Columnaria is an extinct genus of rugose coral that lived from the Late Ordovician to the Late Devonian. Its remains have been found in Australia, Europe, and North America.

Columnaria
Temporal range: Late OrdovicianLate Devonian
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Cnidaria
Class: Hexacorallia
Subclass: Rugosa
Family: Columnariidae
Genus: Columnaria
Goldfuss, 1826

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