Beech Tarcrust vs Common Metad

Biscogniauxia nummularia compared with Millardia meltada

Key Differences

• Beech Tarcrust is Data Deficient while Common Metad is Least Concern.

Taxonomic Classification

Rank	Beech Tarcrust	Common Metad
Kingdom	Fungi (菌界)	Animalia (動物)
Phylum	Ascomycota (子嚢菌門)	Chordata (脊索動物)
Class	Sordariomycetes (フンタマカビ綱)	Mammalia (哺乳類)
Order	Xylariales (マメザヤタケ目)	Rodentia (ネズミ目)
Family	Graphostromataceae	Muridae (Mice & Rats)
Genus	Biscogniauxia	Millardia
Species	Biscogniauxia nummularia	Millardia meltada

Conservation Status

Beech Tarcrust

DD — Data Deficient

Common Metad

LC — Least Concern

Physical Characteristics

Attribute	Beech Tarcrust	Common Metad
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Beech Tarcrust

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (7 countries), and South America (Brazil).

Common Metad

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Beech Tarcrust

The Beech Tarcrust (Biscogniauxia nummularia) is a species in the genus Biscogniauxia. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Common Metad

The Common Metad (<em>Millardia meltada</em>) is a rodent belonging to the genus <em>Millardia</em> within the family Muridae. As a member of the Old World rats and mice, this species is typically found in diverse terrestrial and aquatic ecosystems across its range. The Common Metad is classified as Least Concern on the IUCN Red List, indicating that its populations are currently stable and not facing immediate extinction risk. Detailed biological traits such as body length, weight, and lifespan have not been widely documented for this species in available records. Its taxonomy places it within the order Rodentia, which encompasses a broad array of gnawing mammals adapted to a wide variety of ecological niches. While specific dietary habits are not well characterized in the available data, members of the genus <em>Millardia</em> are generally understood to be omnivorous, feeding on plant material and invertebrates typical of their habitat. Ongoing monitoring is important for ensuring this species maintains its current conservation standing.