Redefinition of the Upper Pennsylvanian Virgilian Series in Kansas
Cyclic and Reciprocal Sedimentation in Virgilian Strata of Southern New Mexico
The Biota of the Pennsylvanian (Virgilian) Leavenworth Limestone, Midcontinent Region. Part 2: Distribution of Algae
This and that: hair pigments, the hypoxic basis of life and the Virgilian journey of the spermatozoon
The Biota of the Pennsylvanian (Virgilian) Leavenworth Limestone, Midcontinent Region. Part 3: Distribution of Calcareous Foraminifera
The Biota of the Pennsylvanian (Virgilian) Leavenworth Limestone, Midcontinent Region. Part 5: Distribution of Miscellaneous Microfo...
Stratigraphic architecture of the Tonganoxie Paleovalley Fill (Lower Virgilian) in Northeastern Kansas
The Biota of the Pennsylvanian (Virgilian) Leavenworth Limestone Midcontinent Region. Part 4: Distribution of Agglutinated and Silic...
Sandstone diagenesis in an interbedded carbonate-siliciclastic sequence, Virgilian Holder Formation, New Mexico /
Sphenopteridium and Telangiopsis in a Diplopteridium-Like Association from the Virgilian (Upper Pennsylvanian) of New Mexico