New evidence from pre-Permian strata provides an opportunity to enhance our knowledge
of the earliest conifers, and together with previously known information forms the basis for …

Fossii evidence for the most primitve conifers is summarized, and the structure of
permineralized North American specimens is emphasized. Some produce compound cones …

Fossils have played a central role in our understanding of the evolution of conifers.
Interpretation of the seed cone as a compound strobilus and the homologies of the …

The Coniferophyta attained their greatest diversity and abundance during the Mesozoic Era.
Many early forms died out without apparent involvement in the evolution of the modern …

A rich fossil biota from a Pennsylvanian age deposit of eastern North America contains
numerous vegetative and fertile specimens that conform to a single species of primitive …

This paper provides a whole plant concept for a new species, Emporia cryptica sp. nov.
Hernandez-Castillo, Stockey, Rothwell & Mapes (Emporiaceae: Voltziales), the fourth conifer …

It should be realized that origin is the ultimate basis of relationships, and the known facts of
the history of plant groups should take precedence over superficial structural resemblances …

Phylogenetic analysis suggests that the conifer families Majonicaceae and Ullmanniaceae
(voltzian Voltziales), known from the equatorial Late Permian Euro-American flora province …

Late Paleozoic conifer communities originated in moisture-stressed environments along the
paleoequator on the Laurussian continent. By Late Permian time, northward movement of …

A reconsideration of the vegetative structure of a cheirolepidiaceous conifer with
Pseudofrenelopsis parceramosa foliage is presented based on new collections from the …