Glatte Grasschnecke vs Schiefe Grasschnecke

Vallonia pulchella compared with Vallonia excentrica

Key Differences

• Glatte Grasschnecke is Vulnerable while Schiefe Grasschnecke is Near Threatened.

Taxonomic Classification

Rank	Glatte Grasschnecke	Schiefe Grasschnecke
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Mollusca (Weichtiere)	Mollusca (Weichtiere)
Class same	Gastropoda (Schnecken)	Gastropoda (Schnecken)
Order same	Stylommatophora (Landlungenschnecken)	Stylommatophora (Landlungenschnecken)
Family same	Valloniidae	Valloniidae
Genus same	Vallonia	Vallonia
Species	Vallonia pulchella	Vallonia excentrica

Evolutionary Relationship

Glatte Grasschnecke and Schiefe Grasschnecke share a common ancestor at the Genus level: Vallonia.

Conservation Status

Glatte Grasschnecke

VU — Vulnerable

Schiefe Grasschnecke

NT — Near Threatened

Physical Characteristics

Attribute	Glatte Grasschnecke	Schiefe Grasschnecke
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Glatte Grasschnecke

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 9 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Israel, Japan), Europe (9 countries), North America (United States), and South America (Argentina, Chile, Uruguay). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Schiefe Grasschnecke

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 5 distinct biome types spanning the Australasia and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Israel), Europe (9 countries), North America (Mexico, United States), and Oceania and the Pacific (New Zealand). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Glatte Grasschnecke

The Beautiful grass snail (Vallonia pulchella) is a species in the genus Vallonia. It is currently classified as Vulnerable on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 9 distinct biome types. Populations are also found in montane.

Shared Countries

Both species can be found in 10 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇫🇷 France 🇬🇷 Greece 🇮🇱 Israel 🇮🇹 Italy 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇺🇸 United States