Assertion: filamentous feather | /r/HasProperty | widespread
Facets:
value: amongst the whole dinosaur clade
type: OTHER
Source sentences:
text: More recently, findings in Russia of the basal neornithischian Kulindadromeus report that although the lower leg and tail seemed to be scaled, "varied integumentary structures were found directly associated with skeletal elements, supporting the hypothesis that simple filamentous feathers, as well as compound feather-like structures comparable to those in theropods, were widespread amongst the whole dinosaur clade.