nut fingernailclam vs Swamp Orb Mussel

Sphaerium rivicola compared with Sphaerium nucleus

Key Differences

• nut fingernailclam is Not Evaluated while Swamp Orb Mussel is Least Concern.

Taxonomic Classification

Rank	nut fingernailclam	Swamp Orb Mussel
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Mollusca (软体动物门)	Mollusca (软体动物门)
Class same	Bivalvia (双壳纲)	Bivalvia (双壳纲)
Order same	Sphaeriida (泥蜆目)	Sphaeriida (泥蜆目)
Family same	Sphaeriidae	Sphaeriidae
Genus same	Sphaerium	Sphaerium
Species	Sphaerium rivicola	Sphaerium nucleus

Evolutionary Relationship

nut fingernailclam and Swamp Orb Mussel share a common ancestor at the Genus level: Sphaerium.

Conservation Status

nut fingernailclam

NE — Not Evaluated

Swamp Orb Mussel

LC — Least Concern

Physical Characteristics

Attribute	nut fingernailclam	Swamp Orb Mussel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

nut fingernailclam

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Ukraine.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇺🇦 Ukraine