Amphidiscosida

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Kingdom: Animalia
Subregnum: Parazoa
Phylum: Porifera
Classis: Hexactinellida
Subclassis: Amphidiscophora
Ordo:
Familiae (3 + †3): Hyalonematidae – Monorhaphididae – †Pattersoniidae – †Pelicaspongiidae – Pheronematidae – †Stiodermatidae

Amphidiscosida Schrammen, 1924

• Amphidiscaria Schrammen, 1924: 18 [original spelling]
• Amphidiscosa — Reid, 1958 [subsequent emmendation]

• Schrammen, A. 1924. Die Kieselspongien der oberen Kreide von Nordwestdeutschland. III. und letzter Teil (In German). Monographien zur Geologie und Paläontologie. Serie 1, Heft 2: I–XVII + 1–159. Internet Archive Reference page. 

• Reiswig, H.M. 2002. Order Amphidiscosida Schrammen, 1924. Pp. 1231 in Hooper, J.N.A. & van Soest, R.W.M. (eds.). Systema Porifera. Guide to the classification of sponges. 2 volumes. Kluwer Academic/Plenum Publishers: New York, Boston, Dordrecht, London, Moscow. ISBN 978-0-306-47260-2 Reference page.