Brittle Bladderfern vs brittlestar

Cystopteris tenuis compared with Amphiura filiformis

Key Differences

• Brittle Bladderfern is Not Evaluated while brittlestar is Least Concern.

Taxonomic Classification

Rank	Brittle Bladderfern	brittlestar
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Tracheophyta	Echinodermata (棘皮動物)
Class	Polypodiopsida (ウラボシ綱)	Ophiuroidea (クモヒトデ)
Order	Polypodiales (ウラボシ目)	Amphilepidida (Amphilepidida)
Family	Cystopteridaceae	Amphiuridae
Genus	Cystopteris	Amphiura
Species	Cystopteris tenuis	Amphiura filiformis

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

brittlestar

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Brittle Bladderfern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Canada and United States.

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Brittle Bladderfern

The Brittle Bladderfern (Cystopteris tenuis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.

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.