Chalk Screw-moss vs Five-toed Pygmy Jerboa

Tortula vahliana compared with Cardiocranius paradoxus

Key Differences

• Chalk Screw-moss is Vulnerable while Five-toed Pygmy Jerboa is Data Deficient.

Taxonomic Classification

Rank	Chalk Screw-moss	Five-toed Pygmy Jerboa
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Chordata (Chordates)
Class	Bryopsida (Bryopsida)	Mammalia (Mammals)
Order	Pottiales (Pottiales)	Rodentia (Rodents)
Family	Pottiaceae	Dipodidae
Genus	Tortula	Cardiocranius
Species	Tortula vahliana	Cardiocranius paradoxus

Conservation Status

Chalk Screw-moss

VU — Vulnerable

Five-toed Pygmy Jerboa

DD — Data Deficient

Physical Characteristics

Attribute	Chalk Screw-moss	Five-toed Pygmy Jerboa
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chalk Screw-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

Five-toed Pygmy Jerboa

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Chalk Screw-moss

The Chalk Screw-moss (Tortula vahliana) is a species in the genus Tortula. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.