Temporal range: Ordovician[1]
Scientific classification
Kingdom: Animalia
Phylum: Cnidaria
Class: Anthozoaia
Order: Rugosa
Family: Streptelasmatidae
Genus: Grewingkia
Species: G. canadensis
Binomial name
Grewingkia canadensis
(Billings, 1862)[2]

Grewingkia canadensis is a species of prehistoric coral, found in North America.


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