Andersson's arctic moss vs thick-lipped risso snail

Arctoa anderssonii compared with Rissoa membranacea

Key Differences

• Andersson's arctic moss is Endangered while thick-lipped risso snail is Least Concern.

Taxonomic Classification

Rank	Andersson's arctic moss	thick-lipped risso snail
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Mollusca (Mollusks)
Class	Bryopsida (Bryopsida)	Gastropoda (Gastropoda)
Order	Dicranales (Dicranales)	Littorinimorpha (Littorinimorpha)
Family	Rhabdoweisiaceae	Rissoidae
Genus	Arctoa	Rissoa
Species	Arctoa anderssonii	Rissoa membranacea

Conservation Status

Andersson's arctic moss

EN — Endangered

thick-lipped risso snail

LC — Least Concern

Physical Characteristics

Attribute	Andersson's arctic moss	thick-lipped risso snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Andersson's arctic moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

thick-lipped risso snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden.

Andersson's arctic moss

The Andersson's arctic moss (Arctoa anderssonii) is a species in the genus Arctoa. It is currently classified as Endangered on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden