PENNSYLVANIAN (ATOKAN) AMMONOIDS FROM THE MAGOFFIN MEMBER OF THE FOUR CORNERS FORMATION, EASTERN KENTUCKY

Autor: WORK, DAVID M., MASON, CHARLES E., BOARDMAN, DARWIN R.
Zdroj: Journal of Paleontology, 2012 May 01. 86(3), 403-416.
Databáze: JSTOR Journals