Traits taxon details
original description
Miller, S. A. (1889). North American Geology and Palaeontology for the use of Amateurs, Students and Scientists. <em>Western Methodist Book Concern. Cincinnati.</em> 1-664., available online at https://www.biodiversitylibrary.org/page/22014305 page(s): 389 [details]
original description
(of Helcionellidae Wenz, 1938 †) Wenz, W. (1938-1944). Gastropoda. Teil 1: Allgemeiner Teil und Prosobranchia. In: Schindewolf, O. H. (Ed.) Handbuch der Paläozoologie, Band 6. Bornträger, Berlin, xii + 1639 pp. Lief. 1, pp. 1-240 [March 1938]; 3, pp. 241-480 [October 1938]; 4, pp. 481-720 [July 1939]; 6, pp. 721-960 [August 1940]; 7, pp. 961-1200 [October 1941]; 8, pp. 1201-1506 [October 1943]; 9, pp. 1507-1639, i-xii [August 1944]. page(s): 6(1): 43, 88 [details] Available for editors 
basis of record
Bouchet P., Rocroi J.P., Hausdorf B., Kaim A., Kano Y., Nützel A., Parkhaev P., Schrödl M. & Strong E.E. (2017). Revised classification, nomenclator and typification of gastropod and monoplacophoran families. <em>Malacologia.</em> 61(1-2): 1-526., available online at https://doi.org/10.4002/040.061.0201 [details] Available for editors 
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