eccentric grass snail vs Osgoods short-tailed opossum

Vallonia excentrica compared with Monodelphis osgoodi

Key Differences

• eccentric grass snail is Near Threatened while Osgoods short-tailed opossum is Least Concern.

Taxonomic Classification

Rank	eccentric grass snail	Osgoods short-tailed 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	Monodelphis
Species	Vallonia excentrica	Monodelphis osgoodi

Evolutionary Relationship

eccentric grass snail and Osgoods short-tailed opossum share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

eccentric grass snail

NT — Near Threatened

Osgoods short-tailed opossum

LC — Least Concern

Physical Characteristics

Attribute	eccentric grass snail	Osgoods short-tailed 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.

Osgoods short-tailed opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.