Page last updated
Thu 3 September 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!

Bivalvia | Unionoida | Hyrioidea | Hyriidae | Hyriinae | Echyridella aucklandica

nominal species Diplodon websteri Simpson, 1902

= Echyridella aucklandica

Taxonomic Opinions

+ Echyridella aucklandica (Gray, 1843) — Graf & Cummings, 2021

+ Echyridella aucklandicus (Gray, 1843) — Walker et al., 2014

+ Echyridella aucklandica (Gray, 1843) — Marshall et al., 2014

= Cucumerunio websteri (Simpson, 1902) — IUCN, 2013

= Cucumerunio websteri Simpson, 1902 — Bogan, 2010

= Cucumerunio websteri (Simpson, 1902) — Graf & Cummings, 2007

= Cucumerunio websteri websteri (Simpson, 1902) — Fenwick & Marshall, 2006

= Cucumerunio websteri (Simpson) — Walker et al., 2001

= Hyridella (s.s.) aucklandica websteri (Gray in Dieffenbach, 1843) — Haas, 1969

= Cucumerunio websteri websteri (Simpson, 1902) — Ponder, 1964

= Cucumerunio websteri websteri (Simpson, 1902) — McMichael & Hiscock, 1958

= Diplodon (Hyridella sec. Cucumaria) websteri Simpson, 1902 — Simpson, 1914