Meaning of zygopterid | Babel Free
Definitions
A member of the Zygopterideae, an extinct family of ferns within order Osmundales having three-dimensional fronds with pinnae in four ranks and a rachis that is radially symmetrical in cross section.
Examples
“As in the zygopterids, the fronds of the coenopterids were […]”
“Phillips and Galtier (2005) also suggested that the ancestral form⟳ of the zygopterids was arborescent, based on the fact that the earliest forms (clepsydroid types) are arborescent.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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