MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Fri 13 February 2026
Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Paetulunio
species Paetulunio fabalis (Lea, 1831): synonymy
Synonymy
Unio capillus Say, 1831
Say, 1831. Transylvania J. Med. Assoc. Sci. 4: 528.
(renamed Unio lapillus Say, 1831)
Micromya fabalis — Simpson (1900), Simpson (1914)
Lemiox fabalis — Frierson (1927), Haas (1969)
Villosa fabalis — Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009), IUCN (2012)
Paetulunio fabalis — Watters (2018)
Unio fabalis Lea, 1831
Lea, 1831. Trans. Amer. Phil. Soc. 4 [O. 1]: 86, pl. 10, fig. 16.
Type(s): FIGURED SYNTYPE USNM_85270A, Ohio R.
Micromya fabalis — Simpson (1900), Ortmann (1909), Ortmann (1909), Ortmann (1910), Simpson (1914), Ortmann (1924), Ortmann (1925), Haas (1969)
Unio (s.s.) fabalis — Call (1900)
Eurynia (Micromya) fabalis — Ortmann (1912), Ortmann (1918)
Lemiox fabalis — Frierson (1927), Haas (1969)
Ligumia (Micromya) fabalis — Thiele (1934)
Villosa fabalis — Burch (1975), R.I. Johnson (1980), Mackie et al. (1980), Turgeon et al. (1988), Cummings & Mayer (1992), ... Jones (2015), Lane et al. (2016), Williams et al. (2017), Klymus et al. (2020), Gasparini et al. (2020)
Paetulunio fabalis — Watters (2018), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Unio lapillus Say, 1831
Say, 1831. Transylvania J. Med. Assoc. Sci. 4: 528.
Say, 1832. Amer. Conch. 5: pl. 41.
(new name for Unio capillus Say, 1831)
Micromya fabalis — Simpson (1900), Simpson (1914)
Unio (s.s.) fabalis — Call (1900)
Lemiox fabalis — Frierson (1927), Haas (1969)
Villosa fabalis — Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009), IUCN (2012)
Paetulunio fabalis — Watters (2018)
Unio donacopsis de Gregorio, 1914
de Gregorio, 1914. Il Nat. Siciliano 2: 60, pl. 10 figs. 5a-d.
Unio donacopsis — de Gregorio (1914)
Villosa fabalis — Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009), IUCN (2012)
Paetulunio fabalis — Watters (2018)
Taxonomic History (since 1900)
Micromya fabalis — Simpson (1900), Ortmann (1909), Ortmann (1909), Ortmann (1910), Simpson (1914), Ortmann (1924), Ortmann (1925), Haas (1969)
Unio (s.s.) fabalis — Call (1900)
Eurynia (Micromya) fabalis — Ortmann (1912), Ortmann (1918)
Unio donacopsis — de Gregorio (1914)
Lemiox fabalis — Frierson (1927), Haas (1969)
Ligumia (Micromya) fabalis — Thiele (1934)
Villosa fabalis — Burch (1975), R.I. Johnson (1980), Mackie et al. (1980), Turgeon et al. (1988), Cummings & Mayer (1992), ... Jones (2015), Lane et al. (2016), Williams et al. (2017), Klymus et al. (2020), Gasparini et al. (2020)
Paetulunio fabalis — Watters (2018), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
