| Registros del 1 al 2 de 2 encontrados |
1.- Gastropods from the Lower Mississippian Wassonville limestone in southeastern Iowa
Rollins, Harold B.
New York: American Museum of Natural History, 1975
American Museum Novitates
Revistas
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2.- Pennsylvanian cycles in the Northern mid-continent region
Moore, Raymond C
[S.l.: s.n.], 1931
Illinois State Geological Survey Bulletin
Cª 337-55
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