Traits name details
original description
(of ) Spieker, E. M. (1922). The paleontology of the Zorritos Formation of the north Peruvian oil fields. <em>The Johns Hopkins University, Studies in Geology.</em> 3: 1-197, pls. 1-10., available online at https://www.biodiversitylibrary.org/page/19066928 page(s): p. 85-86, pl. 4, fig. 6. [details]
basis of record
Olsson, A. A. (1932). Contributions to the Tertiary paleontology of northern Peru: Part 5, the Peruvian Miocene. <em>Bulletins of American Paleontology.</em> 19(68): 1-272, 24 pls., available online at https://www.biodiversitylibrary.org/page/32532232 page(s): p. 200-201. [details]
additional source
Olsson, A. A. (1964). Neogene mollusks from northwestern Ecuador. Paleontological Research Institution, Ithaca, New York, 256 pp. + 38 pls. page(s): p. 190-191, pl. 35, figs 1-1d. [details]
additional source
Woodring, W. P. (1970). Geology and Paleontology of Canal Zone and Adjoining Parts of Panama. Description of Tertiary Mollusks (Gastropods: Eulimidae, Marginellidae to Helminthoglyptidae). <em>United States Geological Survey Professional Paper.</em> 306-D: 299-452., available online at https://doi.org/10.3133/pp306d page(s): p. 430, pl. 63, figs 22, 24. [details] Available for editors 
additional source
Woodring, W. P. (1957). Geology and Paleontology of Canal Zone and adjoining Parts of Panama. - Geology and Description of Tertiary Mollusks (Gastropods: Trochidae to Turritellidae. <em>Geological Survey Professional Papers.</em> 306: 1-145., available online at https://pubs.usgs.gov/pp/0306a/report.pdf page(s): p. 106, pl. 23, figs 6, 15, 16. [details]
additional source
Loel, W.; Corey, W. H. (1932). The Vaqueros formation, lower Miocene of California I. Paleontology. University of California Publications, Bulletin of the Department of Geological Sciences, 22(3): 31-410, pls. 4-65. page(s): p. 263, pl. 61, figs 2, 8, 11; pl. 62, figs 2, 3. [details]
additional source
Plummer, F. B. (1933). Part 3: Cenozoic systems in Texas. <i>in</i> Sellards; E. H.; Adkins, W. S.; Plummer, F. B. (Eds.) The Geology of Texas, Vol. 1, Stratigraphy. <em>University of Texas Bulletin.</em> 3232, pp. 519-818. page(s): p. 815, pl. 10, fig. 6.; note: As Turritella cf. abrupta [details] Available for editors 
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