Grooved Fingernailclam vs nut fingernailclam

Sphaerium simile compared with Sphaerium rivicola

Key Differences

• Grooved Fingernailclam is Least Concern while nut fingernailclam is Not Evaluated.

Taxonomic Classification

Rank	Grooved Fingernailclam	nut fingernailclam
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 simile	Sphaerium rivicola

Evolutionary Relationship

Grooved Fingernailclam and nut fingernailclam share a common ancestor at the Genus level: Sphaerium.

Conservation Status

Grooved Fingernailclam

LC — Least Concern

nut fingernailclam

NE — Not Evaluated

Physical Characteristics

Attribute	Grooved Fingernailclam	nut fingernailclam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grooved Fingernailclam

Habitat

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

Range

Distributed across Norway and United States.

nut fingernailclam

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Ukraine.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway