Birch Marble vs

Apotomis betuletana compared with Stephanoeca kentii

Key Differences

• Birch Marble is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Birch Marble
Kingdom	Animalia (Animals)	Protozoa (protozoa)
Phylum	Arthropoda (Arthropods)	Choanozoa (Choanozoa)
Class	Insecta (Insects)	Choanoflagellatea (Choanoflagellatea)
Order	Lepidoptera (Butterflies & Moths)	Choanoflagellida (Choanoflagellida)
Family	Tortricidae	Acanthoecidae
Genus	Apotomis	Stephanoeca
Species	Apotomis betuletana	Stephanoeca kentii

Conservation Status

Birch Marble

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	Birch Marble
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Birch Marble

The Birch Marble (Apotomis betuletana) is a species in the genus Apotomis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Stephanoeca kentii is a loricate choanoflagellate, a marine unicellular organism that constructs a delicate basket-like structure (lorica) of siliceous strips surrounding its cell. It inhabits coastal and oceanic waters where it feeds on picoplankton bacteria. Choanoflagellates like this species are of scientific interest as the closest living unicellular relatives of animals.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden