Black-Lined Periwinkle vs Cardinal Click Beetle

Littorina saxatilis compared with Ampedus cardinalis

Key Differences

• Black-Lined Periwinkle is Least Concern while Cardinal Click Beetle is Critically Endangered.

Taxonomic Classification

Rank	Black-Lined Periwinkle	Cardinal Click Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Gastropoda (Gastropoda)	Insecta (Insects)
Order	Littorinimorpha (Littorinimorpha)	Coleoptera (Beetles)
Family	Littorinidae	Elateridae
Genus	Littorina	Ampedus
Species	Littorina saxatilis	Ampedus cardinalis

Evolutionary Relationship

Black-Lined Periwinkle and Cardinal Click Beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-Lined Periwinkle

LC — Least Concern

Cardinal Click Beetle

CR — Critically Endangered

Physical Characteristics

Attribute	Black-Lined Periwinkle	Cardinal Click Beetle
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).

Cardinal Click Beetle

Habitat

Inhabits temperate coniferous forests within the Palearctic biogeographic realm.

Range

Distributed across Denmark, Norway, Sweden, and Switzerland. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Cardinal Click Beetle

The Cardinal Click Beetle (Ampedus cardinalis) is a species in the genus Ampedus. It is currently classified as Critically Endangered (CR) on the IUCN Red List. Inhabits temperate coniferous forests within the Palearctic biogeographic realm.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden