: a genus (the type of the family Caytoniaceae and the order Caytoniales) of fossil gymnospermous plants of the Mesozoic era having seeds enclosed in a carpellike case that suggests their ancestry to the angiosperms

Word History


New Latin, from Cayton, England + New Latin -ia

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Dictionary Entries Near Caytonia

Cite this Entry

“Caytonia.” Dictionary, Merriam-Webster, Accessed 19 May. 2024.

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