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univalve    
a. 单瓣的,单壳的
n. 单壳软体动物

单瓣的,单壳的单壳软体动物

univalve
adj 1: used of mollusks, especially gastropods, as snails etc.
[ant: {bivalve}, {bivalved}]
n 1: a class of mollusks typically having a one-piece coiled
shell and flattened muscular foot with a head bearing
stalked eyes [synonym: {gastropod}, {univalve}]


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  • Gastropod - Wikipedia
    The word gastropod comes from Greek γαστήρ (gastḗr 'stomach') and πούς (poús 'foot'), a reference to the fact that the animal's "foot" is positioned below its guts [7] The earlier name "univalve" means one valve (or shell), in contrast to bivalves, such as clams, which have two valves or shells
  • UNIVALVE Definition Meaning - Merriam-Webster
    The meaning of UNIVALVE is a mollusk with a shell consisting of one valve; especially : gastropod
  • Bivalve vs. Univalve — What’s the Difference?
    Univalve A shell consisting of one valve only; a mollusk whose shell is composed of a single piece, as the snails and conchs
  • Univalves Definition and Examples - Biology Online Dictionary
    Univalves univalve (Science: zoology) A shell consisting of one valve only; a mollusk whose shell is composed of a single piece, as the snails and conchs most univalves are spiral and are the shells of gastropods, but many belong to cephalopods and pteropods
  • UNIVALVE Definition Meaning | Dictionary. com
    UNIVALVE definition: having one valve See examples of univalve used in a sentence
  • Valve (mollusc) - Wikipedia
    The great majority of shelled gastropods or snails have a shell in one part, hence the older name "univalve" The gastropod operculum, when present, even when it is composed mostly of calcium carbonate, is not considered to be a valve
  • Seashell Univalves – Fossil Lady
    Identification, interesting facts and photos depicting 41 species of univalve seashells presented in three separate articles, including information about the living sea sails protected inside the shells
  • Univalve Seashell Identification from Tops, Cones, Cowries, Moon . . .
    What Is a Univalve? Univalves, otherwise known as gastropods or snails (sea snails), possess valves (shells) characterized by a single shell, typically spiraled
  • Univalves and Bivalves - Dana Point Fish Company
    A mollusk with a univalve shell typically has a foot and head that live inside the shell, and can extend or retract outside or inside the shell Univalves can live in the water or outside the water
  • Univalve Shell ID Guide: Conchs, Whelks, Cones, Helmets, and More
    Pick up a spiral shell on the beach, and you’re holding a univalve — a single, continuous shell produced by a gastropod mollusk Unlike bivalves (clams, oysters), univalves are shaped by one coiled or conical structure that grows with the animal inside





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