Fake round ray vs Goeldi's marmoset

Urotrygon simulatrix compared with Callimico goeldii

Taxonomic Classification

Rank	Fake round ray	Goeldi's marmoset
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Primates (Primates)
Family	Urotrygonidae	Callitrichidae
Genus	Urotrygon	Callimico
Species	Urotrygon simulatrix	Callimico goeldii

Evolutionary Relationship

Fake round ray and Goeldi's marmoset share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Fake round ray

VU — Vulnerable

Goeldi's marmoset

VU — Vulnerable

Physical Characteristics

Attribute	Fake round ray	Goeldi's marmoset
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fake round ray

Goeldi's marmoset

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.