Traits name details
original description
Palmer, K. van W. (1937). The Claibornian Scaphopoda, Gastropoda, and dibranchiate Cephalopoda of the southern United States. <em>Bulletins of American Paleontology.</em> 7(32): 1-730 [part I: 1-548; part II: 90 plates]., available online at https://www.biodiversitylibrary.org/page/30413130 page(s): 282 [details]
basis of record
Squires R.L. (2015). First report of the Eocene gastropod <i>Mitrella (Bastropia)</i> (Neogastropoda: Columbellidae) from the northeast Pacific and paleobiogeographic implications. <em>The Nautilus.</em> 129(2): 63-70. [details]
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