Atlantic Deep-sea Lobster vs Common Ringlet

Acanthacaris caeca compared with Coenonympha tullia

Key Differences

• Atlantic Deep-sea Lobster is Least Concern while Common Ringlet is Extinct.

Taxonomic Classification

Rank	Atlantic Deep-sea Lobster	Common Ringlet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Malacostraca (Crustaceans)	Insecta (Insects)
Order	Decapoda (Decapoda)	Lepidoptera (Butterflies & Moths)
Family	Nephropidae	Nymphalidae (Brush-footed Butterflies)
Genus	Acanthacaris	Coenonympha
Species	Acanthacaris caeca	Coenonympha tullia

Evolutionary Relationship

Atlantic Deep-sea Lobster and Common Ringlet share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Atlantic Deep-sea Lobster

LC — Least Concern

Common Ringlet

EX — Extinct

Physical Characteristics

Attribute	Atlantic Deep-sea Lobster	Common Ringlet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Deep-sea Lobster

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Common Ringlet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Atlantic Deep-sea Lobster

The Atlantic Deep-sea Lobster (Acanthacaris caeca) is a species in the genus Acanthacaris. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.

Common Ringlet

Common Ringlet (Coenonympha tullia) is classified as Extinct (EX) on the IUCN Red List. This species has been declared extinct, with no known living individuals remaining in the wild or in captivity.