MUSSELpdb

Introduction

Browse

d'basing

Taxonomy

all genera

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae

Species & Genus Richness by
Taxonomy

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia

Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Unionini | Nodularia douglasiae

nominal species Unio murchisonianus Lea, 1834

Unio murchisonianus Lea, 1834 = Nodularia douglasiae

Lea, 1834. Trans. Amer. Phil. Soc. 5 [O. 1]: 33, pl. 3, fig. 6.
Type(s): HOLOTYPE (MONOTYPY) USNM_84156, China [“Calcutta, India” penciled out].

= Nodularia douglasiae

Taxonomic Opinions

+ Nodularia douglasiae (Griffith & Pidgeon, 1833) — Lopes-Lima et al., 2020

+ Nodularidia douglasiae (Griffith & Pidgeon, 1833) — He & Zhuang, 2013

+ Unio douglasiae douglasiae Gray in Griffith & Pidgeon, 1834 — Haas, 1969

+ Nodularia (s.s.) douglasiae (Gray in Griffith & Pidgeon, 1834) — Simpson, 1914

+ Nodularia (s.s.) douglasiae (Gray) — Preston, 1912

+ Nodularia (s.s.) douglasiae douglasiae (Griffith & Pidgeon, 1834) — Haas, 1911

+ Unio (Nodularia) douglasiae Gray — Martens, 1905

+ Nodularia (s.s.) douglasiae (Gray in Griffith & Pidgeon, 1834) — Simpson, 1900

= Unio murchisonianus Lea — Ihering, 1893

= Margaron (Unio) murchisonianus (Lea) — Lea, 1870

+ Unio douglasiae Gray in Griffith & Pidgeon, 1834 — Sowerby, 1866

= Unio murchisonianus Lea — Küster, 1861

= Unio (Diplodon) murchisonianus Lea — Adams & Adams, 1857

= Margaron (Unio) murchisonianus (Lea) — Lea, 1852

= Unio murchisonianus Lea — Hanley, 1843

= Margarita (Unio) murchisonianus Lea — Lea, 1838

= Margarita (Unio) merchisonianus [sic] (Lea, 1834) — Lea, 1836