Black Laceweaver vs Chalk Screw-moss

Amaurobius ferox compared with Tortula vahliana

Key Differences

Black Laceweaver is Least Concern while Chalk Screw-moss is Vulnerable.

Taxonomic Classification

Rank	Black Laceweaver	Chalk Screw-moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Bryophyta
Class	Arachnida (Arachnids)	Bryopsida (Bryopsida)
Order	Araneae (Araneae)	Pottiales (Pottiales)
Family	Amaurobiidae	Pottiaceae
Genus	Amaurobius	Tortula
Species	Amaurobius ferox	Tortula vahliana

Conservation Status

Black Laceweaver

LC — Least Concern

Chalk Screw-moss

VU — Vulnerable

Physical Characteristics

Attribute	Black Laceweaver	Chalk Screw-moss
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Laceweaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across Belgium, Canada, Denmark, Sweden, and United States.

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.

Black Laceweaver

The Black Laceweaver (Amaurobius ferox) is a species in the genus Amaurobius. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial habitats from forests to deserts.

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.