class

Bivalvia

Bivalvia is a class in the phylum Mollusca. This database currently files 29,151 species under it, 2 of them threatened, recorded across 3 countries.

Species filed: 29,151
Threatened: 2
Countries recorded: 3
With a free photo: 0%
Weight range: Not recorded

What is in Bivalvia?

The 200 largest of 583 orders filed directly under this class.

Venerida
ocean quahog, asian clam, qahog, hamaguri …
4,183 species
Cardiida
giant clam, common cockle, lagoon cockle, maxima clam …
3,405 species
Pectinida
scallop, great scallop, quin, iceland scallop …
3,276 species
Unionida
freshwater pearl mussel, swan mussel, common river mussel, duck mussel …
2,885 species
Arcida
blood clam, noah's ark, turkey wing, combshell …
1,743 species
Trigoniida
brooch clam, Acanomyphoria tuberosa, Acanthotrigonia borgesi, Acanthotrigonia cazadoriana …
1,446 species
Lucinida
tiger lucine, pennsylvania lucine, divaricate lucine, punctate lucine …
1,148 species
Ostreida
native oyster, common oyster, pacific pearl-oyster, rock oyster …
1,075 species
Nuculanida
beaked nutclam, arctic nut clam, thin nutclam, arctic yoldia …
1,038 species
Mytilida
blue mussel, mediterranean mussel, green mussel, date shell …
881 species
Myalinida
Abakaniella globosa, Abakaniella jangotoika, Abakaniella magna, Abakaniella obrutschewi …
612 species
Nuculida
common nut clam, smooth nutclam, shiny nutclam, small nut shell …
478 species
Hippuritida
Agria garumnica, Agriopleura blumenbachi, Agriopleura carinata, Agriopleura libanica …
454 species
Limida
flame shell, spiny lima, disco clam, fragile file shell …
434 species
Adapedonta
geoduck, pod razor, grooved razor clam, razor shell …
335 species
Cuspidariidae
common cuspidaria, precious cardiomya, obese dipperclam, balboa cardiomya …
321 species
Dreissenidae
zebra mussel, quagga mussel, black-striped mussel, south dinaric cave clam …
312 species
Crassatellidae
beautiful crassatella, lunate crassinella, pointed crassinella, martinique crassinella …
306 species
Inoceramidae
Actinoceramus concentricus, Actinoceramus nipponicus, Actinoceramus salomoni, Actinoceramus sulcatus …
245 species
Actinodontida
Actinodonta acuta, Actinodonta carinata, Actinodonta cuneata, Actinodonta obliqua …
208 species
Astartidae
sulcate astarte, tiny astarte, wavy astarte, compact astarte …
207 species
Megalodontida
Agelasina plenodonta, Ambocardia delta, Ambocardia planidorsata, Ampezzania subovata …
150 species
Corbulidae
brackish-water corbula, basket shell, contracted corbula, yellow basket clam …
148 species
Pholadidae
common piddock, white piddock, angel wing, striate piddock …
146 species
Carditidae
purple cockle, old cardita, two-toned cardita, raoul’s false-cockle …
139 species
Cyrtodontida
Alena pustulosa, Algerina algena, Algerina chaubetae, Algerina cocco …
135 species
Modiomorphida
Aleodonta burei, Allodesma elegantulum, Allodesma subellipticum, Ataviaconcha wendti …
130 species
Neomiodontidae
Costocyrena hojiensis, Costocyrena matsumotoi, Costocyrena mifunensis, Costocyrena minor …
123 species
Thraciidae
paper thracia, convex lantern-shell, pubescent thracia, elegant bushclam …
123 species
Corbula
rose corbula, basket clam, Anisocorbula crassa, Anisocorbula lineata …
115 species
Solemyida
swimming clam, west indian awningclam, toga awningclam, pacific awningclam …
114 species
Teredinidae
great shipworm, big-ear shipworm, deep-cleft shipworm, puerto rico shipworm …
114 species
Condylocardiidae
tiny condylclam, rough false cockle, cape false cockle, elegant false-cockle …
101 species
Myidae
steamer, clam, california softshell, boring softshell …
93 species
Sanguinolitidae
Alula squamulifera, Chaenomya dushanensis, Chaenomya kelamailiensis, Chaenomya leavenworthensis …
90 species
Verticordiidae
ornate verticord, flexed verticord, even-ribbed verticord, beaded verticord …
85 species
Xylophagaidae
wood piddock, washington woodeater, Abditoconus anselli, Abditoconus brava …
74 species
Cardita
australian cardita, dog's foot cockle, rectangular false cockle, wrinkled cardita …
72 species
Periplomatidae
thin lantern-shell, delicate spoon clam, sulcate spoonclam, aleutian spoonclam …
72 species
Halobiidae
Comatahalobia bozterensis, Comatahalobia comata, Comatahalobia fluxa, Comatahalobia intermedia …
69 species
Lunulacardiida
Buckhornia carteri, Chaenocardiola canalifer, Chaenocardiola carinata, Chaenocardiola denckmanni …
67 species
Pholadomyidae
Agrawalimya pseudosulcata, Argyromya margaritacea, Coloradomya lindae, Cosmomya egregia …
67 species
Basterotiidae
rock-borer, subovate softshell, carolina sportella, corbula sportella …
66 species
Kalenteridae
Bowlandia rhombea, Caspiconcha basquensis, Caspiconcha lastsamurai, Caspiconcha major …
60 species
Pandoridae
bilirate pandora, rounded pandora, say's pandora, giant pandora …
60 species
Poromyidae
granular poromya, yellow poromya, trigonal poromya, ovate poromya …
60 species
Grammysiidae
Asketomorpha grandis, Cimitaria angulata, Cimitaria guangxiensis, Cimitaria hendersoni …
58 species
Cyclocardia
northern cardita, bumpy cyclocardia, thick carditid, many-rib cyclocardia …
57 species
Lyonsiellidae
sculptureless verticord, Allogramma formosa, Allogramma jucunda, Allogramma miocaenica …
55 species
Myochamidae
Hunkydora australica, Hunkydora novozelandica, Hunkydora rakiura, Hunkydora soyoae …
51 species
Gastrochaenida
ovate gastrochaenid, flask shel, rostrate gastrochaenid, bowl-boring clam …
50 species
Manzanellida
minute nucinellid, concentric pleurodon, Huxleyia amaninensis, Huxleyia cavernicola …
49 species
Cardiniidae
Balantioselena gairi, Cardinia concinna, Cardinia crassissima, Cardinia crassiuscula …
47 species
Cyamiidae
Cyamiocardium chuanisinense, Cyamiocardium crassilabrum, Cyamiocardium dahli, Cyamiocardium denticulatum …
45 species
Eupera
mottled fingernailclam, Eupera bahamensis, Eupera bahiensis, Eupera barbadensis …
42 species
Lyonsiidae
striate lyonsia, bladderclam, scaly lyonsia, glassy lyonsia …
41 species
Laternulidae
duck lantern clam, Anatimya anteradiata, Capillimya capillifera, Cercomya arcuata …
38 species
Mysella
Mysella alpha, Mysella angasiana, Mysella antarctica, Mysella apudalpha …
38 species
Cuna
Cuna antiqua, Cuna aporema, Cuna awheaensis, Cuna bartschi …
35 species
Kurtiella
two-toothed montagu shell, robust mysella, Kurtiella africana, Kurtiella barbadensis …
35 species
Pleuromeris
33 species
Sibireconchidae
30 species
Gaimardiidae
29 species
Sportellidae
26 species
Afghanodesmatida
25 species
Cetoconchidae
25 species
Clavagellidae
25 species
Parilimyidae
23 species
Montacuta
22 species
Orthonotidae
21 species
Carditamera
19 species
Centrocardita
19 species
Daonellidae
19 species
Protocuspidariidae
19 species
Warrana
19 species
Posidoniidae
18 species
Spheniopsidae
18 species
Vacunellidae
18 species
Colpomyida
17 species
Euciroidae
15 species
Pachydon
15 species
Halonymphidae
14 species
Tellimya
14 species
Aenigmoconchidae
13 species
Kelliopsis
12 species
Penicillidae
12 species
Praecardiida
12 species
Rotundicardia
12 species
Solenomorphidae
12 species
Condylocuna
11 species
Lyrodesmatidae
11 species
Pleuromyidae
11 species
Glans
10 species
Montacutona
10 species
Ceratomyidae
9 species
Choniocardia
8 species
Fordillida
8 species
Miodomeris
8 species
Myophoricardiidae
8 species
Planktomya
8 species
Pulsidis
8 species
Coripia
7 species
Litigiella
7 species
Megadesmidae
7 species
Retroceramidae
7 species
Epilepton
6 species
Nipponomysella
6 species
Palaeocardita
6 species
Pteromeris
6 species
Scalaricardita
6 species
Altenaeum
5 species
Baluchicardia
5 species
Callomysia
5 species
Neovenericor
5 species
Sphenolium
5 species
Waldo
5 species
Atomodesmatidae
4 species
Aulacomyellidae
4 species
Cleidothaeridae
4 species
Coxiconchiidae
4 species
Cunanax
4 species
Draculamya
4 species
Entovalva
4 species
Laubriereia
4 species
Lipanellidae
4 species
Malvinasia
4 species
Myodakryotidae
4 species
Rochefortia
4 species
Sphaericoncha
4 species
Thecodonta
4 species
Tutcheria
4 species
Ainicardita
3 species
Akardita
3 species
Babinkidae
3 species
Beguina
3 species
Carydiidae
3 species
Corbulomima
3 species
Crassacuna
3 species
Curvemysella
3 species
Fronsella
3 species
Jousseaumia
3 species
Jurassicorbula
3 species
Koreamya
3 species
Miodontiscus
3 species
Ostomya
3 species
Peregrinamor
3 species
Propecuna
3 species
Pseudarcidae
3 species
Pseudoquenstedtia
3 species
Sphaerioides
3 species
Vimentum
3 species
Anisodevonia
2 species
Barrimysia
2 species
Brachiomya
2 species
Burmesiidae
2 species
Byssanodonta
2 species
Coanicardita
2 species
Devonia
2 species
Eoursivivas
2 species
Hyalokellia
2 species
Ischyrodontidae
2 species
Milneria
2 species
Nipponicorbula
2 species
Protosphaerium
2 species
Rhaetidiidae
2 species
Sagamikellia
2 species
Ucumariidae
2 species
Westaustrocuna
2 species
Yunanniidae
2 species
Araripenomia
1 species
Arenigomyidae
1 species
Arhouriella
1 species
Australoeocallista
1 species
Bentholyonsiidae
1 species
Birkelundita
1 species
Carditomantea
1 species
Cicatellia
1 species
Ciceromya
1 species
Clistoconchidae
1 species
Concentricavalva
1 species
Conchentopyx
1 species
Coracuta
1 species
Coriareus
1 species
Eodonidae
1 species
Eolepton
1 species
Erratomya
1 species
Exallocorbula
1 species
Ficusocorbula
1 species
Galatheavalvidae
1 species
Glibertia
1 species
Goniocuna
1 species
Goossensia
1 species
Hippocampocardia
1 species
Inversatella
1 species
Kamekia
1 species
Kelliola
1 species
Kolmeris
1 species
Konduriidae
1 species
Larissamya
1 species
Lasaeoneaera
1 species

Best-known members of Bivalvia

Ranked by popularity score.

Blue mussel

Mytilus edulis

Mytilidae

Giant clam

Tridacna gigas

Cardiidae

Zebra mussel

Dreissena polymorpha

Dreissenidae

Mediterranean mussel

Mytilus galloprovincialis

Mytilidae

Common cockle

Cerastoderma edule

Cardiidae

Native oyster

Ostrea edulis

Ostreidae

Ocean quahog

Arctica islandica

Arcticidae

Freshwater pearl mussel

Margaritifera margaritifera

Margaritiferidae

How threatened is Bivalvia?

5 of 29,151 species filed here have an IUCN category on record.

IUCN category	Species	Share of assessed
CRCritically Endangered	1	20%
ENEndangered	1	20%
LCLeast Concern	3	60%

Where is Bivalvia found?

Species on file in this class listed for each country. Checklist listings, which are incomplete for many species; not range maps.

None on record
8
9–19
20–71
72+

species per country · small islands are not drawn at this scale

The 200 best-known species in Bivalvia

Of 29,151 on file. Open this list in the browser to filter and sort it

Common name	Scientific name	Family	Status	Weight	Countries
Blue mussel	Mytilus edulis	Mytilidae	Not recorded	Not recorded	Not recorded
Giant clam	Tridacna gigas	Cardiidae	Critically Endangered	Not recorded	Not recorded
Zebra mussel	Dreissena polymorpha	Dreissenidae	Least Concern	Not recorded	Not recorded
Mediterranean mussel	Mytilus galloprovincialis	Mytilidae	Not recorded	Not recorded	Not recorded
Common cockle	Cerastoderma edule	Cardiidae	Not recorded	Not recorded	Not recorded
Native oyster	Ostrea edulis	Ostreidae	Not recorded	Not recorded	Not recorded
Ocean quahog	Arctica islandica	Arcticidae	Not recorded	Not recorded	Not recorded
Freshwater pearl mussel	Margaritifera margaritifera	Margaritiferidae	Endangered	Not recorded	Not recorded
Great shipworm	Teredo navalis	Teredinidae	Not recorded	Not recorded	Not recorded
Geoduck	Panopea generosa	Hiatellidae	Not recorded	Not recorded	Not recorded
Swan mussel	Anodonta cygnea	Not recorded	Least Concern	Not recorded	Not recorded
Asian clam	Corbicula fluminea	Cyrenidae	Least Concern	Not recorded	Not recorded
Steamer	Mya arenaria	Myidae	Not recorded	Not recorded	Not recorded
Scallop	Pecten maximus	Pectinidae	Not recorded	Not recorded	Not recorded
Common river mussel	Unio crassus	Not recorded	Not recorded	Not recorded	Not recorded
Duck mussel	Anodonta anatina	Not recorded	Not recorded	Not recorded	Not recorded
Great scallop	Pecten jacobaeus	Pectinidae	Not recorded	Not recorded	Not recorded
Common oyster	Crassostrea virginica	Ostreidae	Not recorded	Not recorded	Not recorded
Painter's mussel	Unio pictorum	Not recorded	Not recorded	Not recorded	Not recorded
Lagoon cockle	Cerastoderma glaucum	Cardiidae	Not recorded	Not recorded	Not recorded
Pacific pearl-oyster	Pinctada margaritifera	Margaritidae	Not recorded	Not recorded	Not recorded
Blood clam	Tegillarca granosa	Arcidae	Not recorded	Not recorded	Not recorded
Qahog	Mercenaria mercenaria	Veneridae	Not recorded	Not recorded	Not recorded
Hamaguri	Meretrix lusoria	Veneridae	Not recorded	Not recorded	Not recorded
Manila clam	Ruditapes philippinarum	Veneridae	Not recorded	Not recorded	Not recorded
Chinese pondmussel	Sinanodonta woodiana	Not recorded	Not recorded	Not recorded	Not recorded
Maxima clam	Tridacna maxima	Cardiidae	Not recorded	Not recorded	Not recorded
Noah's ark	Arca noae	Arcidae	Not recorded	Not recorded	Not recorded
Pod razor	Ensis siliqua	Pharidae	Not recorded	Not recorded	Not recorded
Baltic macoma	Macoma balthica	Tellinidae	Not recorded	Not recorded	Not recorded
Green mussel	Perna viridis	Mytilidae	Not recorded	Not recorded	Not recorded
Common piddock	Pholas dactylus	Pholadidae	Not recorded	Not recorded	Not recorded
Grooved razor clam	Solen marginatus	Solenidae	Not recorded	Not recorded	Not recorded
Giant clam	Tridacna squamosa	Cardiidae	Not recorded	Not recorded	Not recorded
Clam	Venus verrucosa	Veneridae	Not recorded	Not recorded	Not recorded
Cock	Callista chione	Veneridae	Not recorded	Not recorded	Not recorded
Razor shell	Ensis ensis	Pharidae	Not recorded	Not recorded	Not recorded
Date shell	Lithophaga lithophaga	Mytilidae	Not recorded	Not recorded	Not recorded
Spiny cockle	Acanthocardia aculeata	Cardiidae	Not recorded	Not recorded	Not recorded
Rough cockle	Acanthocardia tuberculata	Cardiidae	Not recorded	Not recorded	Not recorded
Quin	Aequipecten opercularis	Pectinidae	Not recorded	Not recorded	Not recorded
Quagga mussel	Dreissena bugensis	Dreissenidae	Not recorded	Not recorded	Not recorded
Horse mussel	Modiolus modiolus	Modiolidae	Not recorded	Not recorded	Not recorded
Chicken venus	Chamelea gallina	Veneridae	Not recorded	Not recorded	Not recorded
Clam	Mya truncata	Myidae	Not recorded	Not recorded	Not recorded
Channel mussel	Perna canaliculus	Mytilidae	Not recorded	Not recorded	Not recorded
Depressed river mussel	Pseudanodonta complanata	Not recorded	Not recorded	Not recorded	Not recorded
Derasa clam	Tridacna derasa	Cardiidae	Not recorded	Not recorded	Not recorded
Swollen river mussel	Unio tumidus	Not recorded	Not recorded	Not recorded	Not recorded
Appalacian elktoe	Alasmidonta raveneliana	Not recorded	Not recorded	Not recorded	Not recorded
Iceland scallop	Chlamys islandica	Pectinidae	Not recorded	Not recorded	Not recorded
Wedge clam	Donax trunculus	Donacidae	Not recorded	Not recorded	Not recorded
Bear paw	Hippopus hippopus	Cardiidae	Not recorded	Not recorded	Not recorded
Yesso scallop	Mizuhopecten yessoensis	Pectinidae	Not recorded	Not recorded	Not recorded
Foolish mussel	Mytilus trossulus	Mytilidae	Not recorded	Not recorded	Not recorded
Jingle shell	Placuna placenta	Placunidae	Not recorded	Not recorded	Not recorded
Peppery furrow clam	Scrobicularia plana	Semelidae	Not recorded	Not recorded	Not recorded
Thorny oyster	Spondylus gaederopus	Spondylidae	Not recorded	Not recorded	Not recorded
Fat threeridge	Amblema neislerii	Not recorded	Not recorded	Not recorded	Not recorded
Saddle oyster	Anomia ephippium	Anomiidae	Not recorded	Not recorded	Not recorded
Turkey wing	Arca zebra	Arcidae	Not recorded	Not recorded	Not recorded
Flame shell	Limaria hians	Limidae	Not recorded	Not recorded	Not recorded
Rayed trough clam	Mactra stultorum	Mactridae	Not recorded	Not recorded	Not recorded
Sea scallop	Placopecten magellanicus	Pectinidae	Not recorded	Not recorded	Not recorded
Brackish-water corbula	Potamocorbula amurensis	Corbulidae	Not recorded	Not recorded	Not recorded
Chequered venus	Ruditapes decussatus	Veneridae	Not recorded	Not recorded	Not recorded
Rock oyster	Saccostrea cuccullata	Ostreidae	Not recorded	Not recorded	Not recorded
Horny orb mussel	Sphaerium corneum	Sphaeriidae	Not recorded	Not recorded	Not recorded
Bar clam	Spisula solida	Mactridae	Not recorded	Not recorded	Not recorded
Cut surfclam	Spisula subtruncata	Mactridae	Not recorded	Not recorded	Not recorded
Brook floater	Alasmidonta varicosa	Not recorded	Not recorded	Not recorded	Not recorded
Wheeler's pearly mussel	Arcidens wheeleri	Not recorded	Not recorded	Not recorded	Not recorded
Fan mussel	Atrina pectinata	Pinnidae	Not recorded	Not recorded	Not recorded
Asian clam	Corbicula fluminalis	Cyrenidae	Not recorded	Not recorded	Not recorded
Dromedary Naiad	Dromus dromas	Not recorded	Not recorded	Not recorded	Not recorded
Combshell	Glycymeris glycymeris	Glycymerididae	Not recorded	Not recorded	Not recorded
Coxcomb oyster	Lopha cristagalli	Ostreidae	Not recorded	Not recorded	Not recorded
Chinese mactra	Mactra chinensis	Mactridae	Not recorded	Not recorded	Not recorded
Bearded mussel	Modiolus barbatus	Modiolidae	Not recorded	Not recorded	Not recorded
Common mussel	Mytilus californianus	Mytilidae	Not recorded	Not recorded	Not recorded
Brown mussel	Perna perna	Mytilidae	Not recorded	Not recorded	Not recorded
Giant pea shell	Pisidium amnicum	Sphaeriidae	Not recorded	Not recorded	Not recorded
Pacific razor	Siliqua patula	Pharidae	Not recorded	Not recorded	Not recorded
American thorny oyster	Spondylus americanus	Spondylidae	Not recorded	Not recorded	Not recorded
Boring clam	Tridacna crocea	Cardiidae	Not recorded	Not recorded	Not recorded
White abra	Abra alba	Semelidae	Not recorded	Not recorded	Not recorded
Altamaha arcmussel	Alasmidonta arcula	Not recorded	Not recorded	Not recorded	Not recorded
Elktoe	Alasmidonta marginata	Not recorded	Not recorded	Not recorded	Not recorded
Carolina elktoe	Alasmidonta robusta	Not recorded	Not recorded	Not recorded	Not recorded
Eared ark	Anadara notabilis	Arcidae	Not recorded	Not recorded	Not recorded
Bay scallop	Argopecten irradians	Pectinidae	Not recorded	Not recorded	Not recorded
Fan mussel	Atrina fragilis	Pinnidae	Not recorded	Not recorded	Not recorded
White piddock	Barnea candida	Pholadidae	Not recorded	Not recorded	Not recorded
Tiger lucine	Codakia orbicularis	Lucinidae	Not recorded	Not recorded	Not recorded
Fanshell	Cyprogenia stegaria	Not recorded	Not recorded	Not recorded	Not recorded
Angel wing	Cyrtopleura costata	Pholadidae	Not recorded	Not recorded	Not recorded
Banded donax	Donax vittatus	Donacidae	Not recorded	Not recorded	Not recorded
Rayed artemis	Dosinia exoleta	Veneridae	Not recorded	Not recorded	Not recorded
Oyster mussel	Epioblasma capsaeformis	Not recorded	Not recorded	Not recorded	Not recorded
Shiny pigtoe	Fusconaia cor	Not recorded	Not recorded	Not recorded	Not recorded
Red nose	Hiatella arctica	Hiatellidae	Not recorded	Not recorded	Not recorded
Norway cockle	Laevicardium crassum	Cardiidae	Not recorded	Not recorded	Not recorded
Spiny lima	Lima lima	Limidae	Not recorded	Not recorded	Not recorded
Golden mussel	Limnoperna fortunei	Modiolidae	Not recorded	Not recorded	Not recorded
Coosa mocassinshell	Medionidus parvulus	Not recorded	Not recorded	Not recorded	Not recorded
Ochlockonee moccasinshell	Medionidus simpsonianus	Not recorded	Not recorded	Not recorded	Not recorded
Black-striped mussel	Mytilopsis sallei	Dreissenidae	Not recorded	Not recorded	Not recorded
White-lip oyster	Pinctada maxima	Margaritidae	Not recorded	Not recorded	Not recorded
Hen clam	Spisula sachalinensis	Mactridae	Not recorded	Not recorded	Not recorded
Pullet venus	Venerupis corrugata	Veneridae	Not recorded	Not recorded	Not recorded
Antarctic scallop	Adamussium colbecki	Pectinidae	Not recorded	Not recorded	Not recorded
Coosa elktoe	Alasmidonta mccordi	Not recorded	Not recorded	Not recorded	Not recorded
Ochlockonee arcmussel	Alasmidonta wrightiana	Not recorded	Not recorded	Not recorded	Not recorded
Blood clam	Anadara broughtonii	Arcidae	Not recorded	Not recorded	Not recorded
Kagoshima blood cockle	Anadara kagoshimensis	Arcidae	Not recorded	Not recorded	Not recorded
Purple scallop	Argopecten purpuratus	Pectinidae	Not recorded	Not recorded	Not recorded
Disco clam	Ctenoides ales	Limidae	Not recorded	Not recorded	Not recorded
Edible Naiad	Cyprogenia aberti	Not recorded	Not recorded	Not recorded	Not recorded
Purple bankclimber	Elliptoideus sloatianus	Not recorded	Not recorded	Not recorded	Not recorded
Minor jackknife	Ensis minor	Pharidae	Not recorded	Not recorded	Not recorded
Cumberlandian combshell	Epioblasma brevidens	Not recorded	Not recorded	Not recorded	Not recorded
Finerayed pigtoe	Fusconaia cuneolus	Not recorded	Not recorded	Not recorded	Not recorded
Finelined pocketbook	Hamiota altilis	Not recorded	Not recorded	Not recorded	Not recorded
Yellow lampmussel	Lampsilis cariosa	Not recorded	Not recorded	Not recorded	Not recorded
Green floater	Lasmigona subviridis	Not recorded	Not recorded	Not recorded	Not recorded
Otter shell	Lutraria lutraria	Mactridae	Not recorded	Not recorded	Not recorded
Striate piddock	Martesia striata	Pholadidae	Not recorded	Not recorded	Not recorded
Alabama mocassinshell	Medionidus acutissimus	Not recorded	Not recorded	Not recorded	Not recorded
Noble scallop	Mimachlamys sanguinea	Pectinidae	Not recorded	Not recorded	Not recorded
Olympia oyster	Ostrea conchaphila	Ostreidae	Not recorded	Not recorded	Not recorded
Geoduck	Panopea abrupta	Hiatellidae	Not recorded	Not recorded	Not recorded
Japanese baking scallop	Pecten albicans	Pectinidae	Not recorded	Not recorded	Not recorded
False angelwing	Petricolaria pholadiformis	Veneridae	Not recorded	Not recorded	Not recorded
Sand oyster	Pinna carnea	Pinnidae	Not recorded	Not recorded	Not recorded
Atlantic wing oyster	Pteria colymbus	Pteriidae	Not recorded	Not recorded	Not recorded
Wing shell	Pteria hirundo	Pteriidae	Not recorded	Not recorded	Not recorded
Rio Grande Rockshell	Quadrula couchiana	Not recorded	Not recorded	Not recorded	Not recorded
Skimmer	Spisula solidissima	Mactridae	Not recorded	Not recorded	Not recorded
Giant thorny oyster	Spondylus varius	Spondylidae	Not recorded	Not recorded	Not recorded
Shiny abra	Abra nitida	Semelidae	Not recorded	Not recorded	Not recorded
Thorny cockle	Acanthocardia echinata	Cardiidae	Not recorded	Not recorded	Not recorded
Ancient ark	Anadara antiquata	Arcidae	Not recorded	Not recorded	Not recorded
Incongruous ark	Anadara brasiliana	Arcidae	Not recorded	Not recorded	Not recorded
Bag mussel	Arcuatula senhousia	Mytilidae	Not recorded	Not recorded	Not recorded
Cholga mussel	Aulacomya atra	Mytilidae	Not recorded	Not recorded	Not recorded
Lazarus jewel box	Chama lazarus	Chamidae	Not recorded	Not recorded	Not recorded
Spear scallop	Chlamys hastata	Pectinidae	Not recorded	Not recorded	Not recorded
Banded venus	Clausinella fasciata	Veneridae	Not recorded	Not recorded	Not recorded
White rock-clam	Cleidothaerus albidus	Cleidothaeridae	Not recorded	Not recorded	Not recorded
South Dinaric cave clam	Congeria kusceri	Dreissenidae	Not recorded	Not recorded	Not recorded
Heart cockle	Corculum cardissa	Cardiidae	Not recorded	Not recorded	Not recorded
Cockscomb mussel	Cristaria plicata	Not recorded	Not recorded	Not recorded	Not recorded
Atlantic giant cockle	Dinocardium robustum	Cardiidae	Not recorded	Not recorded	Not recorded
Coquina	Donax variabilis	Donacidae	Not recorded	Not recorded	Not recorded
Smooth artemis	Dosinia lupinus	Veneridae	Not recorded	Not recorded	Not recorded
Carolina lance	Elliptio angustata	Not recorded	Not recorded	Not recorded	Not recorded
Brother spike	Elliptio fraterna	Not recorded	Not recorded	Not recorded	Not recorded
Altamaha slabshell	Elliptio hopetonensis	Not recorded	Not recorded	Not recorded	Not recorded
Atlantic jackknife clam	Ensis directus	Pharidae	Not recorded	Not recorded	Not recorded
Sugarspoon	Epioblasma arcaeformis	Not recorded	Not recorded	Not recorded	Not recorded
Sampson's Naiad	Epioblasma sampsonii	Not recorded	Not recorded	Not recorded	Not recorded
Turgid blossom	Epioblasma turgidula	Not recorded	Not recorded	Not recorded	Not recorded
Narrow pigtoe	Fusconaia escambia	Not recorded	Not recorded	Not recorded	Not recorded
Atlantic pigtoe	Fusconaia masoni	Not recorded	Not recorded	Not recorded	Not recorded
Longsolid	Fusconaia subrotunda	Not recorded	Not recorded	Not recorded	Not recorded
Faroe sunsetclam	Gari fervensis	Psammobiidae	Not recorded	Not recorded	Not recorded
Ox heart	Glossus humanus	Glossidae	Not recorded	Not recorded	Not recorded
Prickly jingle	Heteranomia squamula	Anomiidae	Not recorded	Not recorded	Not recorded
Flattened oyster	Hyotissa hyotis	Gryphaeidae	Not recorded	Not recorded	Not recorded
Irus clam	Irus irus	Veneridae	Not recorded	Not recorded	Not recorded
Flat tree oyster	Isognomon alatus	Isognomonidae	Not recorded	Not recorded	Not recorded
Plain pocketbook	Lampsilis cardium	Not recorded	Not recorded	Not recorded	Not recorded
Sandbank pocketbook	Lampsilis satura	Not recorded	Not recorded	Not recorded	Not recorded
Alabama lamp Naiad	Lampsilis virescens	Not recorded	Not recorded	Not recorded	Not recorded
Birdwing pearlymussel	Lemiox rimosus	Not recorded	Not recorded	Not recorded	Not recorded
Black sandshell	Ligumia recta	Not recorded	Not recorded	Not recorded	Not recorded
Fragile file shell	Limaria fragilis	Limidae	Not recorded	Not recorded	Not recorded
Pennsylvania lucine	Lucina pensylvanica	Lucinidae	Not recorded	Not recorded	Not recorded
Divaricate lucine	Lucinella divaricata	Lucinidae	Not recorded	Not recorded	Not recorded
Rayed trough-shell	Mactra corallina	Mactridae	Not recorded	Not recorded	Not recorded
Grey mactra	Mactra glauca	Mactridae	Not recorded	Not recorded	Not recorded
Cumberland mocassinshell	Medionidus conradicus	Not recorded	Not recorded	Not recorded	Not recorded
Gulf mocassinshell	Medionidus penicillatus	Not recorded	Not recorded	Not recorded	Not recorded
Suwannee moccasinshell	Medionidus walkeri	Not recorded	Not recorded	Not recorded	Not recorded
Black mussel	Musculus niger	Mytilidae	Not recorded	Not recorded	Not recorded
Dark falsemussel	Mytilopsis leucophaeata	Dreissenidae	Not recorded	Not recorded	Not recorded
Common nut clam	Nucula nucleus	Nuculidae	Not recorded	Not recorded	Not recorded
Beaked nutclam	Nuculana minuta	Nuculanidae	Not recorded	Not recorded	Not recorded
Arctic nut clam	Nuculana pernula	Nuculanidae	Not recorded	Not recorded	Not recorded
Ring pink	Obovaria retusa	Not recorded	Not recorded	Not recorded	Not recorded
Round hickorynut	Obovaria subrotunda	Not recorded	Not recorded	Not recorded	Not recorded
Tiger scallop	Palliolum tigerinum	Pectinidae	Not recorded	Not recorded	Not recorded
Angled cockle	Parvicardium exiguum	Cardiidae	Not recorded	Not recorded	Not recorded
White wartyback	Plethobasus cicatricosus	Not recorded	Not recorded	Not recorded	Not recorded
Orangefoot pimpleback	Plethobasus cooperianus	Not recorded	Not recorded	Not recorded	Not recorded
Sheepnose	Plethobasus cyphyus	Not recorded	Not recorded	Not recorded	Not recorded
Clubshell	Pleurobema clava	Not recorded	Not recorded	Not recorded	Not recorded
Fat pocketbook	Potamilus capax	Not recorded	Not recorded	Not recorded	Not recorded
Black river mussel	Potomida littoralis	Not recorded	Not recorded	Not recorded	Not recorded
Pacific wing oyster	Pteria sterna	Pteriidae	Not recorded	Not recorded	Not recorded