Asterotheca
Sign in to savethumb|Palaeozoic fructifications of Ferns or Pteridosperms|alt= thumb|'''Psaronius|Psaronius sp. - trunk section|alt= thumb|Pecopteris arborescens - compression foliage'''
~4 min read
Encyclopedic overview
7 sectionsContents
- Description
- Synonyms
- Reproduction
- Fructifications of some Paleozoic seedless plants
- Significance of seedless vascular plants
- Paleoenvironments
- References
thumb|Palaeozoic fructifications of Ferns or Pteridosperms|alt= thumb|'''Psaronius|Psaronius sp. - trunk section|alt= thumb|Pecopteris arborescens - compression foliage
Asterotheca' is a genus of extinct seedless, spore-bearing, vascularized ferns dating from the Carboniferous of the Paleozoic to the Triassic of the Mesozoic.
Excerpted from Wikipedia’s “Asterotheca” article, available under the CC BY-SA 4.0 licence.