Birch Marble vs Soft-shelled clam

Apotomis betuletana compared with Mya truncata

Key Differences

• Birch Marble is Least Concern while Soft-shelled clam is Vulnerable.

Taxonomic Classification

Rank	Birch Marble	Soft-shelled clam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Bivalvia (Bivalvia)
Order	Lepidoptera (Butterflies & Moths)	Myida (Myida)
Family	Tortricidae	Myidae
Genus	Apotomis	Mya
Species	Apotomis betuletana	Mya truncata

Evolutionary Relationship

Birch Marble and Soft-shelled clam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Birch Marble

LC — Least Concern

Soft-shelled clam

VU — Vulnerable

Physical Characteristics

Attribute	Birch Marble	Soft-shelled clam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Soft-shelled clam

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

Birch Marble

The Birch Marble (Apotomis betuletana) is a species in the genus Apotomis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

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