ordovician वाक्य

उदाहरण वाक्य

1. Neoproterozoic and Ordovician sequences are also found at La Hoyada.
2. What you see are the Cambrian, Ordovician and Carboniferous sandstones and limestones.
3. Most of the life killed in the Ordovician extinction were primitive sea creatures.
4. Bryozoans have contributed to carbonate sedimentation in marine life since the Ordovician period.
5. Several groups of endobiotic symbionts appeared in the Ordovician.
6. Trilobites in the Ordovician were very different from their predecessors in the Cambrian.
7. A belt of Devonian-era shale divides the Mississippian and Ordovician formations.
8. This happened at the end of the Ordovician and during the early Silurian.
9. This also marks the end of the Ordovician period.
10. North of the Illinois River the bedrock surface is much older Ordovician sandstone.