 1826 † (original description)
Lutraria oblata J. De C. Sowerby, 1826 † (original description)
Lutraria striata J. De C. Sowerby, 1826 † (original description)
Megalodon J. De C. Sowerby, 1827 † (original description)
Megalodon cucullatus J. De C. Sowerby, 1827 † (original description)
Melanopsis brevis J. De C. Sowerby, 1826 † accepted as Coptostylus brevis (J. De C. Sowerby, 1826) † (original description)
Melanopsis carinata J. De C. Sowerby, 1826 † (original description)
Murex smithii J. De C. Sowerby, 1827 † accepted as Priscoficus smithii (J. De C. Sowerby, 1827) † (original description)
Mya angustata J. De C. Sowerby, 1826 † (original description)
Mytilus affinis J. De C. Sowerby, 1826 † (original description)
Nucula amygdaloides J. De C. Sowerby, 1827 † (original description)
Nucula inflata J. De C. Sowerby, 1827 † (original description)
Nucula undulata J. De C. Sowerby, 1827 † (original description)
Pachymya J. De C. Sowerby, 1826 † (original description)
Pachymya (Pachymya) gigas J. De C. Sowerby, 1826 † represented as Pachymya gigas J. De C. Sowerby, 1826 † (original description)
Pachymya gigas J. De C. Sowerby, 1826 † (original description)
Paludina carinifera J. De C. Sowerby, 1826 † accepted as Viviparus cariniferus (J. De C. Sowerby, 1826) † (original description)
Paludina elongata J. De C. Sowerby, 1826 † accepted as Viviparus infracretacicus Huckriede, 1967 † (original description)
Pecten annulatus J. De C. Sowerby, 1826 † accepted as Camptochlamys obscura (J. Sowerby, 1818) † (original description)
Pecten complanatus J. De C. Sowerby, 1828 † (original description)
Pecten duplicatus J. De C. Sowerby, 1827 † (original description)
Pecten grandis J. De C. Sowerby, 1828 † (original description)
Pecten granosus J. De C. Sowerby, 1827 † (original description)
Pecten plicatus J. De C. Sowerby, 1827 † (original description)
Pecten vimineus J. De C. Sowerby, 1826 † accepted as Chlamys textoria (Schlotheim, 1820) † (original description)
Petricola laminosa J. De C. Sowerby, 1827 † (original description)
Pholadomya acuticostata J. De C. Sowerby, 1827 † (original description)
Pholadomya aequalis J. De C. Sowerby, 1827 † (original description)
Pholadomya angustata (J. Sowerby, 1822) † (basis of record)
Pholadomya deltoidea (J. Sowerby, 1818) † (basis of record)
Pholadomya fidicula J. De C. Sowerby, 1826 † (basis of record)
Pholadomya lirata (J. Sowerby, 1818) † (basis of record)
Pholadomya margaritacea (J. Sowerby, 1821) † (basis of record)
Pholadomya murchisoni J. De C. Sowerby, 1826 † (original description)
Pholadomya obtusa (J. Sowerby, 1818) † (basis of record)
Pholadomya ovalis (J. Sowerby, 1819) † (basis of record)
Pholadomya producta (J. Sowerby, 1818) † (basis of record)
Pholas compressa J. De C. Sowerby, 1829 † (original description)
Pholas priscus J. De C. Sowerby, 1828 † (original description)
Plagiostoma elongata J. De C. Sowerby, 1827 † (original description)
Potamomya J. De C. Sowerby, 1835 accepted as Erodona Bosc, 1801 (original description)
Rissoa duplicata J. De C. Sowerby, 1829 † accepted as Buvignieria duplicata (J. De C. Sowerby, 1829) † (original description)
Sanguinolaria gibbosa J. De C. Sowerby, 1827 † accepted as Gilbertsonia gibbosa (J. De C. Sowerby, 1827) † (original description)
Sanguinolaria undulata J. De C. Sowerby, 1827 † (original description)
Serpula ampullacea Sowerby, 1829 † (original description)
Trigonia angulata J. De C. Sowerby, 1826 † (original description)
Trigonia cuspidata J. De C. Sowerby, 1826 † (original description)
Trigonia imbricata J. De C. Sowerby, 1826 † accepted as Retetrigonia imbricata (J. de C. Sowerby, 1826) † (original description)
Trigonia nodosa J. De C. Sowerby, 1826 † accepted as Quadratotrigonia nodosa (J. De C. Sowerby, 1826) † (original description)
Trigonia pullus J. De C. Sowerby, 1826 † accepted as Cornbrashella pullus (J. de C. Sowerby, 1826) † (original description)
Trigonia spectabilis J. De C. Sowerby, 1826 † accepted as Neoquadratotrigonia spectabilis (J. De C. Sowerby, 1826) † (original description)
Unio aduncus J. De C. Sowerby, 1828 † (original description)
Unio antiquus J. De C. Sowerby, 1828 † (original description)
Unio compressus J. De C. Sowerby, 1828 † (original description)
Unio cordiformis J. De C. Sowerby, 1828 † accepted as Proparreysia cordiformis (J. De C. Sowerby, 1828) † (original description)
Unio porrectus J. De C. Sowerby, 1828 † (original description)
Unio solandri J. De C. Sowerby, 1826 † accepted as Palindonaia solandri (J. De C. Sowerby, 1826) † (original description)
Venus caperata J. De C. Sowerby, 1826 † (original description)
Venus faba J. De C. Sowerby, 1827 † (original description)
Venus ovalis J. De C. Sowerby, 1827 † (original description)
Venus parva J. De C. Sowerby, 1826 † (original description)
Vermiliopsis fluctuata (Sowerby, 1829) † (original description)