Baker, H. B. (1926). The Mollusca collected by the University of Michigan-Williamson Expedition in Venezuela. Part IV. Occasional Papers of the Museum of Zoology, University of Michigan. 167: 1-65.
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Baker, H. B.
1926
The Mollusca collected by the University of Michigan-Williamson Expedition in Venezuela. Part IV.
Occasional Papers of the Museum of Zoology, University of Michigan