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MUSSELpdb

Taxonomy

Margaritiferidae

Species & Genus Richness by
Taxonomy

Geography

Central America

Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | Unionoida | Unionoidea | Unionidae | Gonideinae | Contradentini

genus Physunio Simpson, 1900: synonymy

4 Recent freshwater species (4 total species)

Synonymy

Physunio Simpson, 1900

Simpson, 1900. Proc. U.S. Nat. Mus. 22: 830.
Simpson, 1914. Descr. Cat. Naiades: 1062.
Type species: Unio gravidus Lea, 1856 (orig. desig.) = Physunio superbus

Physanio Preston, 1916

Preston, 1916. Zool. Rec. 51: 66.
(error for Physunio Simpson, 1900)
Type species: Unio gravidus Lea, 1856 = Physunio superbus

Taxonomic History (since 1900)

The Taxonomic History lists the ways authors have classified the species currently assigned to Physunio, since 1900.

Physunio (s.s.) — Simpson (1900), Preston (1912), Simpson (1914), Haas (1919), Haas (1920), Thiele (1934), Haas (1952), Haas (1969), Haas (1969)
Physunio (sec. Lens) — Preston (1915)
Physunio (Lens) — Prashad (1932)
Physunio — Brandt (1974), Marwoto (1987), Kittivorachate & Yangyuen (2004), Graf & Cummings (2007), Bogan (2010), ... Dai et al. (2024), Zhang et al. (2024), Dai et al. (2025), Dai et al. (2025), Chen et al. (2025)
Contradens — Pfeiffer & Graf (2015), Bolotov et al. (2017), Konopleva et al. (2017)

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