Assertion: eurypterid | /r/HasProperty | represented by large number of species
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Source sentences:
text: From these various occurrences it is apparent that the eurypterids, though represented by a large number of species in the beds of Wenlock or Niagaran age of Bohemia, are found only rarely and in a most fragmentary condition, although the large marine fauna occurring in the same horizon is one of the largest and most perfect that is known, forming the basis for Barrande's ponderous work on the Système Silurienne in which many volumes are devoted to the description and figuring of the marine fossils, while a very little space suffices for the meagre eurypterid fauna.