Wörheide et al.. Phylogenomics Revives Traditional Views on Deep Animal Relationships. „Current Biology”. 19 (8), s. 706-712, 2009. DOI: 10.1016/j.cub.2009.02.052.
itis.gov
Porifera, [w:] Integrated Taxonomic Information System(ang.).
nih.gov
ncbi.nlm.nih.gov
Claus Nielsen. Six major steps in animal evolution: are we derived sponge larvae?. „Evolution & Development”. 10 (2), s. 241 – 257, 2008-03-03. PMID: 18315817.