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

Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Euglesa ventricosa

nominal species Pisidium obtusale Pfeiffer, 1821

Pisidium obtusale Pfeiffer, 1821 = Euglesa ventricosa

Pfeiffer, 1821. Naturgesch. Dtsch. Land-Süßw. Moll. 1: 125, pl. 5, figs. 21-22.
(misidentified reference to Cyclas obtusalis Lamarck, 1818)

= Euglesa ventricosa

Taxonomic Opinions

= Euglesa obtusalis (C. Pfeiffer, 1821) — Vinarski et al., 2020

+ Pisidium (Cyclocalyx) ventricosum Prime, 1851 — Mackie, 2007

= Cyclocalyx (s.s.) obtusalis (C. Pfeiffer, 1821) — Starobogatov et al., 2004

= Pisidium obtusale Pfeiffer, 1821 — Contreras-Arquieta, 2000

+ Pisidium (Cyclocalyx) ventricosum Prime, 1851 — Burch, 1975

+ Pisidium (Cyclocalyx) obtusale (Lamarck, 1818) — Clarke, 1973

+ Pisidium (Cyclocalyx) ventricosum Prime, 1851 — Clarke, 1973

= Pisidium obtusale Pfeiffer, 1821 — Herrington, 1962

= Pisidium (Eupisidium) obtusale C. Pfeiffer — Mandahl-Barth, 1938

= Pisidium obtusale C. Pfeiffer, 1821 — Thiele, 1934

= Pisidium obtusale Pfeiffer — Prime, 1895

= Pisidium (Gruppe Fossarina) obtusale Pfeiffer — Clessin, 1877

= Pisidium obtusale Nilsson — Benoit, 1875

= Pisidium obtusale C. Pfeiffer — Clessin, 1874

= Pisidium obtusale Pfeiffer — Prime, 1852

= Pisidium obtusale Pf. — Schlüter, 1838

= Pisidium obtusale Pf. — Krynicki, 1837

= Pisidium obtusale Pfeiff. — Held, 1836

= Pisidium obtusale Pfeiffer — Jenyns, 1832

+ Cyclas obtusalis Lam. — Nilsson, 1822

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