Alder's necklace shell vs Blushing Rosette

Euspira nitida compared with Abortiporus biennis

Key Differences

• Alder's necklace shell is Least Concern while Blushing Rosette is Near Threatened.

Taxonomic Classification

Rank	Alder's necklace shell	Blushing Rosette
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Gastropoda (Gastropoda)	Agaricomycetes (Mushrooms)
Order	Littorinimorpha (Littorinimorpha)	Polyporales (Polyporales)
Family	Naticidae	Podoscyphaceae
Genus	Euspira	Abortiporus
Species	Euspira nitida	Abortiporus biennis

Conservation Status

Alder's necklace shell

LC — Least Concern

Blushing Rosette

NT — Near Threatened

Physical Characteristics

Attribute	Alder's necklace shell	Blushing Rosette
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.

Blushing Rosette

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Brazil). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Blushing Rosette

The Blushing Rosette (Abortiporus biennis) is a species in the genus Abortiporus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden