Sentence Examples

  • The Phyllopoda, Ostracoda and Cirripedia (Thyrostraca) are represented in Cambrian or Silurian rocks by forms which seem to have resembled closely those now existing, so that palaeontology can have little light to throw on the mode of origin of these groups.
  • It is probable also, as already mentioned, that the leaf-like appendages of the Phyllopoda are of a primitive type, and attempts have been made to refer their structure to that of the Annelid parapodium.
  • In many respects, however, the Phyllopoda, and especially A pus, have diverged considerably from the primitive Crustacean type.
  • Whether any of the obscure fossils generally referred to the Phyllopoda or Phyllocarida may have approximated to this hypothetical form it is impossible to say.
  • The Phyllopoda must have branched off very early and from them to the Cladocera the way is clear.

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