Protomonaxonida

Protomonaxonida is an extinct order of sea sponges. It is a paraphyletic group gathering the most ancient species from the Burgess Shale to modern sponges.

Protomonaxonida
Temporal range:
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Porifera
Class: Demospongiae
Order: †Protomonaxonida
Finks et al. 2004
Families
  • †Choiidae
  • †Halichondritidae
  • †Hamptoniidae
  • †Hazeliidae
  • †Leptomitidae
  • †Lobatospongia
  • †Piraniidae
  • †Takakkawiidae
  • †Ulospongiellidae
  • †Wapkiidae
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