Annamese Langur vs

Trachypithecus margarita compared with Frustulia rhomboides

Key Differences

• Annamese Langur is Endangered while is Not Evaluated.

Taxonomic Classification

Rank	Annamese Langur
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (Mammals)	Bacillariophyceae (Bacillariophyceae)
Order	Primates (Primates)	Naviculales (Naviculales)
Family	Cercopithecidae (Old World Monkeys)	Amphipleuraceae
Genus	Trachypithecus	Frustulia
Species	Trachypithecus margarita	Frustulia rhomboides

Conservation Status

Annamese Langur

EN — Endangered

NE — Not Evaluated

Physical Characteristics

Attribute	Annamese Langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Annamese Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Portugal, Sweden), North America (United States), and South America (Brazil).

Annamese Langur

The Annamese Langur (Trachypithecus margarita) is a species in the genus Trachypithecus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Frustulia rhomboides is a large, elongated freshwater diatom with a rhomboid outline and a distinctive raphe system embedded in siliceous ribs. It inhabits benthic and epiphytic habitats in acidic, humic freshwater environments including peat bogs and forest streams. This photosynthetic diatom is a bioindicator of acidic, dystrophic freshwater conditions.