dynkardarspindel
ENEndangered

dynkardarspindel

Archaeodictyna ammophila

The dynkardarspindel (Archaeodictyna ammophila) is a small, cryptic spider species with a distinctive brownish-gray coloration that provides excellent camouflage against sandy substrates. This specialized arachnid constructs small, irregular webs close to the ground and plays a crucial role as both predator of small arthropods and prey for larger invertebrates in its ecosystem.

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Countries

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Archaeodictyna_ammophila

01Classification

Taxonomy & Classification

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Dictynidae

Genus

Archaeodictyna

dynkardarspindel belongs to the family Dictynidae, order Araneae, within the Arachnida class.

02Description

Species Profile

The dynkardarspindel (Archaeodictyna ammophila) is a small, cryptic spider species with a distinctive brownish-gray coloration that provides excellent camouflage against sandy substrates. This specialized arachnid constructs small, irregular webs close to the ground and plays a crucial role as both predator of small arthropods and prey for larger invertebrates in its ecosystem.

The dynkardarspindel (Archaeodictyna ammophila) faces severe population declines primarily due to habitat loss from coastal development and sand extraction activities that destroy its specialized dune ecosystems. Climate change-induced sea level rise and increased storm intensity further threaten the remaining fragmented coastal sand dune habitats where this endemic spider occurs.

Key Facts

IUCN StatusEndangered (EN)
GroupArachnids
03Habitat

Habitat & Distribution

This species inhabits stabilized sand dunes and sandy coastal areas with sparse vegetation, particularly favoring areas with scattered grasses and low shrubs. It typically occurs in the transition zones between active dune systems and more established coastal vegetation communities.

04Threats

Threats

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IUCN Red List: Endangered

The dynkardarspindel (Archaeodictyna ammophila) faces severe population declines primarily due to habitat loss from coastal development and sand extraction activities that destroy its specialized dune ecosystems. Climate change-induced sea level rise and increased storm intensity further threaten the remaining fragmented coastal sand dune habitats where this endemic spider occurs.

Coastal development and urbanization

HighOngoing

Sand extraction and quarrying

HighOngoing

Sea level rise and coastal erosion

HighOngoing

Habitat fragmentation

MediumOngoing

Recreational activities and trampling

MediumOngoing
Community

Community Sightings

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07Sources

Sources & Attribution

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2025). dynkardarspindel (Archaeodictyna ammophila). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/dynkardarspindel

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