Traits taxon details
original description
(of Mathilda (Echinimathilda) Sohl, 1961 †) Sohl, N. F. (1961 (1960)). Archaegastropoda, Mesogastropoda and stratigraphy of the Ripley Owl Creek, and Prairie Bluff Formations. <em>United States Geological Survey Professional Paper.</em> 331-A: 151 pp., 18 pls., available online at https://doi.org/10.3133/pp331A page(s): 131 [details] Available for editors 
basis of record
GrĂ¼ndel, J. (2006). Gastropoden aus dem oberen Bathonium von Luc-sur-Mer/Calvados (Normandie, Frankreich): III. Heterostropha. <em>Freiberger Forschungshefte (C).</em> 511: 1-30. page(s): 5 [details] Available for editors 
additional source
Dockery, D. T. III. (1993). The streptoneuran gastropods, exclusive of the Stenoglossa, off the Coffee Sand (Campanian) of northeastern Mississippi. <em>Mississippi Department of Environmental Quality Office of Geology Bulletin.</em> 129: [1]-191; 42 plates., available online at https://www.mdeq.ms.gov/wp-content/uploads/2017/06/Bulletin-129.pdf page(s): 89 [details]
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