Anthaspidellidae

Anthaspidellidae is an extinct family of sponges whose dendroclone spicules form ladder-like trabs.^[1]

Hudsonospongia sp., late Ordovician, Beaverfoot Formation, Top Of the World Provincial Park, BC.

Anthaspidellidae
Nevadacoelia wistae, from the early Ordovician of Nevada.
Scientific classification
Kingdom:	Animalia
Phylum:	Porifera
Class:	Demospongiae
Suborder:	†Orchocladina
Family:	†Anthaspidellidae Miller, 1889
Genera
Capsospongia Rankenella[1] Calycocoelia[2] Zittelella[3] Rhopalocoelria Raymond and Okulitch, 1940 ?Eospongia (Billings, 1861; Raymond & Okulitch, 1940)[verification needed] ?Hudsonospongia (Raymond & Okulitch, 1940)[verification needed] ?Steliella (Hinde, 1889; Wilson, 1948)[verification needed] ?Zittelella (Ulrich & Everett, 1890)[verification needed]