Arkyidae
Arkyidae·Arkyidae·https://upload.wikimedia.org/wikipedia/commons/thumb/3/30/Spider_iW.jpg/1200px-Spider_iW.jpg
Arkyidae, commonly known as triangular spiders, is a family of araneomorph spiders. First described in 1872 as a subfamily, it was elevated to a full family in 2017. The family currently encompasses two genera and 38 species.
Key Facts
- ›Arkyidae is a family of araneomorph spiders.
- ›They are commonly referred to as triangular spiders.
- ›The family was first described by Ludwig Carl Christian Koch in 1872.
- ›It was elevated from a subfamily to a full family status in 2017.
- ›As of January 2026, the family includes two genera.
- ›There are 38 known species within the Arkyidae family.

Triangular Spiders
About Arkyidae
The Arkyidae family, commonly recognized as triangular spiders, represents a group within the araneomorph order of spiders. This taxonomic classification has evolved over time, with its initial description by Ludwig Carl Christian Koch in 1872 as a subfamily of Araneidae. In 2017, further study and analysis led to its elevation to the status of a full family.
Taxonomy and Classification
As of January 2026, the Arkyidae family comprises two distinct genera, housing a total of 38 known species. The scientific community continues to research and define the relationships within this family, with its classification reflecting current understanding of spider evolution and diversity.
Source: Wikipedia ↗
Frequently Asked Questions
What are Arkyidae spiders commonly called?
Arkyidae spiders are commonly known as triangular spiders. This name likely refers to a characteristic shape observed in some members of the family.
When was the Arkyidae family first described?
The Arkyidae family was first described by Ludwig Carl Christian Koch in 1872. Initially, it was classified as a subfamily within the Araneidae family.
When did Arkyidae become a full spider family?
Arkyidae was elevated from its status as a subfamily to a full family in the year 2017. This reclassification reflects further understanding of its taxonomic relationships.
How many species are in the Arkyidae family?
As of January 2026, there are 38 species recorded within the Arkyidae family. These species are distributed across two distinct genera.
What are the genera within Arkyidae?
The Arkyidae family currently includes two genera. Specific details about these genera, such as their names, are not provided in the available information.