Birch Marble vs nut fingernailclam

Apotomis betuletana compared with Sphaerium rivicola

Key Differences

• Birch Marble is Least Concern while nut fingernailclam is Not Evaluated.

Taxonomic Classification

Rank	Birch Marble	nut fingernailclam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Bivalvia (Bivalvia)
Order	Lepidoptera (Butterflies & Moths)	Sphaeriida (Sphaeriida)
Family	Tortricidae	Sphaeriidae
Genus	Apotomis	Sphaerium
Species	Apotomis betuletana	Sphaerium rivicola

Evolutionary Relationship

Birch Marble and nut fingernailclam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Birch Marble

LC — Least Concern

nut fingernailclam

NE — Not Evaluated

Physical Characteristics

Attribute	Birch Marble	nut fingernailclam
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.

nut fingernailclam

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Ukraine.

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 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway