Rhomboid Fingernailclam vs Swamp Orb Mussel

Sphaerium rhomboideum compared with Sphaerium nucleus

Taxonomic Classification

Rank	Rhomboid Fingernailclam	Swamp Orb Mussel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class same	Bivalvia (Bivalvia)	Bivalvia (Bivalvia)
Order same	Sphaeriida (Sphaeriida)	Sphaeriida (Sphaeriida)
Family same	Sphaeriidae	Sphaeriidae
Genus same	Sphaerium	Sphaerium
Species	Sphaerium rhomboideum	Sphaerium nucleus

Evolutionary Relationship

Rhomboid Fingernailclam and Swamp Orb Mussel share a common ancestor at the Genus level: Sphaerium.

Conservation Status

Rhomboid Fingernailclam

LC — Least Concern

Swamp Orb Mussel

LC — Least Concern

Physical Characteristics

Attribute	Rhomboid Fingernailclam	Swamp Orb Mussel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Rhomboid Fingernailclam

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and United States.

Swamp Orb Mussel

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Sweden, and Ukraine.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway