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Wikipedia પર બધું જુઓBivalvia - Wikipedia
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 … વધુ જુઓ
The taxonomic term Bivalvia was first used by Linnaeus in the 10th edition of his Systema Naturae in 1758 to refer to animals having shells composed of two valves. … વધુ જુઓ
Brachiopods are shelled marine organisms that superficially resemble bivalves in that they are of similar size and have a hinged shell in two parts. However, brachiopods evolved from a … વધુ જુઓ
The Cambrian explosion took place around 540 to 520 million years ago (Mya). In this geologically brief period, all the major animal phyla diverged and these included the first creatures with mineralized skeletons. Brachiopods and bivalves made their … વધુ જુઓ
Bivalves have bilaterally symmetrical and laterally flattened bodies, with a blade-shaped foot, vestigial head and no radula. At the dorsal or … વધુ જુઓ
The adult maximum size of living species of bivalve ranges from 0.52 mm (0.02 in) in Condylonucula maya, a nut clam, to a length of 1,532 … વધુ જુઓ
CC-BY-SA લાઇસન્સ હેઠળનું વિકિપીડિયા ટેક્સ્ટ Bivalve | Definition, Characteristics, Species, Classification, & Facts ...
વેબBivalve, (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 …
Class Bivalvia - Digital Atlas of Ancient Life
વેબPhylum 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 …
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Class Bivalvia: The Wonders of Bivalves | Earth Life
વેબ26 ઑગસ્ટ, 2020.Class Bivalvia; a comprehensive introduction to the anatomy, ecology, and general biology of bivlaves, clams, mussels, oysters and scallops.
Anatomy of a bivalve | Museum of Zoology - University of …
વેબAnatomy of a bivalve. Inside the shell. Bivalve molluscs come in many shapes and sizes, and live in many different ways. However, there are features shared by all bivalves. …
Bivalve Phylogeny and Classification - Digital Atlas of Ancient Life
વેબOverview. Efforts at bivalve classification and phylogenetic analysis have traditionally been based on prominent morphological features such as gill structure, stomach morphology, …
Characteristics of bivalves | Britannica
વેબClams, cockles, mussels, oysters, scallops, and shipworms are bivalves. Most are completely enclosed by the shell, the two valves of which are joined by an elastic …
Evolutionary History of Bivalves - Digital Atlas of Ancient Life
વેબThe oldest known freshwater bivalves are from the Devonian, but the major non-marine radiation occurred in the Triassic with the appearance of the Unionoida, which today …
Introduction to Bivalvia
વેબHabitat: Bivalves live in marine, brackish or fresh waters. They inhabit waters shallow or deep, warm or icy cold world-wide. Most live in the mud or sand substrate although …
Mollusca: Bivalvia - Morphology - University of California Museum …
વેબBivalves are most easily recognized by their two shells (hence "bi-valv-ia"). Their shells are comprised of a pair of laterally- compressed hinged valves and the pallial cavity …
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