Home | About | Database | Mussel of the Month | Publications & Presentations

MUSSELpdb

Introduction

Browse

d'basing

Cladomics


Search the MUSSELpdb

Taxonomy

all genera

Summary

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness of
freshwater mussels
by Taxonomy


Species & Genus Richness of
freshwater bivalves
by Family

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia


Species Richness & Endemism of
freshwater mussels
by Geography


Data last updated
Fri 13 February 2026

Bivalvia | Unionida | Etherioidea | Mycetopodidae | Monocondylaeinae | Monocondylaea

species Monocondylaea guarayana (d’Orbigny, 1835): synonymy

20 specimens

Synonymy

image of type lot

Unio (Monocondylaea) guarayana d’Orbigny, 1835

d’Orbigny, 1835. Mag. Zool. 5(61-62): 38.
d’Orbigny, 1846. Voyage dans l’Amérique Méridionale 5(3): 614, pl. 68, figs. 4-7 [as ‘Monocondylaea guarayana’].
Type(s): LECTOTYPE BMNH_54-9-4-17, Rio San Miguel, Guarayos, Bolivia.

Monocondylaea guarayana — Simpson (1900), Simpson (1914), Haas (1931), Haas (1969), Quintana (1982), Pereira et al. (2014), Mansur et al. (2020), Graf & Cummings (2021)
Monocondylaea paraguayana — Simone (2006)

Taxonomic History (since 1900)

Monocondylaea guarayana — Simpson (1900), Simpson (1914), Haas (1931), Haas (1969), Quintana (1982), Pereira et al. (2014), Mansur et al. (2020), Graf & Cummings (2021)
Monocondylaea paraguayana — Simone (2006)

NSF icon

Site developed and maintained by Dan Graf & Kevin Cummings.
Funded by The National Science Foundation.

"Making the world a better place, one mollusk at a time."
MUSSEL icon