Souris Marsupiale D´archer vs

Sminthopsis archeri compared with Chrysosphaerella longispina

Key Differences

Souris Marsupiale D´archer is Data Deficient while is Not Evaluated.

Taxonomic Classification

Rank	Souris Marsupiale D´archer
Kingdom	Animalia (animal)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (mammifères)	Chrysophyceae (Chrysophyceae)
Order	Dasyuromorphia (Dasyuromorphia)	Ochromonadales (Ochromonadales)
Family	Dasyuridae	Paraphysomonadaceae
Genus	Sminthopsis	Chrysosphaerella
Species	Sminthopsis archeri	Chrysosphaerella longispina

Conservation Status

Souris Marsupiale D´archer

DD — Data Deficient

NE — Not Evaluated

Physical Characteristics

Attribute	Souris Marsupiale D´archer
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Souris Marsupiale D´archer

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Souris Marsupiale D´archer

The Chestnut dunnart (Sminthopsis archeri) is a species in the genus Sminthopsis. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Chrysosphaerella longispina is a colonial chrysophyte alga in the genus Chrysosphaerella, notable for the long silica spines (longispina: Latin, long spine) that project from each cell in the colony. The genus is characterized by spherical or discoid colonies of photosynthetic cells that each secrete siliceous scales and elongated spine-like appendages, making Chrysosphaerella colonies distinctively bristled and visible under light microscopy. The long spines of C. longispina likely serve as anti-predation structures that make the colonies more difficult for zooplankton to ingest. C. longispina is found in cold, oligotrophic freshwater lakes, particularly in Scandinavia, where comprehensive chrysophyte surveys have documented its presence. Chrysosphaerella colonies contribute to freshwater primary production and the cycling of biogenic silica, which upon cell dissolution is deposited in lake sediments as microscopically identifiable remains. These silica structures are widely used by paleolimnologists to reconstruct past changes in lake water chemistry, thermal stratification, and climate. The conservation status of C. longispina has not been assessed by the IUCN; the species is listed as Not Evaluated.