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Bivalvia

Bivalvia (/baɪˈvælviə/) 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. As a group, bivalves have no head and lack some…

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Overview

Etymology

Anatomy

Comparison with brachiopods

Evolutionary history

Diversity of extant bivalves

Distribution

Behaviour

Mariculture

Use as food

Ecosystem services

Other uses

Bivalvian taxonomies

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Map overview Semantic statistics

Bivalvia

Nodes372
Edges371
Triples84
Avg. degree1.99
Density0.005376
Components1

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Bivalvia

Top relations

related to Bivalvian taxonomies · 23
Bivalvia → Anomalodesmacea, Anomalodesmata, Based, Because, Bieler, Carter, Coan, Conflicting, For, Heterodonta, In, Invertebrate Paleontology, Marine Species, Molecular, Newell, Norman, One, Part, Since, Some
related to 2010 taxonomy · 12
Bivalvia → Carter, Class Bivalvia, Coan, Eugene, In, In May, Joseph, Malacologia, Proposed, Rüdiger Bieler, This, WoRMS
related to Practical taxonomy of R.C. Moore · 10
Bivalvia → Fischer, Gills, In, Invertebrate Fossils, Lalicker, Mantle, Moore, Prionodesmacea, Subclasses, Teleodesmacea
related to Etymology · 9
Bivalvia → Brachiopoda, Juliidae, Latin, Linnaeus, More, Paired, Pelecypoda, Systema Naturae, The

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Important terminology

bivalves shell species shells valves water oysters gills bivalve used mantle two may known hinge freshwater families food many sea

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
the radulainstance ofbivalves have no head and lack some typical molluscan organs0.80text
the odontophoreinstance ofbivalves have no head and lack some typical molluscan organs0.80text
clamsinstance ofMany bivalves0.80text
which appear uprightinstance ofMany bivalves0.80text
are evolutionarily lying on their side.Mantleinstance ofMany bivalves0.80text
shellThe shell is composed of two calcareous valves held together by a ligamentinstance ofMany bivalves0.80text
phytoplankton from the waterinstance ofusing their gills to capture particulate food0.80text
day lengthinstance ofSpawning may take place continually or be triggered by environmental factors0.80text
water temperatureinstance ofSpawning may take place continually or be triggered by environmental factors0.80text
or the presence of sperm in the waterinstance ofSpawning may take place continually or be triggered by environmental factors0.80text
sandinstance ofburied in soft substrates0.80text
siltinstance ofburied in soft substrates0.80text

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