Sentence Examples

  • The trilobation of the head and body - due to the expansion and flattening of the sides or "pleura" of the tegumentary skeleton - is so closely repeated in the young of Limulus that the latter has been called " the trilobite stage " of Limulus (fig.
  • No Crustacean exhibits this trilobite form.
  • The bi-ramose structure of the post-oral limbs, demonstrated by Beecher in the trilobite Triarthrus, is no more inconsistent with its claim to be a primitive Arachnid than is the foliaceous modification of the limbs in Phyllopods inconsistent with their relationship to the Arthrostracous Crustaceans such as Gammarus and Oniscus.
  • The simple anomomeristic trilobite, with its equi-formal somites and equi-formal appendages, is one term of the series which ends in the even more simple but degenerate Acari.
  • - Four stages in A B C D ° ```' the development of the trilobite Agnostus nudus.

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