Buccinum minutum Pennant, 1777 accepted as Nassarius incrassatus (Strøm, 1768) accepted as Tritia incrassata (Strøm, 1768) (original description)
Bulla cylindracea Pennant, 1777 accepted as Cylichna cylindracea (Pennant, 1777) (original description)
Bulla patula Pennant, 1777 accepted as Xandarovula patula (Pennant, 1777) (original description)
Chiton crinitus Pennant, 1777 accepted as Acanthochitona crinita crinita (Pennant, 1777) accepted as Acanthochitona crinita (Pennant, 1777) (original description)
Chiton laevis Pennant, 1777 accepted as Tonicella rubra (Linnaeus, 1767) accepted as Boreochiton ruber (Linnaeus, 1767) (original description)
Chiton laevis Pennant, 1777 sensu Montagu, 1803 accepted as Callochiton septemvalvis (Montagu, 1803) (original description)
Chiton marginatus Pennant, 1777 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767) represented as Lepidochitona cinerea (Linnaeus, 1767) (original description)
Helix rufescens Pennant, 1777 accepted as Arianta arbustorum (Linnaeus, 1758) (original description)
Murex acuminatus Pennant, 1777 accepted as Bittium reticulatum (da Costa, 1778) (original description)
Murex carinatus Pennant, 1777 accepted as Neptunea despecta (Linnaeus, 1758) (original description)
Murex costatus Pennant, 1777 accepted as Mangelia costata (Pennant, 1777) (original description)
Mya declivis Pennant, 1777 accepted as Mya arenaria Linnaeus, 1758 (original description)
Mya dubia Pennant, 1777 accepted as Rocellaria dubia (Pennant, 1777) (original description)
Mytilus curtus Pennant, 1777 accepted as Modiolus modiolus (Linnaeus, 1758) (original description)
Mytilus incurvatus Pennant, 1777 accepted as Modiolus barbatus (Linnaeus, 1758) (original description)
Mytilus pellucidus Pennant, 1777 accepted as Mytilus edulis Linnaeus, 1758 (original description)
Mytilus umbilicatus Pennant, 1777 accepted as Modiolus modiolus (Linnaeus, 1758) (original description)
Patella depressa Pennant, 1777 (original description)
Patella intorta Pennant, 1777 accepted as Ansates pellucida (Linnaeus, 1758) accepted as Patella pellucida Linnaeus, 1758 (original description)
Patella lacustris Linnaeus, 1758 accepted as Acroloxus lacustris (Linnaeus, 1758) (basis of record)
Patella laevis Pennant, 1777 accepted as Patella pellucida Linnaeus, 1758 (original description)
Pecten laevis Pennant, 1777 accepted as Palliolum tigerinum (O. F. Müller, 1776) (original description)
Pecten obsoletus Pennant, 1777 accepted as Palliolum tigerinum (O. F. Müller, 1776) (original description)
Pecten subrufus Pennant, 1777 accepted as Aequipecten opercularis (Linnaeus, 1758) (original description)
Pholas parva Pennant, 1777 accepted as Barnea parva (Pennant, 1777) (original description)
Pinna fragilis Pennant, 1777 accepted as Atrina fragilis (Pennant, 1777) (original description)
Pinna ingens Pennant, 1777 accepted as Atrina fragilis (Pennant, 1777) (original description)
Solen pellucidus Pennant, 1777 accepted as Phaxas pellucidus (Pennant, 1777) (original description)
Tellina carnaria Linnaeus, 1758 sensu Pennant, 1777 accepted as Limecola balthica (Linnaeus, 1758) accepted as Macoma balthica (Linnaeus, 1758) (basis of record)
Tellina cornubiensis Pennant, 1777 accepted as Irus irus (Linnaeus, 1758) (original description)
Tellina crassa Pennant, 1777 accepted as Arcopagia crassa (Pennant, 1777) (original description)
Tellina depressa Pennant, 1777 accepted as Gari depressa (Pennant, 1777) (original description)
Tellina trifasciata Linnaeus, 1758, sensu Pennant, 1777 accepted as Tellina donacina Linnaeus, 1758 accepted as Moerella donacina (Linnaeus, 1758) (basis of record)
Trochus exasperatus Pennant, 1777 accepted as Jujubinus exasperatus (Pennant, 1777) (original description)
Turbo albus Pennant, 1777 (original description)
Turbo duplicatus Linnaeus, 1758 accepted as Turritella duplicata (Linnaeus, 1758) (additional source)
Turbo laevis Pennant, 1777 accepted as Eulima glabra (da Costa, 1778) (original description)
Turbo terebra Linnaeus, 1758 accepted as Turritella terebra (Linnaeus, 1758) (additional source)
Turbo tuberculatus Pennant, 1777 (original description)
Turbo ulvae Pennant, 1777 accepted as Peringia ulvae (Pennant, 1777) (original description)
Turritella communis Risso, 1826 accepted as Turritellinella tricarinata (Brocchi, 1814) (additional source)
Turritella torulosa Kiener, 1843 (additional source)
Venus ovata Pennant, 1777 accepted as Timoclea ovata (Pennant, 1777) (original description)
Venus rhomboides Pennant, 1777 accepted as Polititapes rhomboides (Pennant, 1777) (original description)
Venus rugosa Pennant, 1777 accepted as Chamelea striatula (da Costa, 1778) (original description)
Venus sinuosa Pennant, 1777 accepted as Mysia undata (Pennant, 1777) (original description)
Venus undata Pennant, 1777 accepted as Mysia undata (Pennant, 1777) (original description)

Northumberland Coast for Turbo tuberculatus Pennant, 1777 

English great-clawed crab [from synonym] for Cancer platy-cheles Pennant, 1777