Registry of World Record Size Shells
Largest species

Registry of World Record Size Shells

Section Title: Largest species
Table Section Text: None

Species†	Family†	Class	World record size (mm)

Kuphus polythalamia	Teredinidae	Bivalvia	1532.0‡

Tridacna gigas	Cardiidae	Bivalvia	1368.7‡

Pinna nobilis	Pinnidae	Bivalvia	970.0

Syrinx aruanus	Melongenidae	Gastropoda	772.0

Tridacna derasa	Cardiidae	Bivalvia	621.0

Pleuroploca gigantea	Fasciolariidae	Gastropoda	616.0

Pinna rugosa	Pinnidae	Bivalvia	590.0

Melo amphora	Volutidae	Gastropoda	550.0

Pinna bicolor	Pinnidae	Bivalvia	550.0

Turbinella angulata	Turbinellidae	Gastropoda	496.0

Adelomelon beckii	Volutidae	Gastropoda	494.5

Charonia tritonis	Ranellidae	Gastropoda	490.0

Tridacna squamosa	Cardiidae	Bivalvia	476.0

Siliquaria ponderosa	Siliquariidae	Gastropoda	467.0

Hippopus porcellanus	Cardiidae	Bivalvia	463.0

Serpulorbis medusae	Vermetidae	Gastropoda	460.0

Melo miltonis	Volutidae	Gastropoda	455.0

Melo umbilicatus	Volutidae	Gastropoda	450.0

Atrina vexillum	Pinnidae	Bivalvia	445.0

Brechites giganteus	Clavagellidae	Bivalvia	437.5

Hippopus hippopus	Cardiidae	Bivalvia	435.0

Atrina vexillum	Pinnidae	Bivalvia	432.0

Tutufa bardeyi	Bursidae	Gastropoda	427.0

Pleuroploca gigantea reevei	Fasciolariidae	Gastropoda	426.0

Hemifusus colosseus	Melongenidae	Gastropoda	423.0

Atrina maura	Pinnidae	Bivalvia	422.0

Pinna rudis	Pinnidae	Bivalvia	421.0

Atrina pectinata	Pinnidae	Bivalvia	420.0

Lambis truncata	Strombidae	Gastropoda	419.0

Hemifusus tuba	Melongenidae	Gastropoda	418.9

Turbinella laffertyi	Turbinellidae	Gastropoda	418.9

Livonia nodiplicata	Volutidae	Gastropoda	415.0

Busycon sinistrum	Melongenidae	Gastropoda	413.5

Hemifusus crassicaudus	Melongenidae	Gastropoda	410.0

Cassis cornuta	Cassidae	Gastropoda	410.0

Cassis madagascariensis spinela	Cassidae	Gastropoda	409.6

Pleuroploca princeps	Fasciolariidae	Gastropoda	404.0

Turbinella scolymoides	Turbinellidae	Gastropoda	404.0

Melo broderipii	Volutidae	Gastropoda	402.5

Charonia lampas	Ranellidae	Gastropoda	395.5

Pinna carnea	Pinnidae	Bivalvia	395.0

Charonia tritonis variegata	Ranellidae	Gastropoda	385.0

Cymbium glans	Volutidae	Gastropoda	385.0

Adelomelon riosi	Volutidae	Gastropoda	382.0

Strombus goliath	Strombidae	Gastropoda	380.0

Melo melo	Volutidae	Gastropoda	378.0

Livonia mammilla	Volutidae	Gastropoda	372.0

Fusinus caparti	Fasciolariidae	Gastropoda	370.0

Melo aethiopica	Volutidae	Gastropoda	370.0

Melo georginae	Volutidae	Gastropoda	363.0

Cymbiola magnifica	Volutidae	Gastropoda	361.0

Pinctada maxima	Pteriidae	Bivalvia	359.3

Crassostrea gigas	Ostreidae	Bivalvia	357.0

Lambis truncata sebae	Strombidae	Gastropoda	355.0

Strombus gigas	Strombidae	Gastropoda	352.4

Magilus antiquus	Coralliophilidae	Gastropoda	347.0

Crassostrea gigas laperousii	Ostreidae	Bivalvia	344.0

Fusinus forceps	Fasciolariidae	Gastropoda	344.0

Pinna incurva	Pinnidae	Bivalvia	344.0

Chicoreus ramosus	Muricidae	Gastropoda	342.0

Lambis chiragra	Strombidae	Gastropoda	342.0

Atrina rigida	Pinnidae	Bivalvia	340.0

Fusinus longissimus	Fasciolariidae	Gastropoda	340.0

Tutufa bubo	Bursidae	Gastropoda	337.0

Turbinella pyrum	Turbinellidae	Gastropoda	335.0

Tibia fusus	Strombidae	Gastropoda	329.0

Tridacna maxima	Cardiidae	Bivalvia	329.5

Spondylus varius	Spondylidae	Bivalvia	323.3

Charonia weisbordi	Ranellidae	Gastropoda	323.0

Charonia lampas sauliae	Ranellidae	Gastropoda	322.0

Pteria penguin	Pteriidae	Bivalvia	322.0

Tenagodus obtusus	Siliquariidae	Gastropoda	321.0

Cymbium tritonis	Volutidae	Gastropoda	319.5

Cymbiola imperialis robinsona	Volutidae	Gastropoda	316.0

Tonna galea	Tonnidae	Gastropoda	315.0

Fusinus undatus	Fasciolariidae	Gastropoda	314.0

Malleus albus	Malleidae	Bivalvia	314.0

Haliotis rufescens	Haliotidae	Gastropoda	313.0

Cassis tessellata	Cassidae	Gastropoda	312.0

Cymbium senegalensis	Volutidae	Gastropoda	311.0

Atrina serrata	Pinnidae	Bivalvia	310.0

Brechites veitchi	Clavagellidae	Bivalvia	310.0

Adelomelon simulatrix	Volutidae	Gastropoda	307.0

Tonna melanostoma	Tonnidae	Gastropoda	307.0

Tonna olearium	Tonnidae	Gastropoda	307.0

Pinna muricata	Pinnidae	Bivalvia	305.0

Charonia lampas rubicunda	Ranellidae	Gastropoda	300.9

Cassis tuberosa	Cassidae	Gastropoda	300.8

Argonauta argo	Argonautidae	Cephalopoda	300.0

† Binomial names and families are those given in the fifth edition of the registry, published in 2008; they may not agree with more recent classifications.

Sentence(s)

The fourth largest species, and the largest of all gastropods, is Syrinx aruanus with a maximum length of 772.0 mm.

final_sentence: The fourth largest species, and the largest of all gastropods, is Syrinx aruanus with a maximum length of 772.0 mm.