Geyer’s Whorl Snail vs Narrow Mouthed Whorl Snail

Vertigo geyeri compared with Vertigo angustior

Key Differences

• Geyer’s Whorl Snail is Vulnerable while Narrow Mouthed Whorl Snail is Near Threatened.

Taxonomic Classification

Rank	Geyer’s Whorl Snail	Narrow Mouthed Whorl Snail
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Mollusca (软体动物门)	Mollusca (软体动物门)
Class same	Gastropoda (腹足纲)	Gastropoda (腹足纲)
Order same	Stylommatophora (柄眼目)	Stylommatophora (柄眼目)
Family same	Vertiginidae	Vertiginidae
Genus same	Vertigo	Vertigo
Species	Vertigo geyeri	Vertigo angustior

Evolutionary Relationship

Geyer’s Whorl Snail and Narrow Mouthed Whorl Snail share a common ancestor at the Genus level: Vertigo.

Conservation Status

Geyer’s Whorl Snail

VU — Vulnerable

Narrow Mouthed Whorl Snail

NT — Near Threatened

Physical Characteristics

Attribute	Geyer’s Whorl Snail	Narrow Mouthed Whorl Snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Geyer’s Whorl Snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Narrow Mouthed Whorl Snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (8 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 6 countries:

🇩🇰 Denmark 🇫🇷 France 🇮🇹 Italy 🇳🇴 Norway 🇸🇪 Sweden 🇺🇦 Ukraine