Middle Ordovician Lophospira (Archaeogastropoda) from the Upper Mississippi Valley
Tofel, Jane Evans, Bretsky, Peter W.Volume:
61
Language:
english
Journal:
Journal of Paleontology
DOI:
10.1017/s0022336000029061
Date:
July, 1987
File:
PDF, 6.74 MB
english, 1987