eccentric grass snail vs Javan Rusa

Vallonia excentrica compared with Rusa timorensis

Key Differences

• eccentric grass snail is Near Threatened while Javan Rusa is Vulnerable.

Taxonomic Classification

Rank	eccentric grass snail	Javan Rusa
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Stylommatophora (Stylommatophora)	Artiodactyla (Even-toed Ungulates)
Family	Valloniidae	Cervidae (Deer)
Genus	Vallonia	Rusa
Species	Vallonia excentrica	Rusa timorensis

Evolutionary Relationship

eccentric grass snail and Javan Rusa share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

eccentric grass snail

NT — Near Threatened

Javan Rusa

VU — Vulnerable

Physical Characteristics

Attribute	eccentric grass snail	Javan Rusa
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.

Javan Rusa

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Afrotropic and Oceanian realms.

Range

Distributed across Mauritius, New Zealand, and Norway. 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 2 countries:

🇳🇿 New Zealand 🇳🇴 Norway