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Carboniferous fossil fern characterized by a regular arrangement of the leaflets resembling a comb
Answer for the clue "Carboniferous fossil fern characterized by a regular arrangement of the leaflets resembling a comb ", 10 letters:
pecopteris
Word definitions for pecopteris in dictionaries
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Pecopteris \Pe*cop"te*ris\, n. [NL., fr. Gr. ? to comb + ? a kind of fern.] (Paleon.) An extensive genus of fossil ferns; -- so named from the regular comblike arrangement of the leaflets.
Wikipedia
Word definitions in Wikipedia
Pecopteris is a very common form genus of leaves . Most Pecopteris leaves and fronds are associated with the marattialean tree fern Psaronius . However, Pecopteris -type foliage also is borne on several filicalean ferns, and at least one seed fern . Pecopteris ...
WordNet
Word definitions in WordNet
n. Carboniferous fossil fern characterized by a regular arrangement of the leaflets resembling a comb