The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

The MUSSEL Project Database has moved to a new server, with a new URL! The new address for this page is: https://musselpdb.org/db.php?ty=nomsp&id=2916

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Unionoidea | Unionidae | Ambleminae | Quadrulini | Quadrulina | Theliderma intermedia

nominal species Unio intermedius Conrad, 1836

Conrad, 1836, Monogr. Fam. Unionidae 1(7): 63, pl. 35, fig. 2.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 250.
Type(s): LECTOTYPE ANSP_41606, Nolachucky R., Tenn.

= Theliderma intermedia

Taxonomic Opinions

= Theliderma intermedia (Conrad, 1836) — FMCS, 2025
= Theliderma intermedia (Conrad, 1836) — Neemuchwala et al., 2023
= Theliderma intermedia (Conrad, 1836) — Hopper et al., 2023
= Theliderma intermedia (Conrad, 1836) — Graf & Cummings, 2021
= Theliderma intermedia (Conrad, 1836) — FMCS, 2021
= Quadrula intermedia — Klymus et al., 2020
= Theliderma intermedia (Conrad, 1836) — Lopes-Lima et al., 2019
= Theliderma intermedia (Conrad, 1836) — Williams et al., 2017
= Quadrula intermedia — Jones, 2015
= Quadrula intermedia (Conrad, 1836) — ITIS, 2012
= Quadrula intermedia (Conrad, 1836) — Szumowski et al., 2012
= Quadrula intermedia (Conrad, 1836) — IUCN, 2012
= Quadrula intermedia — Haag, 2012
= Quadrula intermedia Conrad, 1836 — Bogan, 2010
= Theliderma intermedia — Cummings & Graf, 2010
= Quadrula intermedia (Conrad, 1836) — Williams et al., 2008
= Theliderma intermedia (Conrad, 1836) — Graf & Cummings, 2007
= Quadrula intermedia — Zhou et al., 2007
= Quadrula intermedia — Serb et al., 2003
= Theliderma intermedia (Conrad, 1836) — IUCN, 2000
= Quadrula intermedia (Conrad) — Lydeard et al., 1999
= Quadrula intermedia (Conrad, 1836) — Parmalee & Bogan, 1998
= Quadrula intermedia (Conrad, 1836) — Turgeon et al., 1998
= Quadrula intermedia (Conrad) — Williams et al., 1993
= Quadrula intermedia (Conrad, 1836) — Turgeon et al., 1988
= Quadrula intermedia (Conrad, 1836) — R.I. Johnson, 1980
= Quadrula intermedia (Conrad, 1836) — Burch, 1975
= Quadrula intermedia (Conrad, 1836) — Stansbery, 1970
= Orthonymus intermedius (Conrad, 1836) — Haas, 1969
= Quadrula (Orthonymus) intermedia (Conrad, 1836) — Frierson, 1927
= Quadrula intermedia (Conrad) — Ortmann, 1925
= Quadrula intermedia (Conrad) — Ortmann, 1924
= Quadrula intermedia (Conrad, 1836) — Ortmann, 1918
= Quadrula (s.s.) intermedia (Conrad, 1836) — Simpson, 1914
- NO OPINION — de Gregorio, 1914
= Quadrula (s.s.) intermedia (Conrad, 1836) — Simpson, 1900
= Unio intermedius Con. — B.H. Wright, 1888
= Unio intermedius Conrad — Lewis, 1871
= Margaron (Unio) intermedius (Con.) — Lea, 1870
= Unio intermedius Conrad, 1836 — Reeve, 1864
= Unio intermedius Conrad — Küster, 1861
= Unio (Quadrula) intermedius Conr. — Adams & Adams, 1857
= Unio intermedius Conrad — Hanley, 1856
= Unio intermedius Con. — Conrad, 1853
= Margaron (Unio) intermedius (Con.) — Lea, 1852
= Unio intermedius Conrad, 1836 — Conrad, 1836

Page updated: 11:33:12 Mon 08 Sep 2025