pecopteris | (n) Carboniferous fossil fern characterized by a regular arrangement of the leaflets resembling a comb |
genus pecopteris | (n) genus of Carboniferous fossil ferns |
Pecopteris | ‖prop. n. [ NL., fr. Gr. |
genus pecopteris | (n) genus of Carboniferous fossil ferns |
pecopteris | (n) Carboniferous fossil fern characterized by a regular arrangement of the leaflets resembling a comb |
Pecopteris | ‖prop. n. [ NL., fr. Gr. |