Brook Floater vs Pleated tunicate

Alasmidonta varicosa compared with Styela plicata

Key Differences

• Brook Floater is Vulnerable while Pleated tunicate is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Pleated tunicate
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Ascidiacea (Ascidiacea)
Order	Unionida (Unionida)	Stolidobranchia (Stolidobranchia)
Family	Unionidae	Styelidae
Genus	Alasmidonta	Styela
Species	Alasmidonta varicosa	Styela plicata

Evolutionary Relationship

Brook Floater and Pleated tunicate share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Pleated tunicate

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Pleated tunicate
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Floater

Habitat

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

Range

Found in United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Pleated tunicate

Habitat

Native to Africa and Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Africa (Senegal, South Africa), Asia (7 countries), Europe (11 countries), North America (Mexico, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Brazil, Uruguay, Venezuela).

Brook Floater

The Brook Floater (Alasmidonta varicosa) is a species in the genus Alasmidonta. It is currently classified as Vulnerable on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States