Pfeiffer's arrangement of the "inoperculate" land shells. [between 1880 and 1923]
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Pfeiffer, Ludwig Georg Karl, 1805-1877
http://n2t.net/ark:/99166/w69g8w8t (person)
There are 1 Entities related to this resource.
http://n2t.net/ark:/99166/w69g8w8t (person)