Bitter Tooth vs Velvet Tooth

Hydnellum scabrosum compared with Hydnellum spongiosipes

Key Differences

• Bitter Tooth is Near Threatened while Velvet Tooth is Endangered.

Taxonomic Classification

Rank	Bitter Tooth	Velvet Tooth
Kingdom same	Fungi (菌界)	Fungi (菌界)
Phylum same	Basidiomycota (担子菌門)	Basidiomycota (担子菌門)
Class same	Agaricomycetes (真正担子菌綱)	Agaricomycetes (真正担子菌綱)
Order same	Thelephorales (イボタケ目)	Thelephorales (イボタケ目)
Family same	Bankeraceae	Bankeraceae
Genus same	Hydnellum	Hydnellum
Species	Hydnellum scabrosum	Hydnellum spongiosipes

Evolutionary Relationship

Bitter Tooth and Velvet Tooth share a common ancestor at the Genus level: Hydnellum.

Conservation Status

Bitter Tooth

NT — Near Threatened

Velvet Tooth

EN — Endangered

Physical Characteristics

Attribute	Bitter Tooth	Velvet Tooth
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Tooth

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Velvet Tooth

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and United States. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bitter Tooth

The Bitter Tooth (Hydnellum scabrosum) is a species in the genus Hydnellum. It is currently classified as Near Threatened on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇳🇴 Norway