genus Pecopteris

noun
genus of Carboniferous fossil ferns
Hypernyms: ↑fern genus
Member Holonyms: ↑Pteridophyta, ↑division Pteridophyta
Member Meronyms: ↑pecopteris

Useful english dictionary. 2012.

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  • Pecopteris — Taxobox fossil range = Devonian to early Permian image caption = Partial frond of Pecopteris villosa from Mazon Creek (Carboniferous) regnum = Plantae divisio = classis = subclassis = ordo = familia = genus = Pecopteris genus authority = Brongn.… …   Wikipedia

  • pecopteris — noun Carboniferous fossil fern characterized by a regular arrangement of the leaflets resembling a comb • Hypernyms: ↑fern • Member Holonyms: ↑genus Pecopteris * * * pə̇ˈkäptərə̇s noun Usage: capitalized Etymology: New Latin …   Useful english 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. [1913 Webster] …   The Collaborative International Dictionary of English

  • fern genus — noun genera of ferns and fern allies • Hypernyms: ↑genus • Hyponyms: ↑genus Pecopteris, ↑Hymenophyllum, ↑genus Hymenophyllum, ↑Trichomanes, ↑genus Trichomanes, ↑genus Osmun …   Useful english dictionary

  • pecopteroid — ˌrȯid adjective Etymology: New Latin Pecopteris + English oid : like or related to the genus Pecopteris …   Useful english dictionary

  • Psaronius — taxobox fossil range=Late Carboniferous Permian image caption=A transverse section through a Psaronius stem. 12cm across. image2 caption=An equivalent section through a modern tree fern. 6cm across. regnum = Plantae divisio = Pteridophyta classis …   Wikipedia

  • division Pteridophyta — noun containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta • Syn: ↑Pteridophyta • Hypernyms: ↑division • Member Holonyms:… …   Useful english dictionary

  • Pteridophyta — noun containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta • Syn: ↑division Pteridophyta • Hypernyms: ↑division • Member… …   Useful english dictionary

  • Carboniferous Period — Interval of geologic time 354–290 million years ago, marked by great changes in world geography. All the landmasses drew closer together as a result of tectonic plate movements. The supercontinent Gondwana occupied much of the Southern Hemisphere …   Universalium

  • Carboniferous — For the album by Zu see Carboniferous (album). Carboniferous Period 359.2–299 million years ago …   Wikipedia

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