Zygopterid

Quick meaning: Zygopterid is a noun meaning (paleobotany) 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.

Meaning

(paleobotany) 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.

Example Sentences

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.

Word Forms

• zygopterids

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