Brook Floater vs Scarlet Elfcup

Alasmidonta varicosa compared with Sarcoscypha austriaca

Taxonomic Classification

Rank	Brook Floater	Scarlet Elfcup
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Ascomycota (Sac Fungi)
Class	Bivalvia (Bivalvia)	Pezizomycetes (Pezizomycetes)
Order	Unionida (Unionida)	Pezizales (Pezizales)
Family	Unionidae	Sarcoscyphaceae
Genus	Alasmidonta	Sarcoscypha
Species	Alasmidonta varicosa	Sarcoscypha austriaca

Conservation Status

Brook Floater

VU — Vulnerable

Scarlet Elfcup

VU — Vulnerable

Physical Characteristics

Attribute	Brook Floater	Scarlet Elfcup
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.

Scarlet Elfcup

Habitat

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

Range

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

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.