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pelecypoda    
软体动物类

软体动物类


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  • Bivalvia - Wikipedia
    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
  • Bivalves (pelecypods, clams, etc. ) - University of Kentucky
    Bivalves (also called pelecypods) are clam and clam-like, shelled invertebrate (lacking a backbone) animals Bivalves are a class of mollusk with two valves, which is where they get their name (“bi” means two in Latin) They are the second-most common seashells in the world today behind their cousins, the gastropods (snails)
  • Class Bivalvia (Pelecypoda) - SeaNet
    Class Bivalvia (Pelecypoda) Bivalves comprise ~20,000 living species It is the second largest class of molluscs after the gastropods (snails slugs) Unfortunately, most are cryptic, buried in sand or nestled in rocky crevices
  • Pelecypod info - The University of Texas at San Antonio
    Only special muscles, called adductor muscles, can close the shells together Upon death, the shell springs open since the adductor muscle fails to work This is why most fossil bivalves are found open or in two pieces The two shells are symmetrical with respect to each other
  • Clams and Bivalves (Pelecypoda) — EcoSpark
    Learn about clams and bivalves (Pelecypoda spp ) benthic macroinvertebrates by exploring the life cycle, feeding habitats, interesting facts and their role in the food chain
  • Bivalves: Class Pelecypoda, Phylum Mollusca
    This is an introduction to the Bivalves (ie, Pelecypoda) the second larges class of Molluscs they are found in fresh and salt water all around the world, wherever there is enough CaCo
  • Bivalve or Pelecypod Shells - Mexican Shells. org
    Older sources will refer to this class as Pelecypoda Included in this class are clams, cockles, oysters, mussels, and scallops Bivalves are known from fossils from the early Cambrian Period, more than 500 million years ago
  • What unique features do bivalves from the class Pelecypoda have?
    Bivalves of the class Pelecypoda, commonly known as clams, oysters, mussels, and scallops, possess distinctive characteristics centered around their two-part hinged shell and adaptations for filter feeding within aquatic environments
  • Bivalvia | INFORMATION | Animal Diversity Web - ADW
    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
  • Pelecypoda | Springer Nature Link
    “ Pelecypoda ” and “ Lamellibranchia ” are later and more commonly used terms; “ Pelecypoda ” is used in this book Pelecypods evolved from the Early Cambrian (Tommotian) molluscan class Rostroconchia (Pojeta et al 1972; though this hypothesis is debatable)





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