Flat Periwinkle vs Gray-shanked Douc Langur

Littorina obtusata compared with Pygathrix cinerea

Key Differences

• Flat Periwinkle is Least Concern while Gray-shanked Douc Langur is Critically Endangered.

Taxonomic Classification

Rank	Flat Periwinkle	Gray-shanked Douc Langur
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Mollusca (軟体動物)	Chordata (脊索動物)
Class	Gastropoda (腹足綱)	Mammalia (哺乳類)
Order	Littorinimorpha (タマキビガイ下目)	Primates (サル目)
Family	Littorinidae	Cercopithecidae (Old World Monkeys)
Genus	Littorina	Pygathrix
Species	Littorina obtusata	Pygathrix cinerea

Evolutionary Relationship

Flat Periwinkle and Gray-shanked Douc Langur share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Flat Periwinkle

LC — Least Concern

Gray-shanked Douc Langur

CR — Critically Endangered

Physical Characteristics

Attribute	Flat Periwinkle	Gray-shanked Douc Langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Flat Periwinkle

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.