Drepanophycus
noun
Drep·a·no·phy·cus
| \ ˌdrepənōˈfīkəs\
Definition of Drepanophycus
: a genus of very large Devonian fossil plants resembling and probably closely related to the psilophytons but distinguished by spiny verticellate or spiral appendages resembling leaves and sometimes having sporangia in their axils
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