Polynesian Tree Snail vs small tortoiseshell

Partula protracta compared with Aglais urticae

Key Differences

• Polynesian Tree Snail is Extinct while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Polynesian Tree Snail	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Gastropoda (Gastropoda)	Insecta (Insects)
Order	Stylommatophora (Stylommatophora)	Lepidoptera (Butterflies & Moths)
Family	Partulidae	Nymphalidae (Brush-footed Butterflies)
Genus	Partula	Aglais
Species	Partula protracta	Aglais urticae

Evolutionary Relationship

Polynesian Tree Snail and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Polynesian Tree Snail

EX — Extinct

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Polynesian Tree Snail	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Polynesian Tree Snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.