Disappearing Soil Slug vs Northern Dusky Slug

Arion occultus compared with Arion fuscus

Taxonomic Classification

Rank	Disappearing Soil Slug	Northern Dusky Slug
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Mollusca (มอลลัสกา)	Mollusca (มอลลัสกา)
Class same	Gastropoda (ชั้นแกสโทรโพดา)	Gastropoda (ชั้นแกสโทรโพดา)
Order same	Stylommatophora (Stylommatophora)	Stylommatophora (Stylommatophora)
Family same	Arionidae	Arionidae
Genus same	Arion	Arion
Species	Arion occultus	Arion fuscus

Evolutionary Relationship

Disappearing Soil Slug and Northern Dusky Slug share a common ancestor at the Genus level: Arion.

Conservation Status

Disappearing Soil Slug

DD — Data Deficient

Northern Dusky Slug

DD — Data Deficient

Physical Characteristics

Attribute	Disappearing Soil Slug	Northern Dusky Slug
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Disappearing Soil Slug

Habitat

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

Range

Found in Ireland.

Northern Dusky Slug

Habitat

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

Range

Found across Europe (7 countries).