Brook Floater vs Dark Pincertail

Alasmidonta varicosa compared with Onychogomphus assimilis

Taxonomic Classification

Rank	Brook Floater	Dark Pincertail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Odonata (Odonata)
Family	Unionidae	Gomphidae
Genus	Alasmidonta	Onychogomphus
Species	Alasmidonta varicosa	Onychogomphus assimilis

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Dark Pincertail

VU — Vulnerable

Physical Characteristics

Attribute	Brook Floater	Dark Pincertail
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.

Dark Pincertail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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.