Gray-shanked Douc Langur vs

Pygathrix cinerea compared with Nitzschia flexa

Key Differences

• Gray-shanked Douc Langur is Critically Endangered while is Not Evaluated.

Taxonomic Classification

Rank	Gray-shanked Douc Langur
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (Mammals)	Bacillariophyceae (Bacillariophyceae)
Order	Primates (Primates)	Bacillariales (Bacillariales)
Family	Cercopithecidae (Old World Monkeys)	Bacillariaceae
Genus	Pygathrix	Nitzschia
Species	Pygathrix cinerea	Nitzschia flexa

Conservation Status

Gray-shanked Douc Langur

CR — Critically Endangered

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Nitzschia flexa is a pennate diatom (class Bacillariophyceae) with a characteristically curved or bent raphe system that gives the genus its distinctive appearance. It inhabits freshwater to brackish environments and contributes to benthic and planktonic algal communities. As a photosynthetic microalga, it plays a foundational role in aquatic food webs and primary production.