Brook Floater vs

Alasmidonta varicosa compared with Echinoderma calcicola

Key Differences

• Brook Floater is Vulnerable while is Endangered.

Taxonomic Classification

Rank	Brook Floater
Kingdom	Animalia (動物)	Fungi (菌界)
Phylum	Mollusca (軟体動物)	Basidiomycota (担子菌門)
Class	Bivalvia (二枚貝)	Agaricomycetes (真正担子菌綱)
Order	Unionida (イシガイ目)	Agaricales (ハラタケ目)
Family	Unionidae	Agaricaceae (Agarics)
Genus	Alasmidonta	Echinoderma
Species	Alasmidonta varicosa	Echinoderma calcicola

Conservation Status

Brook Floater

VU — Vulnerable

EN — Endangered

Physical Characteristics

Attribute	Brook Floater
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.

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Brazil, Denmark, Norway, and Sweden. Currently classified as Endangered 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.

Echinoderma calcicolaはヨーロッパの石灰質草原や林縁で育つ中型のキノコで、淡色の笠に暗色の尖った鱗片が覆われ、柄も同様に装飾されています。古くから種の豊富な石灰質生息地の指標種とみなされています。絶滅危惧（EN）に分類されており、農業の集約化と石灰岩草原生息地の喪失により深刻な脅威にさらされています。