A new conifer genus from the Lower Cretaceous Glen Rose Formation, Texas

Volume / Part: 27 / 4
Publication Date: December 1984
Page(s): 719 - 727
Authored By: Joan Watson and Helen L. Fisher

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A new genus, Glenrosa, is erected to include two species of fossil conifer shoots, G. texensis (Fontaine) comb. nov. (the type species) and G. pagiophylloides (Fontaine) comb. nov. which are found interspersed with conifer species belonging to the family Cheirolepidiaceae. The stomatal arrangement of the new genus, which is similar to that of the extant angiosperm Nerium oleander L. of the Apocynaceae but unlike any other gymnosperm, shows extreme xeromorphy and is probably an adaptation to an arid environment.

Palaeontology - Volume 27 Part 4 Pages 719-727

Palaeontology - Volume 27 Part 4 Pages 719-727

Citations

WATSON, J., FISHER, H. L. 1984. A new conifer genus from the Lower Cretaceous Glen Rose Formation, Texas. Palaeontology, 27, 4, 719–727.