sharp-ribbed door snail vs small tortoiseshell

Clausilia cruciata compared with Aglais urticae

Key Differences

• sharp-ribbed door snail is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	sharp-ribbed door 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	Clausiliidae	Nymphalidae (Brush-footed Butterflies)
Genus	Clausilia	Aglais
Species	Clausilia cruciata	Aglais urticae

Evolutionary Relationship

sharp-ribbed door snail and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

sharp-ribbed door snail

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	sharp-ribbed door snail	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

sharp-ribbed door snail

Habitat

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

Range

Distributed across Norway, Sweden, and Ukraine.

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.

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇸🇪 Sweden 🇺🇦 Ukraine