brittlestar vs Smith's Thorius

Amphiura filiformis compared with Thorius smithi

Key Differences

• brittlestar is Least Concern while Smith's Thorius is Critically Endangered.

Taxonomic Classification

Rank	brittlestar	Smith's Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Chordata (Chordates)
Class	Ophiuroidea (Ophiuroidea)	Amphibia (Amphibians)
Order	Amphilepidida (Amphilepidida)	Caudata (Caudata)
Family	Amphiuridae	Plethodontidae
Genus	Amphiura	Thorius
Species	Amphiura filiformis	Thorius smithi

Evolutionary Relationship

brittlestar and Smith's Thorius share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brittlestar

LC — Least Concern

Smith's Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	brittlestar	Smith's Thorius
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.

Smith's Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. Currently classified as Critically 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.