vs

Ceratium cornutum compared with Ceratium hirundinella

Taxonomic Classification

Rank
Kingdom same	Chromista (Chromista)	Chromista (Chromista)
Phylum same	Myzozoa (Myzozoa)	Myzozoa (Myzozoa)
Class same	Dinophyceae (Dinophyceae)	Dinophyceae (Dinophyceae)
Order same	Gonyaulacales (Gonyaulacales)	Gonyaulacales (Gonyaulacales)
Family same	Ceratiaceae	Ceratiaceae
Genus same	Ceratium	Ceratium
Species	Ceratium cornutum	Ceratium hirundinella

Evolutionary Relationship

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

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 Denmark, Norway, and Sweden.

Habitat

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

Range

Widely distributed across Europe (Denmark, Norway, Sweden), North America (United States), and South America (Brazil, Chile).

The Ceratium cornutum (Ceratium cornutum) is a species in the genus Ceratium. Distributed across Denmark, Norway, and Sweden.

Ceratium hirundinella is a distinctive freshwater dinoflagellate with an armored cell bearing multiple horns, giving it a swallow-like silhouette. It inhabits lakes, ponds, and slow-moving freshwater bodies in temperate and subtropical regions worldwide. This primarily photosynthetic protist can form dense blooms in nutrient-enriched lakes during warm months.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden