Foca de Casco vs Oakleaf Cup

Cystophora cristata compared with Rutstroemia sydowiana

Key Differences

• Foca de Casco is Endangered while Oakleaf Cup is Not Evaluated.

Taxonomic Classification

Rank	Foca de Casco	Oakleaf Cup
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (cordados)	Ascomycota (Sac Fungi)
Class	Mammalia (mamíferos)	Leotiomycetes (Leotiomycetes)
Order	Pinnipedia (Seals & Sea Lions)	Helotiales (Helotiales)
Family	Phocidae (True Seals)	Rutstroemiaceae
Genus	Cystophora	Rutstroemia
Species	Cystophora cristata	Rutstroemia sydowiana

Conservation Status

Foca de Casco

EN — Endangered

Oakleaf Cup

NE — Not Evaluated

Physical Characteristics

Attribute	Foca de Casco	Oakleaf Cup
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.

Oakleaf Cup

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇳🇴 Norway