MUSSELp

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

nominal species Ptychorhynchoideus kolasii Modell, 1931

Ptychorhynchoideus kolasii Modell, 1931 = unionoid fossil

Modell, 1931. Palaeontogr. 75: 71, pl. 13, fig.s 7-9; pl . 14, figs. 15d-f.
Modell, 1943. Arch. Moll. 75: 113, pl. 1, figs. 4a-c [as ‘Vanderschaliea kolasii’].

= nomen dubium

Taxonomic Opinions

+ Millard, 2001

= Vanderschaliea kolasii (Modell, 1931) — Modell, 1943

= Ptychorhynchoideus kolasii n. sp. — Modell, 1931

 
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