eccentric grass snail vs ribbed grass snail

Vallonia excentrica compared with Vallonia costata

Key Differences

• eccentric grass snail is Near Threatened while ribbed grass snail is Least Concern.

Taxonomic Classification

Rank	eccentric grass snail	ribbed grass snail
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Mollusca (Moluska)	Mollusca (Moluska)
Class same	Gastropoda (siput)	Gastropoda (siput)
Order same	Stylommatophora (Stylommatophora)	Stylommatophora (Stylommatophora)
Family same	Valloniidae	Valloniidae
Genus same	Vallonia	Vallonia
Species	Vallonia excentrica	Vallonia costata

Evolutionary Relationship

eccentric grass snail and ribbed grass snail share a common ancestor at the Genus level: Vallonia.

Conservation Status

eccentric grass snail

NT — Near Threatened

ribbed grass snail

LC — Least Concern

Physical Characteristics

Attribute	eccentric grass snail	ribbed grass snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

eccentric grass snail

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.

ribbed grass snail

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (Israel), Europe (9 countries), North America (Mexico, United States), Oceania and the Pacific (New Zealand), and South America (Chile).

Shared Countries

Both species can be found in 12 countries:

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