Nigma is a genus of araneomorph spiders that occurs in Eurasia and Northern Africa.They include with N. walckenaeri the biggest member of the family Dictynidae (up to 5mm body length).
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0