Arrow-head tree snail vs Merriam’s Pocket Mouse

Partula sagitta compared with Perognathus merriami

Key Differences

• Arrow-head tree snail is Extinct while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Arrow-head tree snail	Merriam’s Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Stylommatophora (Stylommatophora)	Rodentia (Rodents)
Family	Partulidae	Heteromyidae
Genus	Partula	Perognathus
Species	Partula sagitta	Perognathus merriami

Evolutionary Relationship

Arrow-head tree snail and Merriam’s Pocket Mouse share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arrow-head tree snail

EX — Extinct

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Arrow-head tree snail	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrow-head tree snail

Habitat

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

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arrow-head tree snail

The Arrow-head tree snail, Partula sagitta, is a species. It is currently assessed as extinct on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.