Brook Floater vs Hooked Veilwort

Alasmidonta varicosa compared with Metzgeria leptoneura

Key Differences

• Brook Floater is Vulnerable while Hooked Veilwort is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Hooked Veilwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Marchantiophyta (liverwort)
Class	Bivalvia (Bivalvia)	Jungermanniopsida (Jungermanniopsida)
Order	Unionida (Unionida)	Metzgeriales (Metzgeriales)
Family	Unionidae	Metzgeriaceae
Genus	Alasmidonta	Metzgeria
Species	Alasmidonta varicosa	Metzgeria leptoneura

Conservation Status

Brook Floater

VU — Vulnerable

Hooked Veilwort

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Hooked Veilwort
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.

Hooked Veilwort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Portugal, Sweden), and South America (Brazil, Colombia).

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.