Silicified trilobites of the genus Sphaerocoryphe from the Middle Ordovician of Virginia
Tripp, Ronald P., Rudkin, David M., Evitt, William R.Volume:
34
Language:
english
Journal:
Canadian Journal of Earth Sciences
DOI:
10.1139/e17-064
Date:
June, 1997
File:
PDF, 1.48 MB
english, 1997