Heliophyllum is an extinct genus of corals that existed predominantly in the Devonian. Heliophyllum is of the order Rugosa and can be referred to as horn corals.[1] The genus had a wide distribution. Fossils of H. halli have been found in the fossil rich Floresta Formation of the Altiplano Cundiboyacense, Colombia.[2] This genus used its nematocysts to stun prey.
| Heliophyllum Temporal range: Mid Devonian ~ | |
|---|---|
 | |
| H. halli; Centerfield Limestone Member (Middle Devonian), Bethany Center, New York | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Hexacorallia |
| Subclass: | †Rugosa |
| Family: | †Zaphrentidae |
| Genus: | †Heliophyllum Hall 1846 |
| Species | |
| |
References
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