Alder's necklace shell vs Andersson's arctic moss

Euspira nitida compared with Arctoa anderssonii

Key Differences

Alder's necklace shell is Least Concern while Andersson's arctic moss is Endangered.

Taxonomic Classification

Rank	Alder's necklace shell	Andersson's arctic moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Bryophyta
Class	Gastropoda (Gastropoda)	Bryopsida (Bryopsida)
Order	Littorinimorpha (Littorinimorpha)	Dicranales (Dicranales)
Family	Naticidae	Rhabdoweisiaceae
Genus	Euspira	Arctoa
Species	Euspira nitida	Arctoa anderssonii

Conservation Status

Alder's necklace shell

LC — Least Concern

Andersson's arctic moss

EN — Endangered

Physical Characteristics

Attribute	Alder's necklace shell	Andersson's arctic moss
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder's necklace shell

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Alder's necklace shell

The Alder's necklace shell (Euspira nitida) is a species in the genus Euspira. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.