Albadesmus Wilson & Anderson, 2004 † (original description)
Arctozone Frýda & Blodgett, 2004 † (original description)
Chimaerastacus Amati, Feldmann & Zonneveld, 2004 † (original description)
Cowiedesmus Wilson & Anderson, 2004 † (original description)
Farewellia Frýda & Blodgett, 2004 † (original description)
Incrustatospongia Rigby & Boyd, 2004 † (original description)
Leptoderos Hoare & Merrill, 2004 † (original description)
Medfrazyga Frýda & Blodgett, 2004 † (original description)
Muhuathyris Sun, Ma, Balinski & Zhang, 2004 † (original description)
Palaeodesmus Wilson & Anderson, 2004 † (original description)
Pneumodesmus Wilson & Anderson, 2004 † (original description)
Rhinodromia Schweitzer, Nyborg, Feldmann & Ross, 2003 † (original description)
Virgaspongiella Rigby & Boyd, 2004 † (original description)