Chihuahua Gray vs limestone fern

Aphonopelma pallidum compared with Gymnocarpium robertianum

Key Differences

• Chihuahua Gray is Least Concern while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Chihuahua Gray	limestone fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Tracheophyta
Class	Arachnida (Arachnids)	Polypodiopsida (Polypodiopsida)
Order	Araneae (Araneae)	Polypodiales (Polypodiales)
Family	Theraphosidae	Cystopteridaceae
Genus	Aphonopelma	Gymnocarpium
Species	Aphonopelma pallidum	Gymnocarpium robertianum

Conservation Status

Chihuahua Gray

LC — Least Concern

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Chihuahua Gray	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chihuahua Gray

Habitat

Typically found in terrestrial habitats from forests to deserts.

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.

Chihuahua Gray

The Chihuahua Gray (Aphonopelma pallidum) is a species in the genus Aphonopelma. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial habitats from forests to deserts.