• Family †
Choiidae Laubenfels, 1925 • Genus †
Allantospongia Rigby & Hou, 1995 • Genus †
Choia Walcott, 1920 • Genus †
Choiaella Rigby & Hou, 1995 • Genus †
Halichondrites Walcott, 1920 • Family †
Hamptoniidae De Laubenfels, 1955 • Genus †
Hamptonia Walcott, 1920 • Family †
Hazeliidae De Laubenfels, 1955 • Genus †
Crumillospongia Rigby, 1986 • Genus †
Wareiella Rigby & Harris, 1979 • Genus †
Lobatospongia Rigby et al., 2007 • Family †
Piraniidae De Laubenfels, 1955 • Genus †
Moleculospina Rigby, 1986 • Genus †
Pirania Walcott, 1920 • Family †
Takakkawiidae De Laubenfels, 1955 • Genus †
Takakkawia Walcott, 1920 • Family †
Ulospongiellidae Rigby & Collins, 2004 • Genus †
Hapalospongia Rigby & Collins, 2004 • Genus †
Ulospongiella Rigby & Collins, 2004 • Family †
Wapkiidae De Laubenfels, 1955 • Genus †
Wapkia Walcott, 1920 The following families from the order
Hadromerida are also sometimes placed in Protomonaxonida: • Family
Sollasellidae von Lendenfeld, 1887 • Genus †
Luterospongia Rigby et al., 2008 • Genus †
Mckittrickella Rigby et al., 2007 • Genus †
Monaxoradiata Rigby & Bell, 2006 • Genus †
Opetionella Zittel, 1878 • Genus †
Rhizopsis Schrammen, 1910 • Genus †
Stramentella Gerasimov, 1960 • Genus †
Trichospongiella Rigby, 1971 • Family
Tethyidae Gray, 1867 • Genus
Tethya Lamarck, 1814 == References ==