• Thumbnail for Lyginopteridales
    of the Lyginopteridales suggests that they grew in tropical latitudes of the time, in North America, Europe and China. As the Lyginopteridales are the...
    16 KB (1,990 words) - 22:12, 7 December 2023
  • Thumbnail for Seed plant
    Some of these Devonian seeds are now classified within the order Lyginopteridales. Seed-bearing plants are a clade within the vascular plants (tracheophytes)...
    15 KB (1,368 words) - 21:57, 28 June 2024
  • Thumbnail for Pteridospermatophyta
    of Palaeozoic seed plants tend to be referred to as pteridosperms: Lyginopteridales, Medullosales, Callistophytales and Peltaspermales, with "Mesozoic...
    18 KB (1,595 words) - 18:25, 14 May 2024
  • Thumbnail for Gymnosperm
    Order Caytoniales Order Gigantopteridales Order Glossopteridales Order Lyginopteridales Order Medullosales Order Peltaspermales Order Corystospermales (also...
    37 KB (2,809 words) - 17:10, 15 July 2024
  • Thumbnail for Progymnosperm
    aneurophytaleans are presumed to have given rise to the pteridosperm order, the Lyginopteridales. In Late Devonian times, another group of progymnosperms gave rise...
    7 KB (495 words) - 19:17, 6 May 2024
  • Thumbnail for Lyginopteris
    Division: †Pteridospermatophyta Class: †Lyginopteridopsida Order: †Lyginopteridales Family: †Lyginopteridaceae Genus: †Lyginopteris (Binney) Potonie 1899...
    2 KB (100 words) - 17:38, 14 October 2022
  • Thumbnail for Lagenostoma
    Division: †Pteridospermatophyta Class: †Lyginopteridopsida Order: †Lyginopteridales Family: †Lyginopteridaceae Genus: †Lagenostoma Williamson 1877 Species...
    3 KB (229 words) - 23:31, 13 October 2022
  • Division: †Pteridospermatophyta Class: †Lyginopteridopsida Order: †Lyginopteridales Family: †Lyginopteridaceae Genera Lagenostoma ovulate structures Lyginopteris...
    2 KB (132 words) - 17:42, 3 January 2024
  • Thumbnail for Stamnostoma
    and cone mechanism for creating a chamber for prepollen, as in other Lyginopteridales. Several ovules are borne on an elongate open cupule of bracts. Different...
    2 KB (146 words) - 23:31, 13 October 2022
  • Thumbnail for Callistophytales
    classified within the class Lyginopteridopsida, alongside the order Lyginopteridales. This proposal is controversial due to the apparent sophistication...
    4 KB (351 words) - 16:59, 22 November 2023
  • Thumbnail for Crossotheca
    Division: †Pteridospermatophyta Class: †Lyginopteridopsida Order: †Lyginopteridales Genus: †Crossotheca Zeiller (1883) Species †C. boulayi Zeiller (1883)...
    5 KB (317 words) - 09:54, 15 April 2024
  • †Tetrastichiales Class †Lyginopteridopsida Order †Hexapterospermales Order †Lyginopteridales Class †Pachytestopsida Order †Codonospermales Order †Pachytestales...
    18 KB (1,236 words) - 00:06, 28 December 2023
  • Thumbnail for Callistophytaceae
    tongue-shaped or somewhat lobed, and can closely resemble pinnules of Lyginopteridales fronds such as Mariopteris. Distinguishing the fronds of these two...
    9 KB (1,057 words) - 22:46, 23 June 2023
  • Thumbnail for Moresnetiaceae
    Division: †Pteridospermatophyta Class: †Lyginopteridopsida Order: †Lyginopteridales Family: †Moresnetiaceae Genera Elkinsia ovulate cupule Calathospermum...
    3 KB (125 words) - 09:00, 15 February 2023
  • Thumbnail for Sphenopteris
    Division: †Pteridospermatophyta Class: †Lyginopteridopsida Order: †Lyginopteridales Family: †Lyginopteridaceae Genus: †Sphenopteris Sternberg 1825 Species...
    4 KB (198 words) - 22:58, 13 October 2022
  • Pennsylvanian pollen organ from northwestern Missouri with affinities in the Lyginopteridales". Review of Palaeobotany and Palynology. 234: 136–146. Bibcode:2016RPaPa...
    128 KB (7,442 words) - 05:20, 15 July 2024