Actinia hemispherica Pennant, 1777 accepted as Actinia equina (Linnaeus, 1758) (original description)
Actinia pedunculata Gaertn. accepted as Aulactinia verrucosa (Pennant, 1777) accepted as Bunodactis verrucosa (Pennant, 1777) (original description)
Actinia pedunculata Pennant, 1777 accepted as Cereus pedunculatus (Pennant, 1777) (original description)
Actinia pentapetala Pennant accepted as Metridium dianthus (Ellis, 1768) (additional source)
Actinia sulcata Pennant, 1777 accepted as Anemonia sulcata (Pennant, 1777) (original description)
Actinia verrucosa Pennant, 1777 accepted as Aulactinia verrucosa (Pennant, 1777) accepted as Bunodactis verrucosa (Pennant, 1777) (original description)
Aphrodita annulata Pennant, 1777 (original description)
Aphrodita lepidota minuta Pennant, 1777 accepted as Harmothoe imbricata (Linnaeus, 1767) (original description)
Aphrodita pedunculata Pennant, 1777 accepted as Lepidonotus squamatus (Linnaeus, 1758) (original description)
Astacus bamffius Pennant, 1777 accepted as Munida rugosa (Fabricius, 1775) (original description)
Astacus serratus Pennant, 1777 accepted as Palaemon serratus (Pennant, 1777) (original description)
Asterias bifida Pennant, 1777 accepted as Antedon bifida (Pennant, 1777) (original description)
Asterias clathrata Pennant, 1777 accepted as Asterias rubens Linnaeus, 1758 (original description)
Asterias gibbosa Pennant, 1777 accepted as Asterina gibbosa (Pennant, 1777) (original description)
Asterias helianthemoides Pennant, 1777 accepted as Crossaster papposus (Linnaeus, 1767) (original description)
Asterias hispida Pennant, 1777 accepted as Leptasterias (Leptasterias) muelleri celtica A.M. Clark in Clark & Downey, 1992 (original description)
Asterias irregularis Pennant, 1777 accepted as Astropecten irregularis irregularis (Pennant, 1777) (original description)
Asterias oculata Pennant, 1777 accepted as Henricia oculata (Pennant, 1777) (original description)
Asterias pentaphylla Pennant, 1777 accepted as Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789) (original description)
Asterias placenta Pennant, 1777 accepted as Anseropoda placenta (Pennant, 1777) (original description)
Asterias spinosa Pennant, 1777 accepted as Marthasterias glacialis (Linnaeus, 1758) (original description)
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)
Cancer angulata Pennant, 1777 accepted as Goneplax rhomboides (Linnaeus, 1758) (original description)
Cancer aspera Pennant, 1777 accepted as Eurynome aspera (Pennant, 1777) (original description)
Cancer cassivelaunus Pennant, 1777 accepted as Corystes cassivelaunus (Pennant, 1777) (original description)
Cancer corrugatus Pennant, 1777 accepted as Polybius corrugatus (Pennant, 1777) (original description)
Cancer dorsettensis Pennant, 1777 accepted as Inachus dorsettensis (Pennant, 1777) (original description)
Cancer horridus Pennant, 1777 accepted as Lithodes maja (Linnaeus, 1758) (original description)
Cancer latipes Pennant, 1777 accepted as Portumnus latipes (Pennant, 1777) (original description)
Cancer platy-cheles Pennant, 1777 accepted as Porcellana platycheles (Pennant, 1777) (original description)
Cancer tetraodon Pennant, 1777 accepted as Pisa tetraodon (Pennant, 1777) (original description)
Cancer tuberosa Pennant, 1777 accepted as Ebalia tuberosa (Pennant, 1777) (original description)
Cancer velutinus Pennant, 1777 accepted as Necora puber (Linnaeus, 1767) (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 sensu Montagu, 1803 accepted as Callochiton septemvalvis (Montagu, 1803) (original description)
Chiton laevis Pennant, 1777 accepted as Tonicella rubra (Linnaeus, 1767) accepted as Boreochiton ruber (Linnaeus, 1767) (original description)
Chiton marginatus Pennant, 1777 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767) represented as Lepidochitona cinerea (Linnaeus, 1767) (original description)
Echinus cordatum Pennant, 1777 accepted as Echinocardium cordatum (Pennant, 1777) (original description)
Echinus cordatus Pennant, 1777 accepted as Echinocardium cordatum (Pennant, 1777) (original description)
Helix rufescens Pennant, 1777 accepted as Arianta arbustorum (Linnaeus, 1758) (original description)
Medusa purpurea Pennant, 1777 accepted as Aurelia aurita (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)
Ophiothrix fragilis var. pentaphyllum Pennant, 1777 accepted as Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789) (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)
Sabella rudis Pennant, 1777 (original description)
Sabella tubiformis Pennant, 1777 accepted as Lagis koreni Malmgren, 1866 (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 
United Kingdom Exclusive Economic Zone for Actinia hemispherica Pennant, 1777 
United Kingdom Exclusive Economic Zone for Actinia pedunculata Gaertn. 
United Kingdom Exclusive Economic Zone for Actinia sulcata Pennant, 1777 
United Kingdom Exclusive Economic Zone for Actinia verrucosa Pennant, 1777 

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

 Taxonomy

 for Sabella tubiformis Pennant, 1777

Not Sabellidae, instead belongs in Pectinariidae. Sabella tubiformis Pennant, 1777 was a name for a pectinariid ... [details]

 Type locality

 for Aphrodita pedunculata Pennant, 1777

off Brighton, United Kingdom [details]