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presentando hojas primitivas o folíolos. C.B. Beck & D.C. Wight, « Progymnosperms ». Dans : C. B. Beck [ed.], « Origin and evolution of gymnosperms »…1 kB (104 palabras) - 08:39 17 sep 2019- diciembre de 2011. University of California. Museum of Paleontology. «Progymnosperms» (en inglés). Consultado el 30 de diciembre de 2011. (Campbell y Reece…66 kB (6209 palabras) - 06:12 17 may 2024
Resultados de la Wikipedia en inglés.
- another group of progymnosperms gave rise to the first really large trees known as Archaeopteris. The latest surviving group of progymnosperms is the Noeggerathiales…7 kB (495 palabras) - 19:17 6 may 2024
- characteristics of woody trees and herbaceous ferns, and belongs to the progymnosperms, a group of extinct plants with gymnosperm-like wood but that produce…11 kB (1213 palabras) - 17:46 27 may 2024
- the clubmosses, the ferns including the arborescent horsetails, and progymnosperms. This occurred as part of the process of evolution of the timing of…12 kB (1273 palabras) - 16:37 29 nov 2023
- †Progymnosperms (paraphyletic) Spermatophytes…24 kB (2003 palabras) - 05:15 19 may 2024
- †Progymnosperms* †Noeggerathiopsida †Aneurophytopsida †Archaeopteridopsida †Protopityales…79 kB (6219 palabras) - 20:10 26 may 2024
- †Progymnosperms* †Noeggerathiopsida †Aneurophytopsida †Archaeopteridopsida †Protopityales…95 kB (8029 palabras) - 07:13 2 may 2024
- Devonian period, several groups, including the lycopods, sphenophylls and progymnosperms, had independently evolved "megaspory" – their spores were of two distinct…136 kB (14 353 palabras) - 22:02 8 may 2024
- previously linked to horsetails and ferns, but are currently believed to be progymnosperms, being woody like seed plants, but still producing spores rather than…3 kB (218 palabras) - 19:21 6 may 2024
- years ago. Early characteristics of seed plants are evident in fossil progymnosperms of the late Devonian period around 383 million years ago. It has been…37 kB (2802 palabras) - 21:51 20 may 2024
- lycopods, ferns, seed plants (seed ferns, from earlier progymnosperms), first trees (the progymnosperm Archaeopteris), and first winged insects (palaeoptera…172 kB (9469 palabras) - 09:04 29 may 2024
- †Progymnosperms* †Noeggerathiopsida †Aneurophytopsida †Archaeopteridopsida †Protopityales…60 kB (5749 palabras) - 05:22 27 may 2024
- †Progymnosperms* †Noeggerathiopsida †Aneurophytopsida †Archaeopteridopsida †Protopityales…61 kB (6981 palabras) - 08:36 13 may 2024
- forests of primitive plants existed: lycophytes, horsetails, ferns, and progymnosperms evolved. Most of these plants had true roots and leaves, and many were…69 kB (7558 palabras) - 03:29 29 may 2024
- group known as the progymnosperms. These early seed plants ranged from trees to small, rambling shrubs; like most early progymnosperms, they were woody…135 kB (16 793 palabras) - 04:37 20 may 2024
- †Progymnosperms* †Noeggerathiopsida †Aneurophytopsida †Archaeopteridopsida †Protopityales…50 kB (5821 palabras) - 21:01 13 may 2024
- occurred independently in several separate lineages of vascular plants, in progymnosperms like Archaeopteris, in Sphenopsida, ferns and later in the gymnosperms…112 kB (11 606 palabras) - 14:37 18 may 2024
- and by the Late Devonian this first forest was accompanied by the progymnosperms, including the first large trees Archaeopteris. The Late Devonian extinction…74 kB (7812 palabras) - 20:47 28 may 2024
- prevailed, the Noeggerathiales, an extinct group of tree fern-like progymnosperms were a common component of the flora The earliest Permian (~ 298 million…113 kB (11 640 palabras) - 11:25 13 may 2024
- members of Euphyllophytina, the clade that includes trimerophytes, ferns, progymnosperms, and seed plants, are known from Early Devonian fossils. Lycopsids experienced…47 kB (4885 palabras) - 00:26 21 may 2024
- modifications in the alternation of generations evolved. In the Paleozoic era progymnosperms reproduced by using spores dispersed on the wind. The seed plants including…25 kB (3263 palabras) - 12:14 17 may 2024
- †Progymnosperms* †Noeggerathiopsida †Aneurophytopsida †Archaeopteridopsida †Protopityales…53 kB (5510 palabras) - 13:20 7 may 2024