Brook Floater vs lettered cone

Alasmidonta varicosa compared with Conus litteratus

Key Differences

• Brook Floater is Vulnerable while lettered cone is Least Concern.

Taxonomic Classification

Rank	Brook Floater	lettered cone
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class	Bivalvia (Bivalvia)	Gastropoda (Gastropoda)
Order	Unionida (Unionida)	Neogastropoda (Neogastropoda)
Family	Unionidae	Conidae
Genus	Alasmidonta	Conus
Species	Alasmidonta varicosa	Conus litteratus

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

lettered cone

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	lettered cone
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.

lettered cone

Habitat

Inhabits flooded grasslands and savannas within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (4 countries), Asia (Taiwan), and Europe (Norway).

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.