7
2
July
173
180
FURNISH, W. M., QUINN, J. H., MCCALEB, J. A. 1964. The Upper Mississippian ammonoid Delepinoceras in North America. Palaeontology, 7, 2, 173–180.
W. M. Furnish, J. H. Quinn and James A. McCaleb The occurrence of a late Mississippian cephalopod, the genus Delepinoceras, is reported from Arkansas and Oklahoma. This fossil, not previously described from the Western Hemisphere, indicates precise correlation of the upper Chester Series and the late lower Namurian of Eurasia and Africa. The Palaeontological Association (Free Access)