Assertion: eurypterid | /r/AtLocation | river
Facets:
value: in middle and upper ordovicic time
type: TEMPORAL
Source sentences:
text: It is curious to see that the first man to find a eurypterid should, without any clear idea of its age or its true nature, have supposed that it lived in a river.
text: If the eurypterids were living in the rivers in Middle and Upper Ordovicic time, then it is to be expected that their remains would be carried out to sea.
text: The fluviatile origin of the Tarannon has been amply shown, and it is easy to understand on the supposition that the eurypterids were living in the rivers, that fragments of the exoskeletons should be washed out from time to time.
text: The conclusion reached by the author after the study of all available data and in the light of manifold theoretic considerations is that: the eurypterids throughout their entire phylogenetic history lived in the rivers.
text: If the eurypterids were living in those rivers, their exoskeletons would have been floated down, while dead and even living individuals would have been swept down by the force of the torrential floods.