Arched Earthstar vs Humboldt's Squirrel Monkey

Geastrum fornicatum compared with Saimiri cassiquiarensis

Key Differences

• Arched Earthstar is Critically Endangered while Humboldt's Squirrel Monkey is Near Threatened.

Taxonomic Classification

Rank	Arched Earthstar	Humboldt's Squirrel Monkey
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Geastrales (Geastrales)	Primates (Primates)
Family	Geastraceae	Cebidae
Genus	Geastrum	Saimiri
Species	Geastrum fornicatum	Saimiri cassiquiarensis

Conservation Status

Arched Earthstar

CR — Critically Endangered

Humboldt's Squirrel Monkey

NT — Near Threatened

Physical Characteristics

Attribute	Arched Earthstar	Humboldt's Squirrel Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arched Earthstar

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Humboldt's Squirrel Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Arched Earthstar

The Arched Earthstar (Geastrum fornicatum) is a species in the genus Geastrum. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the.