brittlestar vs

Amphiura filiformis compared with Sphingopyxis granuli

Key Differences

• brittlestar is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	brittlestar
Kingdom	Animalia (Animals)	Bacteria (Bacteria)
Phylum	Echinodermata (Echinoderms)	Proteobacteria (Proteobacteria)
Class	Ophiuroidea (Ophiuroidea)	Alphaproteobacteria (Alphaproteobacteria)
Order	Amphilepidida (Amphilepidida)	Sphingomonadales (Sphingomonadales)
Family	Amphiuridae	Sphingomonadaceae
Genus	Amphiura	Sphingopyxis
Species	Amphiura filiformis	Sphingopyxis granuli

Conservation Status

brittlestar

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

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.

Sphingopyxis granuli is a Gram-negative alphaproteobacterium in the family Sphingomonadaceae, characterized by its yellow-pigmented colonies and the presence of sphingolipids in its membrane—a trait shared across the family. It was isolated from granule-associated material and is aerobic, rod-shaped, and motile. Sphingopyxis species are common in soils, freshwater, and plant-associated environments.