Arrow-head tree snail vs Clark's Grebe

Partula sagitta compared with Aechmophorus clarkii

Key Differences

• Arrow-head tree snail is Extinct while Clark's Grebe is Least Concern.

Taxonomic Classification

Rank	Arrow-head tree snail	Clark's Grebe
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Stylommatophora (Stylommatophora)	Podicipediformes (Podicipediformes)
Family	Partulidae	Podicipedidae
Genus	Partula	Aechmophorus
Species	Partula sagitta	Aechmophorus clarkii

Evolutionary Relationship

Arrow-head tree snail and Clark's Grebe share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arrow-head tree snail

EX — Extinct

Clark's Grebe

LC — Least Concern

Physical Characteristics

Attribute	Arrow-head tree snail	Clark's Grebe
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.

Clark's Grebe

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

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.

Clark's Grebe

The Clark's Grebe (Aechmophorus clarkii) is a species in the genus Aechmophorus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.