brittlestar vs Broad Scalewort

Amphiura filiformis compared with Porella obtusata

Key Differences

brittlestar is Least Concern while Broad Scalewort is Endangered.

Taxonomic Classification

Rank	brittlestar	Broad Scalewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Echinodermata (Echinoderms)	Marchantiophyta (liverwort)
Class	Ophiuroidea (Ophiuroidea)	Jungermanniopsida (Jungermanniopsida)
Order	Amphilepidida (Amphilepidida)	Porellales (Porellales)
Family	Amphiuridae	Porellaceae
Genus	Amphiura	Porella
Species	Amphiura filiformis	Porella obtusata

Conservation Status

brittlestar

LC — Least Concern

Broad Scalewort

EN — Endangered

Physical Characteristics

Attribute	brittlestar	Broad Scalewort
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.

Broad Scalewort

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

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

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.

Broad Scalewort

The Broad Scalewort (Porella obtusata) is a species in the genus Porella. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.