Arrow-head tree snail vs Blunt-headed Salamander

Partula sagitta compared with Ambystoma amblycephalum

Key Differences

Arrow-head tree snail is Extinct while Blunt-headed Salamander is Critically Endangered.

Taxonomic Classification

Rank	Arrow-head tree snail	Blunt-headed Salamander
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Amphibia (Amphibians)
Order	Stylommatophora (Stylommatophora)	Caudata (Caudata)
Family	Partulidae	Ambystomatidae
Genus	Partula	Ambystoma
Species	Partula sagitta	Ambystoma amblycephalum

Evolutionary Relationship

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

View Kingdom: Animalia

Conservation Status

Arrow-head tree snail

EX — Extinct

Blunt-headed Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Arrow-head tree snail	Blunt-headed Salamander
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.

Blunt-headed Salamander

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Mexico. 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.

Blunt-headed Salamander

The Blunt-headed Salamander (Ambystoma amblycephalum) is a species in the genus Ambystoma. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neo