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- Pachypteris abstract "Pachypteris (Brongn.) T.M.Harris. is a Mesozoic pteridosperm leaf fossil probably belonging to the seed fern Order Corystospermales.Pachypteris is represented by hypostomatic, bipinnate or unipinnate leaves, with alethopteridian venation (midvein and secondary veins divided once or twice before reaching the pinnule margin), pinnules with entire margins and rounded apices. The stomata are haplocheilic, monocyclic or dicyclic, usually depressed, with the guard cells occurring in the lowermost part of the stoma.The affinities of Pachypteris lay with Cycadopteris, Komlopteris, Dicroidium (a typical Corystospermalean foliage) and Ptilozamites. It includes the former denomination Thinnfeldia Ettingshausen 1852, a junior synonym of Pachypteris, as Doludenko (1971) showed. The genus was detailed by Harris (1964), Doludenko (1974), Schweitzer and Kirchner (1998), Popa (2000), and Gordenko (2007). The genus Komlopteris, a segregate from Pachypteris, was defined by Barbacka (1994).Pachypteris includes about 20 species ranging from late Triassic to Lower Cretaceous, such as P. speciosa, P. rhomboidalis, P. gradinarui, etc. This genus is mainly a boreal taxon, being extensively reported in Europe, Iran, Afghanistan, China and North America, but it has been cited from Gondwanic occurrences as well, such as India, Argentina and Australia.".
- Pachypteris binomialAuthority Adolphe-Th%C3%A9odore_Brongniart.
- Pachypteris division Pteridospermatophyta.
- Pachypteris kingdom Plant.
- Pachypteris order Corystospermales.
- Pachypteris synonym "* Thinnfeldia".
- Pachypteris wikiPageID "28297981".
- Pachypteris wikiPageRevisionID "532071605".
- Pachypteris binomialAuthority "Harris".
- Pachypteris divisio "†Pteridospermatophyta".
- Pachypteris genus "Pachypteris".
- Pachypteris hasPhotoCollection Pachypteris.
- Pachypteris ordo "†Corystospermales?".
- Pachypteris regnum "Plantae".
- Pachypteris subdivisionRanks "Species".
- Pachypteris subdivisions "see text".
- Pachypteris synonyms "* Thinnfeldia".
- Pachypteris subject Category:Mesozoic_life.
- Pachypteris subject Category:Prehistoric_plants.
- Pachypteris type LivingThing100004258.
- Pachypteris type Object100002684.
- Pachypteris type Organism100004475.
- Pachypteris type PhysicalEntity100001930.
- Pachypteris type Plant100017222.
- Pachypteris type PrehistoricPlants.
- Pachypteris type Whole100003553.
- Pachypteris type Eukaryote.
- Pachypteris type Plant.
- Pachypteris type Species.
- Pachypteris type Organism.
- Pachypteris comment "Pachypteris (Brongn.) T.M.Harris. is a Mesozoic pteridosperm leaf fossil probably belonging to the seed fern Order Corystospermales.Pachypteris is represented by hypostomatic, bipinnate or unipinnate leaves, with alethopteridian venation (midvein and secondary veins divided once or twice before reaching the pinnule margin), pinnules with entire margins and rounded apices.".
- Pachypteris label "Pachypteris".
- Pachypteris sameAs m.0cn_xr8.
- Pachypteris sameAs Q7122207.
- Pachypteris sameAs Q7122207.
- Pachypteris sameAs Pachypteris.
- Pachypteris wasDerivedFrom Pachypteris?oldid=532071605.
- Pachypteris isPrimaryTopicOf Pachypteris.