Welwitschiaceae from the Lower Cretaceous of northeastern Brazil.

  title={Welwitschiaceae from the Lower Cretaceous of northeastern Brazil.},
  author={David L Dilcher and Mary Elizabeth C Bernardes-de-Oliveira and Denise Pons and Terry A Lott},
  journal={American journal of botany},
  volume={92 8},
Welwitschiaceae, a family in the Gnetales, is known today from only one extant species, Welwitschia mirabilis. This species is distributed in the Namibian desert, along the western coast of southern Africa, about 10 km inland from the coast. Very little is known about the fossil record of this family. Lower Cretaceous megafossils of various organs, assigned to Welwitschiaceae, are presented here. These fossils include young stems with paired cotyledons attached (Welwitschiella austroamericana n… CONTINUE READING