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词汇 temnospondyl
释义

Definition of temnospondyl in English:

temnospondyl

nounˌtɛmnə(ʊ)ˈspɒndɪlˌtemnōˈspändl
  • A fossil amphibian of a large group that was dominant from the Carboniferous to the Triassic.

    离椎亚目;化石两栖类

    Order (or grade) Temnospondyli: many families

    Example sentencesExamples
    • The most diverse assemblage are the labyrinthodonts, consisting of temnospondyls and anthracosaurs.
    • However, some Triassic temnospondyls, such as Laidleria, exhibit the pattern of Dendrerpeton, with the jugal and prefrontal broadly sutured, and the orbits well back on the skull.
    • Many Carboniferous temnospondyls appear to have been primarily terrestrial in habits, with strong limbs, but no lateral line canals.
    • If frogs and salamanders both evolved from temnospondyls, and amniotes from anthracosaurs, then these amphibian orders did have a more recent common ancestry than either had with amniotes.
    • At this point, temnospondyls, lepospondyls and reptilomorphs diverged.

Origin

Early 20th century: from modern Latin Temnospondyli (plural), from Greek temnein 'to cut' + spondulos 'vertebra'.

Definition of temnospondyl in US English:

temnospondyl

nounˌtemnōˈspändl
  • An extinct amphibian of a large group that was dominant from the Carboniferous to the Triassic.

    离椎亚目;化石两栖类

    Order (or grade) Temnospondyli: many families

    Example sentencesExamples
    • The most diverse assemblage are the labyrinthodonts, consisting of temnospondyls and anthracosaurs.
    • If frogs and salamanders both evolved from temnospondyls, and amniotes from anthracosaurs, then these amphibian orders did have a more recent common ancestry than either had with amniotes.
    • At this point, temnospondyls, lepospondyls and reptilomorphs diverged.
    • Many Carboniferous temnospondyls appear to have been primarily terrestrial in habits, with strong limbs, but no lateral line canals.
    • However, some Triassic temnospondyls, such as Laidleria, exhibit the pattern of Dendrerpeton, with the jugal and prefrontal broadly sutured, and the orbits well back on the skull.

Origin

Early 20th century: from modern Latin Temnospondyli (plural), from Greek temnein ‘to cut’ + spondulos ‘vertebra’.

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