MUSSELp

MUSSELpdb

Introduction

Browse

d'basing

Search the MUSSELpdb

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

Publication Walker (1918): summary

publication summary

Full Citation

Walker, B. 1918. Notes on North American naides, I. Occasional Papers of the Museum of Zoology, University of Michigan (49): 1-6. Available electronically.

Attributed Nominal Genera

Platynaias Walker, 1918

Walker, 1918. Occ. Pap. Mus. Zool. Univ. Mich. (49): 2.
Ortmann & Walker, 1922. Occ. Pap. Mus. Zool. Univ. Mich. (112): 33.
Type species: Symphynota compressa Lea, 1829 (orig. desig.) = Platynaias compressa

Pterosygna Simpson, 1900

‘Rafinesque’ of Authors.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 665.
Ortmann, 1909. Ann. Carnegie Mus. 5: 196.
Simpson, 1914. Descr. Cat. Naiades: 490.
Ortmann, 1914. Nautilus 28(4): 43.
Walker, 1918. Occ. Pap. Mus. Zool. Univ. Mich. (49): 2.
F.C. Baker, 1928. Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 147.
Haas, 1930. Senckenbergiana 12(6): 326.
(error for Pterosyna Rafinesque, 1831)
Type species: Alasmodonta complanata Barnes, 1823 = Pterosyna complanata

Taxonomic Opinions

Calceola calceolus (Lea) = Sulcularia viridis
+ Calceola angulata Swainson, 1840

Lastena lata (Raf.) = Hemistena lata
+ Unio dehiscens Say, 1829

Simpsoniconcha ambigua (Say) = Simpsonaias ambigua

Unio complanatus Dillwyn, 1817 = Elliptio complanata
+ Unio violaceus Spengler, 1793
 
NSF icon MUSSEL icon
"Making the world a better place, one mollusk at a time."