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Definition of "palaeozoic" []

  • Of, denoting, or relating to an era of geological time that began 600 million years ago with the Cambrian period and lasted about 375 million years until the end of the Permian period (adjective)

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Use "palaeozoic" in a sentence
  • "“As usual,” Henry noted dryly, “the persons who are needed are hit, while I, who am an unnecessary palaeozoic reptile am only senile.”"
  • "These multitudinous strata present such resemblances and differences among themselves that they are capable of classification into groups or formations, and these formations again are brigaded together into still larger assemblages, called by the older geologists, primary, secondary, and tertiary; by the moderns, palaeozoic, mesozoic, and cainozoic: the basis of the former nomenclature being the relative age of the groups of strata; that of the latter, the kinds of living forms contained in them."
  • "Among the corals, the palaeozoic ‘Tabulata’ are constructed on precisely the same type as the modern millepores; and if we turn to molluscs, the most competent malacologists fail to discover any generic distinction between the ‘Craniae’,"
  • "“As usual,” Henry noted dryly, “the persons who are needed are hit, while I, who am an unnecessary palaeozoic reptile am only senile.”"
  • "Finally, with respect to the ‘Vertebrata’, the same law holds good: certain types, such as those of the ganoid and placoid fishes, having persisted from the palaeozoic epoch to the present time without a greater amount of deviation from the normal standard than that which is seen within the limits of the group as it now exists."
  • "Ancient beaches are met with whose pebbles are like those found on modern shores; the hardened sea-sands of the oldest epochs show ripple-marks, such as may now be found on every sandy coast; nay, more, the pits left by ancient rain-drops prove that even in the very earliest ages, the “bow in the clouds” must have adorned the palaeozoic firmament."