Common Earthball vs Desert Rat-kangaroo

Scleroderma citrinum compared with Caloprymnus campestris

Key Differences

• Common Earthball is Least Concern while Desert Rat-kangaroo is Extinct.

Taxonomic Classification

Rank	Common Earthball	Desert Rat-kangaroo
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Boletales (Boletales)	Diprotodontia (Marsupials)
Family	Sclerodermataceae	Potoroidae
Genus	Scleroderma	Caloprymnus
Species	Scleroderma citrinum	Caloprymnus campestris

Conservation Status

Common Earthball

LC — Least Concern

Desert Rat-kangaroo

EX — Extinct

Physical Characteristics

Attribute	Common Earthball	Desert Rat-kangaroo
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Earthball

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Brazil, Chile).

Desert Rat-kangaroo

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Earthball

<em>Scleroderma citrinum</em>, commonly known as the common earthball or pigskin poison puffball, is a widespread ectomycorrhizal fungus in the family Sclerodermataceae, classified as Least Concern by the IUCN. The species occurs across Asia, Europe, North America, and South America, typically found on forest floors, decomposing wood, and mineral-rich acidic soils in association with hardwood and conifer tree roots. Unlike true puffballs, <em>Scleroderma citrinum</em> is considered poisonous and should not be confused with edible species. Its thick, warty outer skin ranges from yellowish-brown to ochre and encloses a dark purplish-black spore mass that matures over time. The species plays an important ecological role as a mycorrhizal partner, forming mutualistic associations with the roots of oaks, beeches, pines, and other trees, facilitating the uptake of water and nutrients by host plants in exchange for photosynthetically derived carbon. Fruiting bodies typically emerge from late summer through autumn, releasing spores through irregular cracks or a central apical opening when mature. <em>Scleroderma citrinum</em> is a host for the parasitic fungus <em>Pseudoboletus parasiticus</em>, making it ecologically significant within forest fungal communities. Biological traits of this species remain poorly documented in the scientific literature.