Assertion: dinoflagellate | /r/HasProperty | the source of this biomarker
Facets:
value: in pre-mesozoic strata
type: LOCATION
Source sentences:
text: By integrating dinoflagellate molecular, fossil, and biogeochemical evidence, we propose a revised model for the evolution of thecal tabulations and suggest that the late acquisition of dinosterol in the group is inconsistent with dinoflagellates being the source of this biomarker in pre-Mesozoic strata.