Kingdom Animalia Linnaeus, 1758 - animals
Status: extant
   Phylum Porifera Grant, 1836 - sponges
  Status: extant
     Class Demospongiae Sollas, 1885 - demosponges
    Status: extant
       Order Poecilosclerida Topsent, 1928
      Period: Cretaceous - Present [145 Mya - present]; Status: extant
         Suborder Myxillina Hajdu, van Soest & Hooper, 1994
        Status: extant
           Family Crellidae Dendy, 1922
          Status: extant