Amphidiscosa
| Amphidiscosa Temporal range: Ordovician–Recent | |
|---|---|
| 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".[1] They are in the class Hexactinellida and the subclass Amphidiscophora[2]Template:Cead link The creatures have been existing since the Ordovician period, and still flourishing today."[3]
References
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