Aspen Roller vs bar clam

Ancylis laetana compared with Spisula solida

Key Differences

• Aspen Roller is Least Concern while bar clam is Near Threatened.

Taxonomic Classification

Rank	Aspen Roller	bar clam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Bivalvia (Bivalvia)
Order	Lepidoptera (Butterflies & Moths)	Venerida (Venerida)
Family	Tortricidae	Mactridae
Genus	Ancylis	Spisula
Species	Ancylis laetana	Spisula solida

Evolutionary Relationship

Aspen Roller and bar clam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Aspen Roller

LC — Least Concern

bar clam

NT — Near Threatened

Physical Characteristics

Attribute	Aspen Roller	bar clam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aspen Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

bar clam

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

Aspen Roller

The Aspen Roller (Ancylis laetana) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across Belgium, Denmark, Norway, and Sweden.

bar clam

The Bar clam (Spisula solida) is a species in the genus Spisula. It is currently classified as Near Threatened on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden