Assertion: eurypterid | /r/HasProperty | at least brackish water forms
Facets:
value: occasionally
type: DEGREE
Source sentences:
text: In these deposits the eurypterids often appear without any marine associates, while occasionally there are some marine or at least brackish water forms associated with them, implying either that they lived in brackish or salt water at times, or that their remains were carried out into such waters by the land streams or estuarine currents" (33, 412).