4

An exceptionally preserved Lower Cretaceous ecosystem

Year:
2003
Language:
english
File:
PDF, 803 KB
english, 2003
9

Pteridosperms Are the Backbone of Seed-Plant Phylogeny

Year:
2006
Language:
english
File:
PDF, 8.98 MB
english, 2006
19

Callistophytalean pteridosperms from Permian aged floras of China

Year:
2011
Language:
english
File:
PDF, 1.57 MB
english, 2011
38

Pteridosperms are the backbone of seed-plant phylogeny 1

Year:
2006
Language:
english
File:
PDF, 2.77 MB
english, 2006