Pteridospermatophyta, also called "pteridosperms" or "seed ferns" are a polyphyletic grouping of extinct seed-producing plants. The earliest fossil evidence...
18 KB (1,599 words) - 23:42, 26 September 2024
Polypodiophyta †Progymnospermophyta Superdivision Spermatophyta †Pteridospermatophyta Pinophyta Cycadophyta Ginkgophyta Gnetophyta Magnoliophyta (angiosperms)...
24 KB (2,050 words) - 19:56, 12 September 2024
Dayvaultia from the Late Jurassic of North America. "Seed ferns" (Pteridospermatophyta) is a collective term to refer to disparate lineages of fern like...
233 KB (25,193 words) - 13:11, 14 October 2024
Calamopityaceae (category Pteridospermatophyta)
division of extinct seed-bearing plants (spermatophytes) known as Pteridospermatophyta. It is the only family in the monotypic order Calamopityales. This...
14 KB (1,403 words) - 13:18, 2 September 2024
The Sachrang Formation or "Posidonienschiefer" Formation (Whose Vulgar name is "Posidonia Shale") is a geological formation of southwestern Germany, northern...
366 KB (13,381 words) - 12:41, 14 October 2024
in the earliest, long-extinct gymnosperm group, the seed ferns (Pteridospermatophyta). The conifers or Pinophyta are one of four divisions of extant gymnosperms...
12 KB (1,221 words) - 00:12, 5 October 2024
Polypodiophyta – ferns and horsetails Seed plants (spermatophytes) †Pteridospermatophyta – seed ferns Pinophyta – conifers Cycadophyta – cycads Ginkgophyta...
41 KB (3,854 words) - 05:50, 5 August 2024
Lepidopteris callipteroides is a form species for leaves of Late Permian Pteridospermatophyta, or seed ferns, which lived from around 252 million years ago in...
3 KB (213 words) - 00:24, 20 April 2024
Pteridophyta (ferns and horsetails) Rhyniophyta (early plants) Gymnosperms Pteridospermatophyta (seed ferns) Cycadophyta Ginkgophyta Gnetophyta Pinophyta (conifers)...
5 KB (363 words) - 03:52, 6 August 2024
Lyginopteridaceae (category Pteridospermatophyta)
Lyginopteridaceae is an extinct family of plants (Pteridospermatophyta) in North America and European Carboniferous coal measures. Lyginopteridaceae were...
2 KB (132 words) - 17:42, 3 January 2024
Moresnetiaceae (category Pteridospermatophyta)
Moresnetiaceae is a natural family of seed ferns in the Division Pteridospermatophyta that appears in the North American and European Devonian to Carboniferous...
3 KB (125 words) - 09:00, 15 February 2023
Pecopteris and the tree ferns Megaphyton and Caulopteris. Seed ferns or Pteridospermatophyta include Cyclopteris, Neuropteris, Alethopteris, and Sphenopteris...
22 KB (2,737 words) - 12:58, 5 October 2024
Pteruchus (category Pteridospermatophyta)
Pteruchus is a form genus for pollen organs of the seed fern (Pteridospermatophyta family Umkomasiaceae. It was first described by Hamshaw Thomas from...
3 KB (301 words) - 12:55, 26 September 2024
Medullosales (category Pteridospermatophyta)
classification Kingdom: Plantae Clade: Tracheophytes Division: †Pteridospermatophyta Order: †Medullosales Corsin, 1960 Families Alethopteridaceae Codonospermaceae...
21 KB (2,220 words) - 10:48, 27 August 2024
Glossopteris (category Pteridospermatophyta)
is in the order Glossopteridales, which is placed in the division Pteridospermatophyta (often informally called "seed ferns"). In reality, many of the plant...
31 KB (3,427 words) - 20:16, 4 October 2024
Caytoniales (category Pteridospermatophyta)
classification Kingdom: Plantae Clade: Tracheophytes Division: †Pteridospermatophyta Order: †Caytoniales Gothan, 1932 Family: †Caytoniaceae Kräusel, 1926...
10 KB (1,142 words) - 08:58, 31 August 2024
Crossotheca (category Pteridospermatophyta)
Crossotheca is an extinct genus of seed ferns (Pteridospermatophyta) widespread in coal measures of Carboniferous, Permian and Triassic age, with possible...
5 KB (317 words) - 09:54, 15 April 2024
Alethopteris (category Pteridospermatophyta)
classification Kingdom: Plantae Clade: Tracheophytes Division: †Pteridospermatophyta Order: †Medullosales Family: †Alethopteridaceae Genus: †Alethopteris...
2 KB (46 words) - 05:36, 18 May 2024
Lyginopteris (category Pteridospermatophyta)
classification Kingdom: Plantae Clade: Tracheophytes Division: †Pteridospermatophyta Class: †Lyginopteridopsida Order: †Lyginopteridales Family: †Lyginopteridaceae...
2 KB (100 words) - 17:38, 14 October 2022
Lyginopteridales (category Pteridospermatophyta)
classification Kingdom: Plantae Clade: Tracheophytes Division: †Pteridospermatophyta Class: †Lyginopteridopsida Order: †Lyginopteridales Families Moresnetiaceae...
16 KB (1,994 words) - 23:42, 26 September 2024
Glossopteridales (category Pteridospermatophyta)
Glossopteridales is an extinct order of seed plants, known from the Permian of Gondwana. They arose at the beginning of the Permian , and the majority...
4 KB (274 words) - 03:37, 8 December 2023
Sagenopteris phillipsii (category Pteridospermatophyta)
classification Kingdom: Plantae Clade: Tracheophytes Division: †Pteridospermatophyta Order: †Caytoniales Family: †Caytoniaceae Genus: †Sagenopteris Species:...
1 KB (75 words) - 17:56, 14 October 2022
Gigantopterid (category Pteridospermatophyta)
Gigantopterids (Gigantopteridales) is an extinct, possibly polyphyletic group of seed plants known from the Permian period. Gigantopterids were among the...
12 KB (1,241 words) - 19:52, 18 April 2024
Mississippian, forests of Lycopodiophyta, Arthrophyta, Pteridophyta, and Pteridospermatophyta began to grow in these plains. As the conditions became more favorable...
29 KB (3,789 words) - 08:58, 14 July 2024
C. elegans most commonly refers to the model round worm Caenorhabditis elegans. It may also refer to any of the species below. They are listed, first in...
127 KB (13,031 words) - 02:11, 26 July 2024
Caytonanthus (category Pteridospermatophyta)
classification Kingdom: Plantae Clade: Tracheophytes Division: †Pteridospermatophyta Order: †Caytoniales Genus: †Caytonanthus Harris 1937 Species Caytonanthus...
2 KB (110 words) - 14:36, 2 November 2022
recognized include: Lycopodiophyta, Arthrophyta, Pteridophyta, and Pteridospermatophyta. Fossils have been recovered from every rock type in the Llewellyn...
6 KB (585 words) - 19:35, 19 March 2024
Sagenopteris (category Pteridospermatophyta)
classification Kingdom: Plantae Clade: Tracheophytes Division: †Pteridospermatophyta Order: †Caytoniales Family: †Caytoniaceae Genus: †Sagenopteris Presl...
4 KB (299 words) - 18:27, 17 May 2024
Caytonia nathorstii (category Pteridospermatophyta)
classification Kingdom: Plantae Clade: Tracheophytes Division: †Pteridospermatophyta Order: †Caytoniales Family: †Caytoniaceae Genus: †Caytonia Species:...
2 KB (109 words) - 17:57, 14 October 2022
Komlopteris (category Pteridospermatophyta)
Komlopteris is an extinct genus of "seed fern" with possible corystosperm affinities. Fossils have been found across both hemispheres, dating from the...
8 KB (787 words) - 09:43, 21 April 2024