Assertion: ancient fern | /r/AtLocation | the fossil record
Facets:
value: after the monilophyte
type: TEMPORAL
value: after spermatophyte clades
type: TEMPORAL
Source sentences:
text: This is not too surprising considering that these ancient ferns first appear in the fossil record shortly after the monilophyte and spermatophyte clades diverged in the Middle Devonian.