Arrow-head tree snail vs Cottontop Tamarin

Partula sagitta compared with Saguinus oedipus

Key Differences

• Arrow-head tree snail is Extinct while Cottontop Tamarin is Critically Endangered.

Taxonomic Classification

Rank	Arrow-head tree snail	Cottontop Tamarin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Stylommatophora (Stylommatophora)	Primates (Primates)
Family	Partulidae	Callitrichidae
Genus	Partula	Saguinus
Species	Partula sagitta	Saguinus oedipus

Evolutionary Relationship

Arrow-head tree snail and Cottontop Tamarin share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arrow-head tree snail

EX — Extinct

Cottontop Tamarin

CR — Critically Endangered

Physical Characteristics

Attribute	Arrow-head tree snail	Cottontop Tamarin
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.

Cottontop Tamarin

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Colombia. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.