1-5 of 5 Books

Permian stratigraphy and Fusulinida of Afghanistan with their paleogeographic and paleotectonic implications
By Leven, Ė. I͡A.
Cranial anatomy of primitive captorhinid reptiles from the Late Pennsylvanian and Early Permian, Oklahoma and Texas
Cranial anatomy of primitive captorhinid reptiles from the Late Pennsylvanian and Early Permian, Oklahoma and Texas
By Malcolm J. Heaton
A Dasyleptid from the Permian of Kansas, Lepidodasypus sharovi n. gen., n. sp. (Insecta, Thysanura, Monura)
A Dasyleptid from the Permian of Kansas, Lepidodasypus sharovi n. gen., n. sp. (Insecta, Thysanura, Monura)
By Christopher J. Durden

Latest Pennsylvanian and earliest Permian fusulinid biostratigraphy, Robledo Mountains and adjacent ranges, south-central New Mexico
By G. P. Wahlman,William Edward King
A fossil insect from the lower Permian of the Grand Canyon
A fossil insect from the lower Permian of the Grand Canyon
By Frank M. Carpenter