Asterotheca
Sign in to savethumb|Palaeozoic fructifications of Ferns or Pteridosperms|alt= thumb|'''Psaronius|Psaronius sp. - trunk section|alt= thumb|Pecopteris arborescens - compression foliage'''
Wikidata facts
- Image
- Asterotheca cyathea.jpg
Show 4 more facts
- taxon name
- Asterotheca
- taxon rank
- genus
- start time
- 359200000-
- end time
- 199000000-
Sources (1)
via Wikidata · CC0
~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.