vs

Aulacoseira ambigua compared with Aulacoseira islandica

Taxonomic Classification

Rank
Kingdom same	Chromista (Kromista)	Chromista (Kromista)
Phylum same	Ochrophyta (Ochrophyta)	Ochrophyta (Ochrophyta)
Class same	Bacillariophyceae (Bacillariophyceae)	Bacillariophyceae (Bacillariophyceae)
Order same	Aulacoseirales (Aulacoseirales)	Aulacoseirales (Aulacoseirales)
Family same	Aulacoseiraceae	Aulacoseiraceae
Genus same	Aulacoseira	Aulacoseira
Species	Aulacoseira ambigua	Aulacoseira islandica

Evolutionary Relationship

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

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, Denmark, Norway, Portugal, and Sweden.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

The Aulacoseira ambigua is a species in the genus Aulacoseira. Native to Europe and South America, inhabiting ecosystems characteristic of the region.

Aulacoseira islandica is a robust, filamentous freshwater centric diatom forming long chains of cylindrical cells with prominent linking spines. It inhabits cold, oligotrophic to mesotrophic lakes in boreal, arctic, and montane regions across the Northern Hemisphere. This photosynthetic diatom is common under ice in cold-water lakes during winter and spring.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden