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
Thu 18 Dec 2025

Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Nephronaias calamitarum

nominal species Unio calamitarum var. G arcuans Fischer & Crosse, 1894

image of type lot

Unio calamitarum var. G arcuans Fischer & Crosse, 1894 = Nephronaias calamitarum

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(16): 612, pl. 64, figs. 5-5a.
(intro'd as intra-sp. of Unio calamitarum Morelet, 1849)
Type(s): HOLOTYPE (MONOTYPY) BMNH_93-2-4-2009, Baluntie, near Palenque.

= Nephronaias calamitarum

Taxonomic Opinions

+ Nephronaias calamitarum (Morelet, 1849) — Cummings et al., 2025

+ Nephronaias (s.s.) calamitarum (Morelet, 1849) — Haas, 1969

+ Elliptio (Nephronaias) dysoni (Lea, 1859) — Frierson, 1927

= Nephronaias calamitarum var. arcuans (Crosse & Fischer, 1894) — Simpson, 1914

= Unio (Simonaias) cuprinus var. arcuans Crosse & Fischer, 1894 — Martens, 1900

+ Simpson, 1900

= Unio (Simonaias) calamitarum var. G arcuansFischer & Crosse, 1894

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