Brook Floater vs Dart Squid

Alasmidonta varicosa compared with Lolliguncula diomedeae

Key Differences

• Brook Floater is Vulnerable while Dart Squid is Data Deficient.

Taxonomic Classification

Rank	Brook Floater	Dart Squid
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class	Bivalvia (Bivalvia)	Cephalopoda (Cephalopods)
Order	Unionida (Unionida)	Myopsida (Myopsida)
Family	Unionidae	Loliginidae
Genus	Alasmidonta	Lolliguncula
Species	Alasmidonta varicosa	Lolliguncula diomedeae

Evolutionary Relationship

Brook Floater and Dart Squid share a common ancestor at the Phylum level: Mollusca. (Mollusks)

Conservation Status

Brook Floater

VU — Vulnerable

Dart Squid

DD — Data Deficient

Physical Characteristics

Attribute	Brook Floater	Dart Squid
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.

Dart Squid

Habitat

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

Range

Found in Chile.

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.