Foca de Casco vs thick emarginula

Cystophora cristata compared with Emarginula crassa

Key Differences

• Foca de Casco is Endangered while thick emarginula is Least Concern.

Taxonomic Classification

Rank	Foca de Casco	thick emarginula
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (cordados)	Mollusca (moluscos)
Class	Mammalia (mamíferos)	Gastropoda (gastrópodos)
Order	Pinnipedia (Seals & Sea Lions)	Lepetellida (Lepetellida)
Family	Phocidae (True Seals)	Fissurellidae
Genus	Cystophora	Emarginula
Species	Cystophora cristata	Emarginula crassa

Evolutionary Relationship

Foca de Casco and thick emarginula share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Foca de Casco

EN — Endangered

thick emarginula

LC — Least Concern

Physical Characteristics

Attribute	Foca de Casco	thick emarginula
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Foca de Casco

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

thick emarginula

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Africa (Mauritania) and Europe (5 countries).

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇵🇹 Portugal