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†Trachyscaphites Cobban & Scott 1964
urn:lsid:organismnames.com:name:1208737
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E6,
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†Trachyscaphites Cobban & Scott 1964
Cobban & Scott 1964. Multinodose scaphitid cephalopods from the lower part of the Pierre Shale and equivalent rocks in the conterminous United States. Professional Papers US Geological Survey, 483-E 1964: i-iv, E1-E13