Andersson's arctic moss vs ribbed grass snail

Arctoa anderssonii compared with Vallonia costata

Key Differences

• Andersson's arctic moss is Endangered while ribbed grass snail is Least Concern.

Taxonomic Classification

Rank	Andersson's arctic moss	ribbed grass snail
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Mollusca (Mollusks)
Class	Bryopsida (Bryopsida)	Gastropoda (Gastropoda)
Order	Dicranales (Dicranales)	Stylommatophora (Stylommatophora)
Family	Rhabdoweisiaceae	Valloniidae
Genus	Arctoa	Vallonia
Species	Arctoa anderssonii	Vallonia costata

Conservation Status

Andersson's arctic moss

EN — Endangered

ribbed grass snail

LC — Least Concern

Physical Characteristics

Attribute	Andersson's arctic moss	ribbed grass 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.

ribbed grass snail

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (Israel), Europe (9 countries), North America (Mexico, United States), Oceania and the Pacific (New Zealand), and South America (Chile).

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