This is the first taxonomic study of cirratulid polychaetes of the genus Kirkegaardia Blake. 2016 from Brazil. Nine new species of the genus are described from the Southern Brazilian coast (50-3000 m deep). The genus Kirkegaardia is generally subdivided into three distinct groups of species (Kirkegaardia dorsobranchialis-heterochaeta. https://allfixelectricales.shop/product-category/water-tank-assembly/