vs Green Sea Turtle

Geastrum melanocephalum compared with Chelonia mydas

Taxonomic Classification

Rank		Green Sea Turtle
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Reptilia (Reptiles)
Order	Geastrales (Geastrales)	Testudines (Turtles & Tortoises)
Family	Geastraceae	Cheloniidae (Sea Turtles)
Genus	Geastrum	Chelonia (Green Sea Turtles)
Species	Geastrum melanocephalum	Chelonia mydas

Conservation Status

EN — Endangered

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute		Green Sea Turtle
Diet	—	Herbivore
Average Lifespan	—	80 years
Average Length	—	1.2 m
Average Weight	—	200.0 kg

Habitat & Geographic Range

Habitat

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

Range

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

Green Sea Turtle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Brazil, Costa Rica, Indonesia, and Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Geastrum melanocephalum is an earthstar fungus in the family Geastraceae, assessed as Endangered (EN). It produces distinctive star-shaped fruiting bodies with a dark-capped spore sac and is found in stable, undisturbed grassland and woodland edge habitats. Its endangered status reflects sensitivity to habitat disturbance and the decline of traditional land management practices.