Home›Species›Taxonomy›BivalviaTaxaBivalviaClassReference and ClassificationThoroughly VerifiedClams, oysters, mussels and scallops: mollusks enclosed within a shell made of two hinged valves, with no distinct head and, in most species, a life spent filter-feeding while partly or fully buried in sediment or attached to a hard surface. Bivalvia is exclusively aquatic, in both marine and freshwater habitats.FactsBivalviaConnectionsSourcesComments (0)Reader Challenges (0)FactsDisputedMember Species/Taxa CountScholarly debate9200 2Approximate described-species (or, for a genus, described-taxon) count; continually revised as species are newly described, reclassified or synonymized.Taxonomic RankWell-attestedClass 2Scientific NameWell-attestedBivalvia 2ClassificationLiving or ExtinctWell-attestedYes 1BivalviaFilter Results27 entriesCommon GroupAllBivalves (Clams, Mussels, Oysters) (27)HabitatAllCoral Reef (3)Estuary (4)Freshwater (3)Intertidal Zone (1)Marine (14)River (1)Conservation StatusAllCritically Endangered (2)Endangered (1)Least Concern (2)Near Threatened (1)Not Evaluated (16)EcosystemAllCaspian Sea (1)Coral Reef Systems (3)Great Lakes (2)Wadden Sea (3)Everyday GroupAllBivalves (Clams, Mussels, Oysters) (27)DietAllFilter Feeder (21)Herbivore (1)System (Realm)AllFreshwater (5)Marine (23)ThreatsAllInvasive and Other Problematic Species, Genes and Diseases (1)Pollution (1)Relationship to PeopleAllAgricultural or Structural Pest (1)Farmed or Commercially Raised (6)Hunted or Fished (15)Invasive or Introduced Species (4)Kept as Pets (1)Living or ExtinctAllYes (11)Where It LivesAllAlbania (1)Angola (1)Argentina (4)Australia (5)Austria (2)Azerbaijan (2)Bahamas (1)Belarus (1)Belgium (12)Belize (1)Bosnia and Herzegovina (1)Brazil (4)Bulgaria (5)Cambodia (1)Canada (12)Chile (2)China (8)Colombia (1)Costa Rica (2)Croatia (1)Cuba (4)Cyprus (1)Czechia (1)Denmark (11)Dominican Republic (1)Egypt (3)Estonia (2)Europe (1)Fiji (1)France (8)Galicia (1)Germany (7)Greece (1)Hungary (1)Iceland (1)India (1)Indonesia (1)Ireland (11)Italy (4)Jamaica (1)Japan (2)Kenya (1)Madagascar (1)Malaysia (1)Malta (4)Mauritius (2)Mexico (5)Moldova (1)Morocco (4)Namibia (1)Netherlands (8)New Zealand (1)North America (8)North Korea (1)Norway (16)Panama (1)Papua New Guinea (1)Philippines (1)Poland (2)Portugal (6)Romania (3)Russia (2)Senegal (1)Serbia (1)Singapore (1)Slovenia (1)South Africa (1)South Korea (1)Spain (8)Sweden (10)Switzerland (2)Taiwan (2)Tanzania (2)Thailand (2)Tonga (1)Tunisia (2)Turkey (4)Ukraine (4)United Kingdom (12)United States (8)Uruguay (1)Venezuela (1)Show ResultsBrowseCompareSelect all 27Atlantic Bay ScallopBivalviaAtlantic Razor ClamBivalviaAtlantic Thorny OysterBivalviaBlood ArkBivalviaBlue MusselBivalviaCommon CockleBivalviaCommon Jingle ShellBivalviaCommon PiddockBivalviaEastern OysterBivalviaEuropean Flat OysterBivalviaFreshwater MusselBivalviaFreshwater Pearl Mussel (Margaritifera margaritifera)BivalviaGeoduckBivalviaGiant ClamBivalviaGreat ScallopBivalviaManila ClamBivalviaNaval ShipwormBivalviaNew Zealand Green-lipped MusselBivalviaNoble Pen ShellBivalviaOcean QuahogBivalviaPacific OysterBivalviaQuagga MusselBivalviaScallopBivalviaSoftshell ClamBivalviaSoft-shell clamBivalviaWindowpane OysterBivalviaZebra MusselBivalviaConnectionsChild Taxon OfMollusca, Taxa Well-attested Source Catalogue of LifeParent Taxon OfAtlantic Bay Scallop, Species Well-attested Source Wikidata: Atlantic Bay ScallopAtlantic Razor Clam, Species Well-attested Source Wikidata: Atlantic Razor ClamAtlantic Thorny Oyster, Species Well-attested Source Wikidata: Atlantic Thorny OysterBlood Ark, Species Well-attested Source Wikidata: Blood ArkBlue Mussel, Species Well-attested Source Blue mussel (Wikidata)tier 2Common Cockle, Species Well-attested Source GBIF Backbone Taxonomy: Cerastoderma eduleCommon Jingle Shell, Species Well-attested Source GBIF Backbone Taxonomy: Anomia simplexCommon Piddock, Species Well-attested Source GBIF Backbone Taxonomy: Pholas dactylusEastern Oyster, Species Well-attested Source Wikidata: Eastern OysterEuropean Flat Oyster, Species Well-attested Source Wikidata: European Flat OysterFreshwater Mussel, Species Well-attested Source Wikidata: Freshwater MusselFreshwater Pearl Mussel (Margaritifera margaritifera), Species Well-attested Source Freshwater pearl mussel (Wikidata)tier 2Geoduck, Species Well-attested Source Wikidata: GeoduckGiant Clam, Species Well-attested Source Wikidata: Giant ClamGreat Scallop, Species Well-attested Source Wikidata: Great ScallopManila Clam, Species Well-attested Source Wikidata: Manila ClamNaval Shipworm, Species Well-attested Source Wikidata: Naval ShipwormNew Zealand Green-lipped Mussel, Species Well-attested Source Wikidata: New Zealand Green-lipped MusselNoble Pen Shell, Species Well-attested Source Pinna nobilis (Wikidata)tier 2Ocean Quahog, Species Well-attested Source Wikidata: Ocean QuahogPacific Oyster, Species Well-attested Source Wikidata: Pacific OysterQuagga Mussel, Species Well-attested Source Quagga Mussel (Wikidata)tier 2Scallop, Species Well-attested Source Wikidata: ScallopSoftshell Clam, Species Well-attested Source Wikidata: Softshell ClamSoft-shell clam, Species Well-attested Source Wikidata: Softshell ClamWindowpane Oyster, Species Well-attested Source Wikidata: Windowpane OysterZebra Mussel, Species Well-attested Source Wikidata: Zebra MusselSources1. Wikidata (taxon extant/extinct status)tier 2Wikimedia Foundation / Wikidata contributorsQ25368, descriptionView the Source2. Catalogue of LifeSpecies 2000 & ITIS Catalogue of LifeView the SourceWikidata: BivalviaWikidata Q25368, class allow-list match (w-wdresolver-0926)View the SourceWikidata: Giant ClamParent Taxon Of: Giant Clam, Wikidata parent-taxon (P171) chainView the SourceBlue mussel (Wikidata)tier 2WikidataParent Taxon Of: Blue Mussel, Wikidata parent-taxon (P171) chainView the SourceWikidata: Pacific OysterParent Taxon Of: Pacific Oyster, Wikidata parent-taxon (P171) chainView the SourceWikidata: GeoduckParent Taxon Of: Geoduck, Wikidata parent-taxon (P171) chainView the SourceWikidata: ScallopParent Taxon Of: Scallop, Wikidata parent-taxon (P171) chainView the SourceWikidata: Freshwater MusselParent Taxon Of: Freshwater Mussel, Wikidata parent-taxon (P171) chainView the SourceWikidata: Zebra MusselParent Taxon Of: Zebra Mussel, Wikidata parent-taxon (P171) chainView the SourceWikidata: Atlantic Razor ClamParent Taxon Of: Atlantic Razor Clam, Wikidata parent-taxon (P171) chainView the SourcePinna nobilis (Wikidata)tier 2WikidataParent Taxon Of: Noble Pen Shell, Wikidata parent-taxon (P171) chainView the SourceWikidata: Atlantic Thorny OysterParent Taxon Of: Atlantic Thorny Oyster, Wikidata parent-taxon (P171) chainView the SourceWikidata: Naval ShipwormParent Taxon Of: Naval Shipworm, Wikidata parent-taxon (P171) chainView the SourceWikidata: Blood ArkParent Taxon Of: Blood Ark, Wikidata parent-taxon (P171) chainView the SourceFreshwater pearl mussel (Wikidata)tier 2WikidataParent Taxon Of: Freshwater Pearl Mussel (Margaritifera margaritifera), Wikidata parent-taxon (P171) chainView the SourceWikidata: Eastern OysterParent Taxon Of: Eastern Oyster, Wikidata parent-taxon (P171) chainView the SourceWikidata: European Flat OysterParent Taxon Of: European Flat Oyster, Wikidata parent-taxon (P171) chainView the SourceWikidata: Ocean QuahogParent Taxon Of: Ocean Quahog, Wikidata parent-taxon (P171) chainView the SourceWikidata: Softshell ClamParent Taxon Of: Softshell Clam, Wikidata parent-taxon (P171) chainParent Taxon Of: Soft-shell clam, Wikidata parent-taxon (P171) chainView the SourceWikidata: Manila ClamParent Taxon Of: Manila Clam, Wikidata parent-taxon (P171) chainView the SourceQuagga Mussel (Wikidata)tier 2WikidataParent Taxon Of: Quagga Mussel, Wikidata parent-taxon (P171) chainView the SourceWikidata: New Zealand Green-lipped MusselParent Taxon Of: New Zealand Green-lipped Mussel, Wikidata parent-taxon (P171) chainView the SourceWikidata: Windowpane OysterParent Taxon Of: Windowpane Oyster, Wikidata parent-taxon (P171) chainView the SourceWikidata: Atlantic Bay ScallopParent Taxon Of: Atlantic Bay Scallop, Wikidata parent-taxon (P171) chainView the SourceWikidata: Great ScallopParent Taxon Of: Great Scallop, Wikidata P171View the SourceBivalvia (Wikipedia)In Group: Mollusc Classes, LeadQuote, In Group: Mollusc Classes, LeadBivalvia () or bivalves, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of aquatic molluscs (marine and freshwater) that have laterally compressed soft bodies enclosed by a calcified exoskeleton consisting of a hinged pair of half-shells known as valves.View the SourceGBIF Backbone Taxonomy: Cerastoderma eduleGBIF Backbone TaxonomyParent Taxon Of: Common Cockle, Taxon recordQuote, Parent Taxon Of: Common Cockle, Taxon record"class": "Bivalvia"View the SourceGBIF Backbone Taxonomy: Anomia simplexGBIF Backbone TaxonomyParent Taxon Of: Common Jingle Shell, Taxon recordQuote, Parent Taxon Of: Common Jingle Shell, Taxon record"class": "Bivalvia"View the SourceGBIF Backbone Taxonomy: Pholas dactylusGBIF Backbone TaxonomyParent Taxon Of: Common Piddock, Taxon recordQuote, Parent Taxon Of: Common Piddock, Taxon record"class": "Bivalvia"View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.