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The Californian land shells of the Epiphragmophora traskii group
Date:
1916
Citation:
Bartsch, Paul. 1916. "The Californian land shells of the Epiphragmophora traskii group." Proceedings of the United States National Museum. 51 (2170):609–619, 4 pls.. https://doi.org/10.5479/si.00963801.51-2170.609
