Desmoulin's Whorl Snail vs Geyer’s Whorl Snail

Vertigo moulinsiana compared with Vertigo geyeri

Key Differences

• Desmoulin's Whorl Snail is Near Threatened while Geyer’s Whorl Snail is Vulnerable.

Taxonomic Classification

Rank	Desmoulin's Whorl Snail	Geyer’s Whorl Snail
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Mollusca (มอลลัสกา)	Mollusca (มอลลัสกา)
Class same	Gastropoda (ชั้นแกสโทรโพดา)	Gastropoda (ชั้นแกสโทรโพดา)
Order same	Stylommatophora (Stylommatophora)	Stylommatophora (Stylommatophora)
Family same	Vertiginidae	Vertiginidae
Genus same	Vertigo	Vertigo
Species	Vertigo moulinsiana	Vertigo geyeri

Evolutionary Relationship

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

Conservation Status

Desmoulin's Whorl Snail

NT — Near Threatened

Geyer’s Whorl Snail

VU — Vulnerable

Physical Characteristics

Attribute	Desmoulin's Whorl Snail	Geyer’s Whorl Snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Desmoulin's Whorl Snail

Habitat

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

Range

Found across Europe (9 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Shared Countries

Both species can be found in 6 countries:

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