Brook Floater vs brown flapwort

Alasmidonta varicosa compared with Odontoschisma elongatum

Key Differences

• Brook Floater is Vulnerable while brown flapwort is Least Concern.

Taxonomic Classification

Rank	Brook Floater	brown flapwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Marchantiophyta (liverwort)
Class	Bivalvia (Bivalvia)	Jungermanniopsida (Jungermanniopsida)
Order	Unionida (Unionida)	Jungermanniales (Jungermanniales)
Family	Unionidae	Cephaloziaceae
Genus	Alasmidonta	Odontoschisma
Species	Alasmidonta varicosa	Odontoschisma elongatum

Conservation Status

Brook Floater

VU — Vulnerable

brown flapwort

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	brown flapwort
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.

brown flapwort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.

brown flapwort

The Brown Flapwort (Odontoschisma elongatum) is a species in the genus Odontoschisma. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.