Atlantic Gray Seal vs flat-backed millipede

Halichoerus grypus compared with Polydesmus complanatus

Key Differences

• Atlantic Gray Seal is Vulnerable while flat-backed millipede is Least Concern.

Taxonomic Classification

Rank	Atlantic Gray Seal	flat-backed millipede
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Diplopoda (Diplopoda)
Order	Pinnipedia (Seals & Sea Lions)	Polydesmida (Polydesmida)
Family	Phocidae (True Seals)	Polydesmidae
Genus	Halichoerus	Polydesmus
Species	Halichoerus grypus	Polydesmus complanatus

Evolutionary Relationship

Atlantic Gray Seal and flat-backed millipede share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

flat-backed millipede

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Gray Seal	flat-backed millipede
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Gray Seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

flat-backed millipede

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Atlantic Gray Seal

The Atlantic Gray Seal (Halichoerus grypus) is a species in the genus Halichoerus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden