MUSSELpdb

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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 Lewis (1871): summary

publication summary

Full Citation

Lewis, J. 1871. On the shells of the Holston River. American Journal of Conchology 6: 216-226. Available electronically.

Attributed Nominal Species

Taxonomic Opinions

Anodonta oblita Lea = Anodontoides denigratus

Margaritana dehiscens Say = Hemistena lata

Margaritana holstonia Lea = Alasminota holstonia

Margaritana marginata Say = Alasmidonta marginata

Margaritana rugosa Barnes = Lasmigona costata

Unio alatus Say = Potamilus alatus

Unio amœnus Lea = Cambarunio iris

Unio arcaeformis Lea = Epioblasma arcaeformis

Unio argenteus Lea = Pleurobema oviforme

Unio æsopus Green = Plethobasus cyphyus

Unio barnesianus Lea = Pleuronaia barnesiana

Unio biangulatus Lea = Ortmanniana pectorosa

Unio brevidens Lea = Epioblasma brevidens

Unio caperatus Lea = Dromus dromas

Unio capsæformis Lea = Epioblasma capsaeformis

Unio cælatus Con. = Lemiox rimosus

Unio circulus Lea = Obovaria subrotunda

Unio clinchensis Lea = Pleurobema oviforme

Unio compressissimus Lea = Ptychobranchus fasciolaris

Unio conradicus Lea = Medionidus conradicus

Unio cooperianus Lea = Plethobasus cooperianus

Unio copei Lea = Leaunio vanuxemensis

Unio cornutus Barnes = Obliquaria reflexa

Unio crassidens Lamarck = Elliptio crassidens

Unio cuneolus Lea = Fusconaia cuneolus

Unio cylindricus Say = Theliderma cylindrica

Unio dolabelloides Lea = Pleuronaia dolabelloides

Unio dromas Lea = Dromus dromas

Unio ebenus Lea = Reginaia ebenus
+ Unio lesueurianus Lea, 1840

Unio ebenus Lea = Fusconaia subrotunda

Unio edgarianus Lea = Fusconaia cor

Unio elegans Lea = Truncilla truncata

Unio fabalis Lea = Paetulunio fabalis

Unio fassinans Lea = Pleuronaia barnesiana

Unio foliatus Hildreth = Epioblasma flexuosa

Unio gibbosus Barnes = Eurynia dilatata

Unio glaber Lea = Cambarunio iris

Unio glans Lea = Toxolasma lividum

Unio gracilis Barnes = Potamilus fragilis

Unio haysianus Lea = Epioblasma haysiana

Unio holstonensis Lea = Pleurobema oviforme

Unio intermedius Conrad = Theliderma intermedia

Unio iris Lea = Cambarunio iris

Unio irroratus Lea = Cyprogenia stegaria

Unio lesleyi Lea = Pleurobema oviforme

Unio ligamentinus Lam. = Ortmanniana ligamentina

Unio metanever Raf. = Theliderma metanevra

Unio mœstus Lea = Toxolasma lividum

Unio monodontus Say = Cumberlandia monodonta

Unio mooresianus Lea = Pleuronaia dolabelloides

Unio multiradiatus Lea = Lampsilis fasciola

Unio mytiloides Raf. = Pleurobema clava

Unio ovatus Say = Lampsilis ovata

Unio patulus Lea = Pleurobema clava

Unio pernodosus Lea = Pustulosa pustulosa

Unio perpictus Lea = Cambarunio iris

Unio perplexus Lea = Epioblasma torulosa

Unio perradiatus Lea = Lampsilis fasciola

Unio phaseolus Hildreth = Ptychobranchus fasciolaris

Unio pilaris Lea = Fusconaia subrotunda

Unio plenus Lea = Pleurobema plenum

Unio propinquus Lea = Epioblasma propinqua

Unio pudicus Lea = Pleuronaia barnesiana
+ Unio lyonii Lea, 1865

Unio puniceus Hald. = Cambarunio iris

Unio pustulosus Lea = Pustulosa pustulosa

Unio pybasii Lea = Leaunio vanuxemensis

Unio ravenelianus Lea = Pleurobema oviforme

Unio rectus Lam. = Ligumia recta

Unio securis Lea = Ellipsaria lineolata

Unio sparsus Lea = Theliderma sparsa

Unio stewardsonii Lea = Epioblasma stewardsonii

Unio subtentus Say = Ptychobranchus subtentus

Unio tenuissimus Lea = Potamilus leptodon

Unio tesserulæ Lea = Pleurobema oviforme

Unio triangularis Barnes = Epioblasma triquetra

Unio tuberosus Lea = Theliderma metanevra

Unio undulatus Barnes = Amblema plicata

Unio varicosus Lea = Plethobasus cicatricosus

Unio verrucosus Barnes = Cyclonaias tuberculata