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 | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Euglesa fallax
nominal species Pisidium fallax Sterki, 1896
Pisidium fallax Sterki, 1896 = Euglesa fallax
Sterki, 1896. Nautilus 10(2): 20.
Taxonomic Opinions
= Euglesa (Casertiana) fallax (Sterki, 1896) — Bespalaya et al., 2023: Table 1.
= Pisidium fallax — Saito et al., 2022: Table S1.
= Euglesa (Cyclocalyx) fallax Sterki, 1896 — Mouthon & Forcellini, 2017: 226.
= Pisidium (Cyclocalyx) fallax — Bespalaya et al., 2017: 2123.
= Pisidium (Cyclocalyx) fallax — Fuentealba-Jara et al., 2017: 116.
= Pisidium fallax — Clewing et al., 2013: 251.
= Pisidium fallax Sterki, 1896 — ITIS, 2012: [web].
= Pisidium fallax Sterki, 1896 — Bogan, 2010: [web].
= Pisidium fallax — Schultheiß et al., 2008: Appendix I.
= Pisidium (Cyclocalyx) fallax Sterki, 1896 — Mackie, 2007: 305, 87, figs. 8.100-8.103.
= Cyclocalyx fallax Sterki — Lee & Ó Foighil, 2003: 248, table 1.
= Pisidium fallax Sterki, 1896 — Turgeon et al., 1998: 47.
= Pisidium fallax Sterki — Mackie et al., 1980: 7.
= Pisidium (Cyclocalyx) fallax Sterki, 1896 — Burch, 1975: 7.
= Pisidium (Cyclocalyx) fallax Sterki, 1890 [sic] — Clarke, 1973: 179, pl. 18, fig. 2.
= Pisidium fallax Sterki, 1896 — Herrington, 1962: 38, pl. 4, fig. 5; pl. 7, fig. 11.
