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
Mon 2 March 2026
Bivalvia | ... | Unionidae | Ambleminae | Quadrulini | Quadrulina | Pustulosa pustulosa
nominal species Unio houstonensis Lea, 1859
Unio houstonensis Lea, 1859 = Pustulosa pustulosa
Lea, 1859. Proc. Acad. Nat. Sci. 11: 155.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 8]: 358 [40], pl. 60, fig. 183.
Type(s): HOLOTYPE USNM_85768, Rutersville, Texas.
Taxonomic Opinions
+ Pustulosa pustulosa (Lea, 1831) — FMCS, 2025: [8].
+ Cyclonaias pustulosa (Lea, 1831) — Graf & Cummings, 2021: 20.
+ Cyclonaias pustulosa (Lea, 1831) — FMCS, 2021: [7].
+ Cyclonaias pustulosa (Lea, 1831) — Lopes-Lima et al., 2019: [18], Table 7.
+ Cyclonaias pustulosa (Lea, 1831) — Johnson et al., 2018: 10, fig. 1b.
= Quadrula houstonensis — Chase et al., 2018: Table S2.
= Cyclonaias houstonensis (Lea, 1859) — Williams et al., 2017: 37.
= Quadrula houstonensis — Pfeiffer et al., 2016: 281.
= Quadrula houstonensis (I. Lea, 1859) — ITIS, 2012: [web].
= Quadrula houstonensis — Haag, 2012: 71.
= Quadrula houstonensis — Breton et al., 2011: 1653.
= Quadrula houstonensis Lea, 1859 — Bogan, 2010: [web].
= Amphinaias houstonensis — Cummings & Graf, 2010: 376.
= Amphinaias houstonensis (Lea, 1859) — Graf & Cummings, 2007: 308.
= Quadrula houstonensis (Lea, 1859) — Turgeon et al., 1998: 37.
= Quadrula houstonensis (Lea, 1859) — Howells et al., 1996: 112, text fig..
= Amphinaias houstonensis (Lea, 1859) — IUCN, 1996: [web].
= Quadrula houstonensis (I. Lea) — Williams et al., 1993: 14.
+ Pleurobema riddelli (Lea, 1861) — Vidrine, 1993: 65.
= Quadrula houstonensis (Lea, 1859) — Turgeon et al., 1988: 32.
+ — Haas, 1969.
= Quadrula (Bullata) houstonensis (Lea, 1859) — Frierson, 1927: 49, sp. 211.
= Quadrula (sec. Theliderma) houstonensis (Lea, 1859) — Simpson, 1914: 859.
= Quadrula (sec. Theliderma) houstonensis (Lea, 1859) — Simpson, 1900: 782.
= Unio houstonensis Lea — Singley, 1893: 319.
= Unio houstonensis Lea — B.H. Wright, 1888: [3].
= Margaron (Unio) houstonensis (Lea) — Lea, 1870: 55.
= Unio houstonensis Lea, 1859 — Sowerby, 1868: pl. 81, sp. 425, figs. 425a-b.
