vs

Frustulia erifuga compared with Frustulia rhomboides

Taxonomic Classification

Rank
Kingdom same	Chromista (أسناخ صبغية)	Chromista (أسناخ صبغية)
Phylum same	Ochrophyta (طحالب داكنة)	Ochrophyta (طحالب داكنة)
Class same	Bacillariophyceae (Bacillariophyceae)	Bacillariophyceae (Bacillariophyceae)
Order same	Naviculales (Naviculales)	Naviculales (Naviculales)
Family same	Amphipleuraceae	Amphipleuraceae
Genus same	Frustulia	Frustulia
Species	Frustulia erifuga	Frustulia rhomboides

Evolutionary Relationship

and share a common ancestor at the Genus level: Frustulia.

Conservation Status

NE — Not Evaluated

NE — Not Evaluated

Physical Characteristics

Attribute
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden.

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Portugal, Sweden), North America (United States), and South America (Brazil).

Frustulia rhomboides is a large, elongated freshwater diatom with a rhomboid outline and a distinctive raphe system embedded in siliceous ribs. It inhabits benthic and epiphytic habitats in acidic, humic freshwater environments including peat bogs and forest streams. This photosynthetic diatom is a bioindicator of acidic, dystrophic freshwater conditions.

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden