Bivalvia , in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. As a group, bivalves have no head and they lack some usual molluscan organs, like the radula and the odontophore. The class includes the clams, oysters, cockles,
Wikipedia · Tekst onder CC-BY-SA-licentieTweekleppigen (Bivalvia) zijn een klasse van in water levende weekdieren (Mollusca). Tweekleppigen hebben een zijdelings afgeplat lichaam dat omgeven wordt door een harde schelp, bestaande uit twee helften die vaak grofweg elkaars spiegelbeeld zijn. Beide kleppen hebben vaak in elkaar grijpende slottanden en worden bijeen gehouden door sluitspieren. Bekende voorbeeld…
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WEBBivalve, (class Bivalvia), any of more than 15,000 species of clams, oysters, mussels, scallops, and other members of the phylum Mollusca characterized by a shell that is …
WEBSnapshot: Bivalvia. Phylum Mollusca, Class Bivalvia. Common names of representatives: clams, scallops, oysters, mussels. Habitat(s): marine (salt water), freshwater (lakes, rivers, and streams). Feeding type(s): mostly …
Characteristics of bivalves | Britannica
WEBbivalve, Any member of the mollusk class Bivalvia, or Pelecypoda, characterized by having a two-halved (valved) shell. Clams , cockles, mussels, oysters , scallops, and shipworms are bivalves. Most are …
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WEBClass Bivalvia: Introduction and Morphology – 1. Bivalve Phylogeny and Classification – 2. Bivalve Ecology and Paleoecology – 3. Evolutionary History of Bivalves ← – 4. References and Further Reading. Image …
WEB26 jan. 2001 · Bivalvia. Also known as pelecypods, the approximately 15,000 species of this taxon are found in marine and freshwater habitats throughout the world. A bivalve is …
Bivalve Phylogeny and Classification - Digital Atlas of Ancient Life
WEBOverview. Efforts at bivalve classification and phylogenetic analysis have traditionally been based on prominent morphological features such as gill structure, stomach morphology, …
Paleontica - Bivalvia
WEBBivalvia. De klasse Bivalvia behoort tot het phylum van de weekdieren (Mollusca). De Nederlandse naam voor Bivalven is Tweekleppigen. De kleppen van de schelp zelf zijn …
Bivalvia - Wikiwand
WEBBivalvia ( / baɪˈvælviə / ), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally …
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