| Bajocium | Bajocian |
| Calcium | calcium |
| Aeronium | Aeronian |
| Bartonium | Bartonian |
| Bathonium | Bathonian |
| Barium | barium |
| Bajonett | bayonet |
| Majolika | maiolica majolica |
| Marcius | Marcius |
| Silicium | silicon |
| Toarcium | Toarcian |
| Francium | francium |
| Aptium | Aptian |
| Bakterium | bacterium |
| Callovium | Callovian |
| Danium | Danian |
| Floium | Floian |
| Kadmium | cadmium |
| Kalzium | calcium |
| Kambrium | Cambrian |