Assertion: eurypterid | /r/RelatedTo | the seeds of land plants
Facets:
value: with fish
type: OTHER
Source sentences:
text: In the transition beds of England, Sweden, and Russia, the eurypterids are associated more freely with marine forms, but they are also associated with the seeds of land plants and with fish which in the succeeding stage, seem to have ​occupied land waters chiefly.