Conodont-based determination of the Silurian-Devonian Boundary in the Valley and Ridge Province, northern and central Appalachians

von Denkler, Kirk E.
Veröffentlicht in Shorter contributions to paleontology and stratigraphy (1988)

Homeognathodus peniculus (Conodonta), a new earliest Pridolian index species, and the Ludlovian-Pridolian Boundary in the central Appalachian basin

von Denkler, Kirk E.
Veröffentlicht in Shorter contributions to paleontology and stratigraphy (1988)