Literature

• Catalogue of Life. Species 2000 & ITIS. [link]
• Soesbergen, M. & Hakkaart, Q. 2021. De waterroofkever Copelatus posticatus op Saba gevonden (Coleoptera: Dytiscidae: Copelatinae). Entomologische Berichten 81(3): 114-116.

Literature references linked to higher taxa

• GBIF. Global Biodiversity Information Facility. www.gbif.org. [link] (Dytiscidae)