vs

Surirella angusta compared with Surirella biseriata

Taxonomic Classification

Rank
Kingdom same	Chromista (โครมิสตา)	Chromista (โครมิสตา)
Phylum same	Ochrophyta (Ochrophyta)	Ochrophyta (Ochrophyta)
Class same	Bacillariophyceae (Bacillariophyceae)	Bacillariophyceae (Bacillariophyceae)
Order same	Surirellales (Surirellales)	Surirellales (Surirellales)
Family same	Surirellaceae	Surirellaceae
Genus same	Surirella	Surirella
Species	Surirella angusta	Surirella biseriata

Evolutionary Relationship

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

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 and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Norway, Portugal, and Sweden.

Habitat

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

Range

Distributed across Brazil, Norway, Portugal, Sweden, and Taiwan.

Surirella biseriata is a large, boat-shaped freshwater diatom with two rows of fibulae forming a distinctive pattern along both sides of the valve. It inhabits benthic zones of clean to moderately enriched freshwater lakes and rivers across temperate regions. This photosynthetic diatom contributes to benthic algal communities and organic matter production.

Shared Countries

Both species can be found in 4 countries:

🇧🇷 Brazil 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden