Wikipedia
Aplysinidae
Aplysinidae (also known as Verongiida de Laubenfels) is a family of demosponges within the phylum Porifera that is located within the order Verongida. Its growths are either shaped like a fan or a club. Contained within the family are three recognized genera and six unrecognized ones. It was first authenticated and described by Carter in 1875.