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Page last updated
Thu 17 July 2025

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!


Publication Haas (1952): summary
     publication summary

Complete Citation

Haas, F. 1952. Some non-marine mollusks from northwest and southwest Siam. Natural History Bulletin of the Siam Society 15(1): 21-25. Available electronically.

Attributed Nominal Species

Trapezoideus pulcher Haas, 1952
‘Taaparone-Canefri’ [sic] Haas, 1952. Bull. Nat. Hist. Siam Soc. 15(1): 23.
(misidentified reference to Unio pulcher Tapparone Canefri, 1889)
Type(s): SPECIMENS FMNH_33020, Klong Klung River, Kam Peng Pet Prov., NW Siam.

Taxonomic Opinions

Chamberlainia hainesiana (Lea)
+ Unio paviei Morlet, 1891

Contradens ascia (Hanley) = Lens contradens

Contradens ascia fischerianus (Morlet) = Lens micropterus

Contradens rusticus (Lea) = Lens contradens

Ensidens (s.s.) ingallsianus (Lea) = Ensidens ingallsianus

Ensidens (s.s.) sagittarius (Lea) = Ensidens sagittarius

Ensidens (Uniandra) asperulus (Lea) = Lens contradens

Hyriopsis myersiana (Lea)

Physunio (s.s.) gravidus (Lea) = Physunio superbus

Physunio (s.s.) inornatus (Lea) = Lens inornatus

Pilsbryoconcha exilis (Lea)

Scabies scobinata (Lea) = Scabies scobinatus

Trapezoideus pulcher (Taaparone-Canefri) [sic] = Lamellidens generosus

 
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