Kepner, W. A.; Stirewalt, M. A.; Ferguson, F. F. (1939). The ductus genito-intestinalis in the genus Castrada, based upon Castrada lutheri n. sp. Zoologischer Anzeiger. 125: 225–235.
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Kepner, W. A.; Stirewalt, M. A.; Ferguson, F. F.
1939
The ductus genito-intestinalis in the genus Castrada, based upon Castrada lutheri n. sp.