Boreal Thorius vs Leatherback Sea Turtle

Thorius boreas compared with Dermochelys coriacea

Key Differences

• Boreal Thorius is Endangered while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Boreal Thorius	Leatherback Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Reptilia (Reptiles)
Order	Caudata (Caudata)	Testudines (Turtles & Tortoises)
Family	Plethodontidae	Cheloniidae (Sea Turtles)
Genus	Thorius	Chelonia (Green Sea Turtles)
Species	Thorius boreas	Dermochelys coriacea

Evolutionary Relationship

Boreal Thorius and Leatherback Sea Turtle share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Boreal Thorius

EN — Endangered

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Boreal Thorius	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Boreal Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

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

Leatherback Sea Turtle

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 5 distinct biome types spanning the Australasia and Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Costa Rica, Indonesia, Malaysia, and Trinidad and Tobago. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Boreal Thorius

The Boreal Thorius (Thorius boreas) is a species in the genus Thorius. It is currently classified as Endangered on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

Leatherback Sea Turtle

The leatherback is the largest living turtle and the fourth-heaviest reptile. Unlike other turtles, it has a soft, leathery shell.