brittlestar vs Early Buttercup

Amphiura filiformis compared with Ranunculus fascicularis

Key Differences

• brittlestar is Least Concern while Early Buttercup is Extinct.

Taxonomic Classification

Rank	brittlestar	Early Buttercup
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Echinodermata (Echinoderms)	Magnoliophyta (Flowering Plants)
Class	Ophiuroidea (Ophiuroidea)	Magnoliopsida (Dicots)
Order	Amphilepidida (Amphilepidida)	Ranunculales (Ranunculales)
Family	Amphiuridae	Ranunculaceae
Genus	Amphiura	Ranunculus
Species	Amphiura filiformis	Ranunculus fascicularis

Conservation Status

brittlestar

LC — Least Concern

Early Buttercup

EX — Extinct

Physical Characteristics

Attribute	brittlestar	Early Buttercup
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.

Early Buttercup

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada and United States.

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.