Xiphosura sentence example

xiphosura
  • They may be regarded as " macrourous " Xiphosura; that is to say, Xiphosura in which the nomomeristic number of eighteen From Zittel's Palaeontology.
    0
    0
  • However different in structure Trilobites may be, they all agree in possessing a head-shield usually semi-circular in shape, which results from the fusion of apparently five segments, and bears, except in some blind forms, a pair of large reniform compound eyes like those of the king-crab (Xiphosura).
    0
    0