Gardner, J.A. (1947) The molluscan fauna of the Alum Bluff Group of Florida. Part VIII. Ctenobranchia (remainder), Aspidobranchia, and Scaphopoda. United States Geological Survey Professional Paper, 142H, 493–656, pls. 52–62.
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Gardner, J. A.
1947
The molluscan fauna of the Alum Bluff Group of Florida. Part VIII. Ctenobranchia (remainder), Aspidobranchia, and Scaphopoda
United States Geological Survey Professional Paper