Brown Roll Rim vs Leatherback Sea Turtle

Paxillus involutus compared with Dermochelys coriacea

Key Differences

Brown Roll Rim is Least Concern while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Brown Roll Rim	Leatherback Sea Turtle
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Reptilia (Reptiles)
Order	Boletales (Boletales)	Testudines (Turtles & Tortoises)
Family	Paxillaceae	Cheloniidae (Sea Turtles)
Genus	Paxillus	Chelonia (Green Sea Turtles)
Species	Paxillus involutus	Dermochelys coriacea

Conservation Status

Brown Roll Rim

LC — Least Concern

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Brown Roll Rim	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Brown Roll Rim

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil, Chile).

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.

Brown Roll Rim

The Brown Roll Rim (Paxillus involutus) is a species in the genus Paxillus. It is currently classified as Least Concern on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.