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Data last updated
Thu 1 January 2026
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Bivalvia
| ... | Unionidae
| Ambleminae
| Quadrulini
| Quadrulina
| Theliderma cylindrica
nominal species Unio rugosus Chenu, 1862
‘Barnes’ Chenu, 1862. Manuel Conchyl. 2: 138, text fig. (misidentified reference to Unio rugosus Barnes, 1823)
= Theliderma cylindrica Taxonomic Opinions+ Theliderma cylindrica (Say, 1817) — Lopes-Lima et al., 2019 + Quadrula cylindrica cylindrica (Say, 1817) — Watters et al., 2009 + Quadrula cylindrica (Say, 1817) — Parmalee & Bogan, 1998 + Orthonymus cylindricus (Say, 1817) — Haas, 1969 + Quadrula (Orthonymus) cylindrica (Say, 1817) — Frierson, 1927 + Quadrula (s.s.) cylindrica (Say, 1817) — Simpson, 1914 + Quadrula (s.s.) cylindrica (Say, 1817) — Simpson, 1900
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