Rugosa
Genus

Bighornia Duncan, 1957

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Aiheeseen liittyvät julkaisut
Kaljo, D. L. 1960. On some problems of the development of Ordovician tetracorals.ENSV TA Geoloogia Instituudi uurimused V , 245-258.
List of species
1. Bighornia orvikui Kaljo, 1960 | Upper Ordovician