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 (動物)	Animalia (動物)
Phylum	Mollusca (軟体動物)	Arthropoda (節足動物)
Class	Bivalvia (二枚貝)	Insecta (昆虫)
Order	Unionida (イシガイ目)	Lepidoptera (チョウ目)
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. (動物)

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

ハヒカゲチョウ類（Coenonympha tullia）はIUCNレッドリストで絶滅（EX）に分類されている。野生および飼育環境に現存個体がいないことが確認され、絶滅が宣言された種である。

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States