Arrow-head tree snail vs Blackthorn Mining Bee

Partula sagitta compared with Andrena varians

Key Differences

• Arrow-head tree snail is Extinct while Blackthorn Mining Bee is Least Concern.

Taxonomic Classification

Rank	Arrow-head tree snail	Blackthorn Mining Bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Gastropoda (Gastropoda)	Insecta (Insects)
Order	Stylommatophora (Stylommatophora)	Hymenoptera (Ants, Bees & Wasps)
Family	Partulidae	Andrenidae
Genus	Partula	Andrena
Species	Partula sagitta	Andrena varians

Evolutionary Relationship

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

Conservation Status

Arrow-head tree snail

EX — Extinct

Blackthorn Mining Bee

LC — Least Concern

Physical Characteristics

Attribute	Arrow-head tree snail	Blackthorn Mining Bee
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.

Blackthorn Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden.

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.

Blackthorn Mining Bee

The Blackthorn Mining Bee (Andrena varians) is a species in the genus Andrena. It is currently classified as Least Concern on the IUCN Red List. Distributed across Denmark, Luxembourg, Norway, and Sweden.