Phylum: Cnidaria

Class: Anthozoa

Subclass: Zoantharia

Order: Rugosa

Family: Zaphrentidae

Genus: Heliophyllum

Heliophyllum lived in shallow water and lived worldwide, except in Asia. It lived primarily during the Devonian range.

Walker, Cyril, Ward, David. Fossils, New York: Dorling Kindersley, Inc, 1992. Print.


Photograph of the fossil coral Heliophyllum taken by Dlloyd. Heliophyllum halli from the Devonian. Locality – Arkona, Ontario, Canada. Complete matrix free specimen which measures 4.3 cm (1.7″) across.