Brook Floater vs Common Ringlet

Alasmidonta varicosa compared with Coenonympha tullia

Key Differences

• Brook Floater is Vulnerable while Common Ringlet is Extinct.

Taxonomic Classification

Rank	Brook Floater	Common Ringlet
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Mollusca (软体动物门)	Arthropoda (节肢动物门)
Class	Bivalvia (双壳纲)	Insecta (昆蟲綱)
Order	Unionida (蚌目)	Lepidoptera (鱗翅目)
Family	Unionidae	Nymphalidae (Brush-footed Butterflies)
Genus	Alasmidonta	Coenonympha
Species	Alasmidonta varicosa	Coenonympha tullia

Evolutionary Relationship

Brook Floater and Common Ringlet share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Brook Floater

VU — Vulnerable

Common Ringlet

EX — Extinct

Physical Characteristics

Attribute	Brook Floater	Common Ringlet
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.

Common Ringlet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (27 countries) and North America (Canada, United States).

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.

Common Ringlet

草地眼蝶（Coenonympha tullia）在IUCN红色名录中被列为灭绝（EX）。该物种已被宣告灭绝，野外和人工饲养环境中均无已知存活个体。

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States