安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Bivalvia - Wikipedia
Bivalvia ( b aɪ ˈ v æ l v i ə ) 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
- bivalve - Encyclopedia Britannica
bivalve, (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 one another at a hinge
- Class Bivalvia - Digital Atlas of Ancient Life
Snapshot: 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 suspension feeders; some deposit feeders and carnivores Geological range: Cambrian to today
- ADW: Bivalvia: INFORMATION
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
- Bivalve Mollusks - Characteristics, Habitat, and Examples - thedailyECO
Bivalves, also known as lamellibranchs or pelecypods, are a class of mollusks distinguished by their two-part shell, which joins dorsally and encloses and protects their body They are often found in marine environments but can also live in freshwater Bivalves are filter feeders, meaning they strain tiny food particles from the water
- The Bivalvia - University of California Museum of Paleontology
The second most diverse group of molluscs behind gastropods, bivalves are one of the most important members of most marine and freshwater ecosystems In fact, there are well over 10,000 described species of bivalve, found from the deepest depths of the oceans, to the streams in your backyard
- Class Bivalvia: The Wonders of Bivalves | Earth Life
Class Bivalvia; a comprehensive introduction to the anatomy, ecology, and general biology of bivlaves, clams, mussels, oysters and scallops
- Introduction to Bivalvia
Habitat: 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 mussels can survive exposed to the air for periods of time between tides Food: Known as filter-feeders, bivalves strain microorganisms from the water, mud or sand
|
|
|