limestone fern vs Narrow-headed Slender Opossum

Gymnocarpium robertianum compared with Marmosops cracens

Key Differences

limestone fern is Critically Endangered while Narrow-headed Slender Opossum is Data Deficient.

Taxonomic Classification

Rank	limestone fern	Narrow-headed Slender Opossum
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Didelphimorphia (Didelphimorphia)
Family	Cystopteridaceae	Didelphidae
Genus	Gymnocarpium	Marmosops
Species	Gymnocarpium robertianum	Marmosops cracens

Conservation Status

limestone fern

CR — Critically Endangered

Narrow-headed Slender Opossum

DD — Data Deficient

Physical Characteristics

Attribute	limestone fern	Narrow-headed Slender Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

limestone fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

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