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Walcott, C.D. (1883). Fresh-water shells from the paleozoic rocks of Nevada Science. 2(46): 808
301250
Walcott, C.D.
1883
Fresh-water shells from the paleozoic rocks of Nevada
Science
2(46): 808
Publication
Date
action
by
Ampullaria powelli Walcott, 1883 † accepted as Reesidella powelli (Walcott, 1883) † (original description)
Physa prisca Walcott, 1883 † accepted as Physa walcotti Yen & Reeside, 1946 † (original description)
Zaptychius Walcott, 1883 † (original description)
Zaptychius carbonaria Walcott, 1883 † (original description)
Physa prisca Walcott, 1883 † accepted as Physa walcotti Yen & Reeside, 1946 † (original description)
Zaptychius Walcott, 1883 † (original description)
Zaptychius carbonaria Walcott, 1883 † (original description)
Nevada for Ampullaria powelli Walcott, 1883 †
Nevada for Physa prisca Walcott, 1883 †
Nevada for Zaptychius carbonaria Walcott, 1883 †
Nevada for Physa prisca Walcott, 1883 †
Nevada for Zaptychius carbonaria Walcott, 1883 †
