Biology:Amphidiscosa

Amphidiscosa Temporal range: Ordovician–Recent PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Porifera
Class:	Hexactinellida
Subclass:	Amphidiscophora
Order:	Amphidiscosa Schrammen, 1924

Amphidiscosa is an order of hexactinellid sponges characterized by amphidisc spicules, that is, spicules having a stellate disk at each end. They are in the class Hexactinellida and the subclass Amphidiscophora The creatures have been existing since the Ordovician period, and still flourishing today."

References

Wikidata ☰ Q4748249 entry