Bark Snail vs small tortoiseshell

Zonitoides arboreus compared with Aglais urticae

Key Differences

• Bark Snail is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Bark 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	Gastrodontidae	Nymphalidae (Brush-footed Butterflies)
Genus	Zonitoides	Aglais
Species	Zonitoides arboreus	Aglais urticae

Evolutionary Relationship

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

Conservation Status

Bark Snail

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Bark Snail	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bark Snail

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (Israel, Japan, Taiwan), Europe (13 countries), North America (Guatemala, Mexico, United States), Oceania and the Pacific (New Zealand), and South America (4 countries).

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.

Bark Snail

The Bark Snail (Zonitoides arboreus) is a species in the genus Zonitoides. Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.

Shared Countries

Both species can be found in 13 countries:

🇦🇹 Austria 🇧🇪 Belgium 🇩🇰 Denmark 🇫🇷 France 🇩🇪 Germany 🇮🇸 Iceland 🇮🇪 Ireland 🇮🇹 Italy 🇳🇴 Norway 🇵🇱 Poland 🇵🇹 Portugal 🇪🇸 Spain 🇸🇪 Sweden