Base-spotted Pigmy vs brittlestar

Stigmella basiguttella compared with Amphiura filiformis

Key Differences

• Base-spotted Pigmy is Near Threatened while brittlestar is Least Concern.

Taxonomic Classification

Rank	Base-spotted Pigmy	brittlestar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Echinodermata (Echinoderms)
Class	Insecta (Insects)	Ophiuroidea (Ophiuroidea)
Order	Lepidoptera (Butterflies & Moths)	Amphilepidida (Amphilepidida)
Family	Nepticulidae	Amphiuridae
Genus	Stigmella	Amphiura
Species	Stigmella basiguttella	Amphiura filiformis

Evolutionary Relationship

Base-spotted Pigmy and brittlestar share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Base-spotted Pigmy

NT — Near Threatened

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Base-spotted Pigmy	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Base-spotted Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Base-spotted Pigmy

The Base-spotted Pigmy (Stigmella basiguttella) is a species in the genus Stigmella. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

brittlestar

The Brittlestar (Amphiura filiformis) is a species in the genus Amphiura. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden