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 | Myida | Dreissenoidea | Dreissenidae | Rheodreissena

species Rheodreissena lopesi (Alvarenga & Ricci, 1989): specimens
     1 available nominal species synonym

Recent Taxonomic Opinions

Mytilopsis lopesi — Bogan (2010), WoRMS (2011), Graf (2013), Pereira et al. (2014)
Rheodreissena lopesi — Mansur et al. (2019), Ituarte (2020), Mansur et al. (2024)

Range

Tributaries of the lower Amazon Basin, South America.

Map of Georeferenced Specimens

Brazil

MCN_40522. Brazil : Tocantins state: Do Laje­ ado Municipality: rio Tocantins, 09° 53′39″ S 048° 20′ 46″ W

INPA_1025. Brazil: Pará: (Amazon - Xingu): rio Xingu: cachoeira Tapaiuna

INPA_1026. Brazil: Pará: (Amazon - Xingu): rio Xingu: cachoeira Xatêturu