Balashovia Temporal range: Eifelian | |
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Genus: | Balashovia |
Balashovia is a genus of oncocerid nautiloids from the Middle Devonian, (lower Eifelian), included in the Archiacoceratidae, a family characterized by compressed, exogastric, cyrtocones with a large, actinosiphonate, dorsal siphuncle.