Siphonodendron
| Siphonodendron | |
|---|---|
| |
| Siphonodendron sp. from Snook Point, Northumberland, UK | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Hexacorallia |
| Subclass: | †Rugosa |
| Family: | †Lithostrotionidae |
| Genus: | †Siphonodendron McCoy 1849 |
| Species | |
|
†S. irregulare | |
Siphonodendron is an extinct genus of colonial rugose corals common during the Carboniferous period. In fossil form it now appears as a white or brown mass of short spaghetti-like threads, usually flattened during distortion of the embedding limestone. It is in the sub-class Hexacorallia of corals with sixfold symmetry.
See also