Dreieckige Trogmuschel vs Koala

Spisula subtruncata compared with Phascolarctos cinereus

Key Differences

• Dreieckige Trogmuschel is Least Concern while Koala is Vulnerable.

Taxonomic Classification

Rank	Dreieckige Trogmuschel	Koala
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Mollusca (Weichtiere)	Chordata (Chordatiere)
Class	Bivalvia (Muscheln)	Mammalia (Säugetiere)
Order	Venerida (Venerida)	Diprotodontia (Marsupials)
Family	Mactridae	Phascolarctidae (Koalas)
Genus	Spisula	Phascolarctos (Koalas)
Species	Spisula subtruncata	Phascolarctos cinereus

Evolutionary Relationship

Dreieckige Trogmuschel and Koala share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Dreieckige Trogmuschel

LC — Least Concern

Koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Dreieckige Trogmuschel	Koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Dreieckige Trogmuschel

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found in Australia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Koala

Iconic marsupial of eastern and southeastern Australia, koalas weigh up to 15 kg and spend up to 22 hours daily sleeping to conserve energy from their low-calorie eucalyptus leaf diet. Highly specialized to process toxic eucalyptus compounds that would kill most other mammals, they have gut microbiomes uniquely adapted for detoxification. Listed as Endangered in 2022, with populations decimated by chlamydia disease, habitat clearing, and climate change.