Koyama Koumori vs tiny risso snail

Nyctalus furvus compared with Rissoa parva

Key Differences

• Koyama Koumori is Endangered while tiny risso snail is Least Concern.

Taxonomic Classification

Rank	Koyama Koumori	tiny risso snail
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Mollusca (軟体動物)
Class	Mammalia (哺乳類)	Gastropoda (腹足綱)
Order	Chiroptera (翼手目)	Littorinimorpha (タマキビガイ下目)
Family	Vespertilionidae	Rissoidae
Genus	Nyctalus	Rissoa
Species	Nyctalus furvus	Rissoa parva

Evolutionary Relationship

Koyama Koumori and tiny risso snail share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Koyama Koumori

EN — Endangered

tiny risso snail

LC — Least Concern

Physical Characteristics

Attribute	Koyama Koumori	tiny risso snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Koyama Koumori

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

tiny risso snail

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.