Temporal range: Early Triassic-Late Cretaceous ~247–99 Ma
PreꞒ
Ꞓ
O
S
D
C
P
T
J
K
Pg
N
Scientific classification
Kingdom:
Plantae
Division:
†Pteridospermatophyta
Order:
†Peltaspermales
Genus:
Pachypteris
(Brongn. 1828) T.M.Harris.
Species
See text
Synonyms
Thinnfeldia
Pachypteris is a Mesozoic pteridosperm ("seed fern") genus of fossil leaves. It has either been aligned with the peltasperms[1] or the corystosperms.[2]
^Taylor, Thomas N.; Taylor, Edith L.; Krings, Michael (2008). Paleobotany: The Biology and Evolution of Fossil Plants. Elsevier Science. pp. 695–696. ISBN 978-0-12-373972-8.
^Slodownik, Miriam; Hill, Robert S.; McLoughlin, Stephen (October 2023). "Komlopteris: A persistent lineage of post-Triassic corystosperms in Gondwana". Review of Palaeobotany and Palynology. 317: 104950. Bibcode:2023RPaPa.31704950S. doi:10.1016/j.revpalbo.2023.104950.
(2007). The genus Komlopteris, a segregate from Pachypteris, was defined by Barbacka (1994). Pachypteris includes about 20 species ranging from late Triassic...
evidence for this is inconclusive. Corystosperm-aligned seed ferns, such as Pachypteris and Komlopteris were widespread across both hemispheres during the Jurassic...
the archetypal corystosperm Dicroidium, as well as to Kurtziana and Pachypteris, which are also suggested to be a corystoperms, with the particularly...
50 centimetres (20 in) wide. Some other possible corystosperms like Pachypteris may have grown as shrubs. The oldest fossils of corystosperms, belonging...
Bennettitales inside Bennettitopsida. Cycad-like flora, common on dry settings. Pachypteris P. cf. rhomboidalis Fronds Osteno Outcrop. A tree fern, member of the...
Member of Caytoniales Ctenozamites cf. leckenbyi Member of Peltaspermales Pachypteris P. macrophylla A "Pteridosperm", likely either a member of Peltaspermales...
strata along Eurasia, related to rather dry climates. PachypterisPachypteris lanceolata Pachypteris rhomboidalis Lublin Coal Basin Pinnae Affinities with...
Genus Species Location Material Notes Images PachypterisPachypteris nordenskioeldii Braunschweig One specimen of pteridosperm frond. Affinities with...
veins usually form meshes, at least at the midrib. PachypterisPachypteris lanceolata Pachypteris rhomboidalis Cianowice 2 borehole Pinnae Affinities...
Geology Department of the Napoles University between 1861 al 1885) to Pachypteris visianica and Cycadopteris brauniana. Sphenozamites S. rossii S. spp...
Affinities with Araucariaceae or Cheirolepidiaceae inside Pinales. PachypterisPachypteris indica Near Kota village Lower Member Isolated pinnae Affinities...
Barbacka, M. (1994). "Komlopteris Barbacka, gen. nov., a segregate from Pachypteris Brongniart". Review of Palaeobotany and Palynology. 83 (4): 339–349....
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