wenlock stage
31Coniacian — System Series Stage Age (Ma) Paleogene Paleocene Danian younger Cretaceous Upper …
32Pliensbachian — System Series Stage Age (Ma) Cretaceous Lower Berriasian younger Jurassic Upper Tith …
33Cambrian — For other uses, see Cambrian (disambiguation). Cambrian Period 542–488.3 million years ago …
34Trilobite — ] Highly complex compound eyes are another obvious feature of the cephalon (see below). Figure 3 shows gross morphology of the cephalon. The cheeks (genae) are the pleural lobes on each side of the axial feature, the glabella. When trilobites… …
35Dudley — For the larger local government district, see Metropolitan Borough of Dudley. For other uses, see Dudley (disambiguation). Coordinates: 52°30′43″N 2°05′45″W / …
36Condover — Coordinates: 52°38′53″N 2°45′00″W / 52.648°N 2.75°W / 52.648; 2.75 …
37Selandian — System Series Stage Age (Ma) Neogene Miocene Aquitanian younger Paleogene Oligocene …
38Cretaceous — Period 145.5–65.5 million years ago …
39Younger Dryas — Three temperature records, the GRIP sequence (red) showing the Younger Dryas event at around 11.0 ka BP. The vertical axis shows δ18O, which is a temperature proxy showing the water molecule isotopic composition of 18O in an ice core …
40Geology of the Iberian Peninsula — The geology of the Iberian Peninsula consists of the study of the rock formations on the Iberian Peninsula, which includes Spain, Portugal, Andorra, and Gibraltar. The peninsula contains rocks from every age from Ediacaran to Recent, and almost… …
