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- Cyathea_cranhamii abstract "Cyathea cranhamii is an extinct species of tree fern. It was described based on permineralised sori from the Early Cretaceous deposits of Apple Bay in Vancouver Island, British Columbia.C. cranhamii has sori arranged in two rows on narrow pinnules. They are covered by globose indusia which resemble those of Sphaeropteris species in morphology. Sporangia are circinate (ring-shaped) and bear multicellular stalks. They diverge from a basal, vascular receptacle. The sporangia contain 64 trilete spores which bear sculpturing on their outer covering (perispore) ranging from irregular granulate or echinate to prominent rodlets. The annulus is nearly vertical and arranged in a single series. It is not interrupted by the stalk. The specimens used to describe C. cranhamii are the first anatomically preserved tree fern sori known from the fossil record. Smith, Rothwell and Stockey (2003) state that \"they represent the most ancient evidence for fertile structures of the Cyatheaceae and demonstrate that essentially modern species of cyatheaceous tree ferns had evolved by the Early Cretaceous\".Numerous Cyathea species are present today in the Americas, especially the Greater Antilles, the Caribbean, and Central and South America.C. cranhamii is named after Gerald Cranham of Parksville, British Columbia, who provided plant specimens for study at the University of Alberta.".
- Cyathea_cranhamii class Leptosporangiate_fern.
- Cyathea_cranhamii division Pteridophyte.
- Cyathea_cranhamii family Cyatheaceae.
- Cyathea_cranhamii genus Cyathea.
- Cyathea_cranhamii genus Cyathea_subg._Cyathea.
- Cyathea_cranhamii kingdom Plant.
- Cyathea_cranhamii order Cyatheales.
- Cyathea_cranhamii wikiPageExternalLink 755.
- Cyathea_cranhamii wikiPageID "8073582".
- Cyathea_cranhamii wikiPageLength "2711".
- Cyathea_cranhamii wikiPageOutDegree "34".
- Cyathea_cranhamii wikiPageRevisionID "482297547".
- Cyathea_cranhamii wikiPageWikiLink Americas.
- Cyathea_cranhamii wikiPageWikiLink Annulus_(botany).
- Cyathea_cranhamii wikiPageWikiLink Apple_Bay.
- Cyathea_cranhamii wikiPageWikiLink British_Columbia.
- Cyathea_cranhamii wikiPageWikiLink Caribbean.
- Cyathea_cranhamii wikiPageWikiLink Category:Cyathea.
- Cyathea_cranhamii wikiPageWikiLink Category:Fern_species.
- Cyathea_cranhamii wikiPageWikiLink Category:Natural_history_of_British_Columbia.
- Cyathea_cranhamii wikiPageWikiLink Central_America.
- Cyathea_cranhamii wikiPageWikiLink Cyathea.
- Cyathea_cranhamii wikiPageWikiLink Cyathea_sect._Cyathea.
- Cyathea_cranhamii wikiPageWikiLink Cyathea_sect._Sphaeropteris.
- Cyathea_cranhamii wikiPageWikiLink Cyathea_subg._Cyathea.
- Cyathea_cranhamii wikiPageWikiLink Cyatheaceae.
- Cyathea_cranhamii wikiPageWikiLink Cyatheales.
- Cyathea_cranhamii wikiPageWikiLink Early_Cretaceous.
- Cyathea_cranhamii wikiPageWikiLink Extinction.
- Cyathea_cranhamii wikiPageWikiLink Greater_Antilles.
- Cyathea_cranhamii wikiPageWikiLink Leaflet.
- Cyathea_cranhamii wikiPageWikiLink Leptosporangiate_fern.
- Cyathea_cranhamii wikiPageWikiLink Parksville,_British_Columbia.
- Cyathea_cranhamii wikiPageWikiLink Plant.
- Cyathea_cranhamii wikiPageWikiLink Pteridophyte.
- Cyathea_cranhamii wikiPageWikiLink Sorus.
- Cyathea_cranhamii wikiPageWikiLink South_America.
- Cyathea_cranhamii wikiPageWikiLink Sporangium.
- Cyathea_cranhamii wikiPageWikiLink Spore.
- Cyathea_cranhamii wikiPageWikiLink University_of_Alberta.
- Cyathea_cranhamii wikiPageWikiLink Vancouver_Island.
- Cyathea_cranhamii wikiPageWikiLinkText "Cyathea cranhamii".
- Cyathea_cranhamii binomial "†Cyathea cranhamii".
- Cyathea_cranhamii binomialAuthority "Smith, Rothwell & Stockey, 2003".
- Cyathea_cranhamii classis Leptosporangiate_fern.
- Cyathea_cranhamii divisio Pteridophyte.
- Cyathea_cranhamii familia Cyatheaceae.
- Cyathea_cranhamii fossilRange Early_Cretaceous.
- Cyathea_cranhamii genus "Cyathea".
- Cyathea_cranhamii imageCaption "Details of the preserved fertile structures of Cyathea cranhamii.".
- Cyathea_cranhamii name "Cyathea cranhamii".
- Cyathea_cranhamii ordo Cyatheales.
- Cyathea_cranhamii regnum "Plantae".
- Cyathea_cranhamii sectio "Cyathea".
- Cyathea_cranhamii species "C. cranhamii".
- Cyathea_cranhamii subgenus "Cyathea".
- Cyathea_cranhamii wikiPageUsesTemplate Template:Italic_title.
- Cyathea_cranhamii wikiPageUsesTemplate Template:Taxobox.
- Cyathea_cranhamii subject Category:Cyathea.
- Cyathea_cranhamii subject Category:Fern_species.
- Cyathea_cranhamii subject Category:Natural_history_of_British_Columbia.
- Cyathea_cranhamii hypernym Species.
- Cyathea_cranhamii type Eukaryote.
- Cyathea_cranhamii type Fern.
- Cyathea_cranhamii type Plant.
- Cyathea_cranhamii type Species.
- Cyathea_cranhamii type Thing.
- Cyathea_cranhamii type Q19088.
- Cyathea_cranhamii type Q756.
- Cyathea_cranhamii comment "Cyathea cranhamii is an extinct species of tree fern. It was described based on permineralised sori from the Early Cretaceous deposits of Apple Bay in Vancouver Island, British Columbia.C. cranhamii has sori arranged in two rows on narrow pinnules. They are covered by globose indusia which resemble those of Sphaeropteris species in morphology. Sporangia are circinate (ring-shaped) and bear multicellular stalks. They diverge from a basal, vascular receptacle.".
- Cyathea_cranhamii label "Cyathea cranhamii".
- Cyathea_cranhamii sameAs Q5197542.
- Cyathea_cranhamii sameAs Cyathea_cranhamii.
- Cyathea_cranhamii sameAs m.026qglq.
- Cyathea_cranhamii sameAs Q5197542.
- Cyathea_cranhamii wasDerivedFrom Cyathea_cranhamii?oldid=482297547.
- Cyathea_cranhamii isPrimaryTopicOf Cyathea_cranhamii.
- Cyathea_cranhamii name "Cyathea cranhamii".