Preserved type colonies of Ofwegenum gen. nov. A O. colli sp. nov., holotype NTM C13089 B O. colli sp. nov. several paratype colonies NTM C015578 C O. aff. coronalucis, SMNHTAU_Co_38223 D O. kloogi sp. nov. holotype SMNHTAU_Co_34426, grooves on polypary are indicated by arrows, distal ends of tentacles protrude from polyp mounds E O. kloogi sp. nov., several paratype colonies SMNHTAU_Co_38299 F O. verseveldti comb. nov., holotype SMNHTAU_Co_25554 G O. verseveldti comb. nov., paratypes, SMNHTAU_Co_25544, grooves on polypary are indicated by arrow H O. coronalucis sp. nov., holotype, UF 17263 I O. coronalucis sp. nov., paratype SMNHTAU_Co_39048).