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Wikipedia वर सर्व पहाBivalvia , 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 … अधिक पहा
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. … अधिक पहा
Brachiopods are shelled marine organisms that superficially resemble bivalves in that they are of similar size and have a hinged shell in two parts. … अधिक पहा
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 … अधिक पहा
Bivalves have bilaterally symmetrical and laterally flattened bodies, with a blade-shaped foot, vestigial head and no radula. At the dorsal or … अधिक पहा
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 … अधिक पहा
CC-BY-SA परवाना अंतर्गत विकिपीडिया मजकूर वेबBivalve, (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 divided from front to back into left and right valves. The valves are connected to …
Tweekleppigen (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…
Wikipedia · CC-BY-SA परवाना खालील मजकूर- अंदाजे वाचन वेळ: 3 मिनिटे
वेबSnapshot: 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
वेबClams, 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 ligament, and by two sheets of tissue called the …
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वेबFordilla was one of these earliest bivalves, characterized by its small size, anterior adductor muscle larger than the posterior, and a single hinge tooth in each valve. The bivalve Fordilla troyensis from the Early Cambrian of …
वेब26 जाने, 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 characterized by possessing two shells secreted by a mantle that extends in a sheet on either side of the body.
वेबOverview. Efforts at bivalve classification and phylogenetic analysis have traditionally been based on prominent morphological features such as gill structure, stomach morphology, hinge teeth, siphons, etc. More recently, molecular data have begun to play a …
Bivalvia - Wikiwand
वेबBivalvia, 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.
वेबBivalve - Mollusks, Shells, Filter Feeders: Paleontologists interpret bivalves based on shell and ligament structure, hinge teeth arrangement, and body form. Class Bivalvia has about 8,000 extant species divided into six subclasses: Palaeotaxodonta (Protobranchia), Cryptodonta, Pteriomorphia, Palaeoheterodonta, Heterodonta, and Anomalodesmata.
Ulcinj Bivalvia Apartments | Hotel: Ulcinj Bivalvia Apartments
जाहिरातUlcinj Bivalvia Apartments - Compare Rates. The Best deals for 2023. Ulcinj Bivalvia Apartments. Hotel Rates, Specials, Offers. Book suite rooms & more.
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