eccentric grass snail vs Linnaeus's mouse opossum

Vallonia excentrica compared with Marmosa murina

Key Differences

• eccentric grass snail is Near Threatened while Linnaeus's mouse opossum is Least Concern.

Taxonomic Classification

Rank	eccentric grass snail	Linnaeus's mouse opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Stylommatophora (Stylommatophora)	Didelphimorphia (Didelphimorphia)
Family	Valloniidae	Didelphidae
Genus	Vallonia	Marmosa
Species	Vallonia excentrica	Marmosa murina

Evolutionary Relationship

eccentric grass snail and Linnaeus's mouse opossum share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

eccentric grass snail

NT — Near Threatened

Linnaeus's mouse opossum

LC — Least Concern

Physical Characteristics

Attribute	eccentric grass snail	Linnaeus's mouse opossum
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.

Linnaeus's mouse opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.