Black-Lined Periwinkle vs Broom Flat-body

Littorina saxatilis compared with Agonopterix scopariella

Key Differences

• Black-Lined Periwinkle is Least Concern while Broom Flat-body is Near Threatened.

Taxonomic Classification

Rank	Black-Lined Periwinkle	Broom Flat-body
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Gastropoda (Gastropoda)	Insecta (Insects)
Order	Littorinimorpha (Littorinimorpha)	Lepidoptera (Butterflies & Moths)
Family	Littorinidae	Depressariidae
Genus	Littorina	Agonopterix
Species	Littorina saxatilis	Agonopterix scopariella

Evolutionary Relationship

Black-Lined Periwinkle and Broom Flat-body share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-Lined Periwinkle

LC — Least Concern

Broom Flat-body

NT — Near Threatened

Physical Characteristics

Attribute	Black-Lined Periwinkle	Broom Flat-body
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-Lined Periwinkle

Habitat

Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (Namibia, South Africa), Europe (5 countries), and North America (United States).

Broom Flat-body

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Black-Lined Periwinkle

The Black-Lined Periwinkle (Littorina saxatilis) is a species in the genus Littorina. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Broom Flat-body

The Broom Flat-Body (Agonopterix scopariella) is a species in the genus Agonopterix. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden