Middle and Upper Ordovician symmetrical univalved mollusks (Monoplacophora and Bellerophontina) of the Cincinnati arch region
Wahlmann, G. P.
creator
text
bibliography
dcu
Washington
U.S. G.P.O.
1992
1990
monographic
eng
vi, 213, [90] p. ill. 29 cm.
G.P. Wahlmann.
Includes bibliographical references.
n-usc--
Monoplacophora, Fossil
Middle West
Paleontology
Middle west
Paleontology
Ordovician
Archaeogastropoda, Fossil
Middle West
QE805 .W35 1990
564
I 19.16:1066-0
I 19.16:1066-0
89600358
DLC
891127
20160527190908.0
60004