Shimek R.L. (1998). Class Scaphopoda. In: Taxonomic Atlas of the Benthic Fauna of the Santa Maria Basin and Western Santa Barbara Channel. The Mollusca Part 1 – The Aplacophora, Polyplacophora, Scaphopoda, Bivalvia and Cephalopoda. Santa Barbara Museum of Natural History. volume 8: 75-96.
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Shimek R.L.
1998
Class Scaphopoda. In: Taxonomic Atlas of the Benthic Fauna of the Santa Maria Basin and Western Santa Barbara Channel. The Mollusca Part 1 – The Aplacophora, Polyplacophora, Scaphopoda, Bivalvia and Cephalopoda. Santa Barbara Museum of Natural History. volume 8: 75-96.