MSBIAS source details
Arnold, R. (1903). The paleontology and stratigraphy of the marine Pliocene and Pleistocene of San Pedro, California. Memoirs of the California Academy of Sciences. 3: 1-420.
133788
Arnold, R.
1903
The paleontology and stratigraphy of the marine Pliocene and Pleistocene of San Pedro, California
Memoirs of the California Academy of Sciences
3: 1-420
Publication
Pyramidellidae section authored by W. H. Dall and P. Bartsch (see. pg. 269).
Date
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2013-01-12 18:30:12Z
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Pyrgiscus R. A. Philippi, 1841 (subsequent type designation)