Arctic barrel-bubble vs Caucasian Alder

Retusa obtusa compared with Alnus subcordata

Taxonomic Classification

Rank Arctic barrel-bubble Caucasian Alder
Kingdom Animalia (Animals) Plantae (Plants)
Phylum Mollusca (Mollusks) Magnoliophyta (Flowering Plants)
Class Gastropoda (Gastropoda) Magnoliopsida (Dicots)
Order Cephalaspidea (Cephalaspidea) Fagales (Beeches & Oaks)
Family Retusidae Betulaceae
Genus Retusa Alnus
Species Retusa obtusa Alnus subcordata

Conservation Status

Arctic barrel-bubble

LC — Least Concern

Caucasian Alder

LC — Least Concern

Physical Characteristics

Attribute Arctic barrel-bubble Caucasian Alder
Diet — —
Average Lifespan — —
Average Length — —
Average Weight — —

Habitat & Geographic Range

Arctic barrel-bubble

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Caucasian Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Arctic barrel-bubble

The Arctic barrel-bubble (Retusa obtusa) is a species in the genus Retusa. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Caucasian Alder

The Caucasian Alder (Alnus subcordata) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Nature FYI Family

Explore more of the natural world across our sister sites.

Part of the Nature FYI family — FYIPedia