MolluscaBase taxon details
Helcionopsis striata Ulrich & Scofield, 1897 †
1744196 (urn:lsid:marinespecies.org:taxname:1744196)
accepted
Species
Tryblidium striatum (Ulrich & Scofield, 1897) † · unaccepted > superseded combination
marine, brackish, fresh, terrestrial
fossil only
Ulrich, E. O.; Scofield, W. H. (1897). The Lower Silurian Gastropoda of Minnesota. <em>The Geology of Minnesota.</em> 3(2): 813-1081, pls. 61-82., available online at https://www.biodiversitylibrary.org/page/14923788 [details] 
MolluscaBase eds. (2025). MolluscaBase. Helcionopsis striata Ulrich & Scofield, 1897 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1744196 on 2025-09-12
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original description
Ulrich, E. O.; Scofield, W. H. (1897). The Lower Silurian Gastropoda of Minnesota. <em>The Geology of Minnesota.</em> 3(2): 813-1081, pls. 61-82., available online at https://www.biodiversitylibrary.org/page/14923788 [details]
basis of record Wahlman G.P. (1992). Middle and Upper Ordovician symmetrical univalved mollusks (Monoplacophora and Bellerophontina) of the Cincinnati Arch region. <em>United States Geological Survey Professional Paper.</em> 1066-O: 1-213.
page(s): 66, pl. 2, fig. 1-6 [details] Available for editors
[request]
basis of record Wahlman G.P. (1992). Middle and Upper Ordovician symmetrical univalved mollusks (Monoplacophora and Bellerophontina) of the Cincinnati Arch region. <em>United States Geological Survey Professional Paper.</em> 1066-O: 1-213.
page(s): 66, pl. 2, fig. 1-6 [details] Available for editors
[request]