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  • Bivalvia - Wikipedia
    As a group, bivalves have no head and lack some typical molluscan organs such as the radula and the odontophore Their gills have evolved into ctenidia, specialised organs for feeding and breathing
  • Bivalves (pelecypods, clams, etc. ), Fossils, Kentucky Geological Survey . . .
    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)
  • 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
  • PELECYPOD Definition Meaning - Merriam-Webster
    The meaning of PELECYPOD is lamellibranch
  • Class Bivalvia (Pelecypoda) - SeaNet
    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 The few listed here are ones most often encountered in the field by divers, but are only a tiny fraction of the bivalves that occur in Monterey
  • PELECYPOD Definition Meaning | Dictionary. com
    PELECYPOD definition: any mollusk of the class Pelecypoda (Lamellibranchiata), characterized by a bivalve shell enclosing the headless body and lamellate gills, comprising the oysters, clams, mussels, and scallops See examples of pelecypod used in a sentence
  • PaleoScene - PELECYPOD Fossils
    PaleoScene - Fossils PELECYPODS (Clam Oyster Fossils) (Click on images for larger views)
  • pelecypod, n. adj. meanings, etymology and more | Oxford English . . .
    pelecypod, n adj meanings, etymology, pronunciation and more in the Oxford English Dictionary
  • Pelecypod identification - Fossil ID - The Fossil Forum
    Hi, I believe this is a pelecypod It was found in an early Pennsylvanian formation sandstone hash plate Specimen is 3" overall Would anyone have some thoughts to which superfamily, genus, etc , so I can dig a little deeper on my own? Thank you, Kato
  • 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





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