Brown Roll Rim vs Miller’s Mastiff Bat

Paxillus involutus compared with Molossus pretiosus

Taxonomic Classification

Rank	Brown Roll Rim	Miller’s Mastiff Bat
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Boletales (Boletales)	Chiroptera (Bats)
Family	Paxillaceae	Molossidae
Genus	Paxillus	Molossus
Species	Paxillus involutus	Molossus pretiosus

Conservation Status

Brown Roll Rim

LC — Least Concern

Miller’s Mastiff Bat

LC — Least Concern

Physical Characteristics

Attribute	Brown Roll Rim	Miller’s Mastiff Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

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).

Miller’s Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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.