Miller’s Mastiff Bat vs Quartz Webcap

Molossus pretiosus compared with Cortinarius quarciticus

Key Differences

• Miller’s Mastiff Bat is Least Concern while Quartz Webcap is Vulnerable.

Taxonomic Classification

Rank	Miller’s Mastiff Bat	Quartz Webcap
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Chiroptera (Bats)	Agaricales (Gilled Mushrooms)
Family	Molossidae	Cortinariaceae
Genus	Molossus	Cortinarius
Species	Molossus pretiosus	Cortinarius quarciticus

Conservation Status

Miller’s Mastiff Bat

LC — Least Concern

Quartz Webcap

VU — Vulnerable

Physical Characteristics

Attribute	Miller’s Mastiff Bat	Quartz Webcap
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Miller’s Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Quartz Webcap

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.