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Illustrated biomorphology of the "Angulata" lake form of the basommatophoran snail Lymnaea catascopium Say
Author: Walter, Harold J.
Call no: RP18433
Year: 1969
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The egg-laying habits of Pomatiopsis cincinnatiensis (Lea)
Author: Van der Schalie, Henry; Walter, Harold J.
Call no: RPMOLL581
Year: 1957
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Punctation of the embryonic shell of Bulininae (Planorbidae) and some other Basommatophora and its possible taxonomic-phylogenetic implications
Author: Walter, Harold J.
Call no: RPMOLL583
Year: 1962
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Key to the genera of freshwater gastropods (snails and limpets) occurring in Michigan
Author: Walter, Harold J.; Burch, J. B.
Call no: RPMOLL584
Year: 1957
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Showing results 1 - 4 of 4
Show results 1 - 4 of 4
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Snails (2)
Gastropoda (1)
Gastropoda ... Michigan (1)
Limpets, Freshwater ... Michigan (1)
Lymnaeidae (1)
Planorbidae (1)
Prosobranchia (1)
Snails ... Michigan (1)
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