With a section on Stratigraphy and age of the Tempskya-bearing rocks of southern Hidalgo County, New Mexico

von Zeller, Robert A.
Veröffentlicht in Ash, Sidney R. North American species of Tempskya and their stratigraphic significance (1976)

Stratigraphy and age of the Tempskya-bearing rocks of southern Hidalgo County, New Mexico

von Zeller, Robert A.
Veröffentlicht 1976

North American species of Tempskya and their stratigraphic significance : By Sidney R. Ash and Charles B(rian) Read. With a section on Stratigraphy and age of the Tempskya-bearin...

von Ash, Sidney Roy
Veröffentlicht 1976

North American Species of Tempskya and Their Stratigraphic Significance : a description of two new species of the Early Cretaceous tree fern Tempskya and a discussion of the char...

von Ash, Sidney R.
Veröffentlicht 1976