Found 2 items, similar to pecopteris.
English → English (WordNet) Definition: pecopteris pecopteris n : Carboniferous fossil fern characterized by a regular arrangement of the leaflets resembling a comb
English → English (gcide) Definition: Pecopteris 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. [1913 Webster]