Arrow-head tree snail vs Black roughscale catshark

Partula sagitta compared with Apristurus melanoasper

Key Differences

• Arrow-head tree snail is Extinct while Black roughscale catshark is Least Concern.

Taxonomic Classification

Rank	Arrow-head tree snail	Black roughscale catshark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Chondrichthyes (Cartilaginous Fish)
Order	Stylommatophora (Stylommatophora)	Carcharhiniformes (Ground Sharks)
Family	Partulidae	Scyliorhinidae
Genus	Partula	Apristurus
Species	Partula sagitta	Apristurus melanoasper

Evolutionary Relationship

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

Conservation Status

Arrow-head tree snail

EX — Extinct

Black roughscale catshark

LC — Least Concern

Physical Characteristics

Attribute	Arrow-head tree snail	Black roughscale catshark
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.

Black roughscale catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

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.

Black roughscale catshark

The Black roughscale catshark (Apristurus melanoasper) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.