The Callistophytaceae was a family of seed ferns (pteridosperms) from the Carboniferous and Permian periods. They first appeared in late Middle Pennsylvanian...
9 KB (1,057 words) - 22:46, 23 June 2023
the vegetative structures. Two families have been recognised: the Callistophytaceae, known mainly from the Carboniferous floras of Euramerica; and the...
4 KB (351 words) - 16:59, 22 November 2023
Callistophytaceae (Pteridospermopsida) of the Angwa Sandstone Genus Presence Notes Images Lepidopteris Manyima River, Mbire District, Zimbabwe Dicroidium...
7 KB (475 words) - 11:59, 12 June 2024
(Viséan) Kizel Coal Basin Russia A seed fern belonging to the family Callistophytaceae. Genus includes new species K. flexuosa . Liaoningia Gen. et sp. nov...
162 KB (9,899 words) - 06:35, 29 April 2024
in the uppermost layers and very rare Spores Affinities with the Callistophytaceae in the Callistophytales. Spores from large arboreal to arbustive ferns...
165 KB (6,291 words) - 12:48, 24 May 2024