Berriasian — In the geologic timescale, Berriasian is a stage of the Early Cretaceous epoch, and the first of the entire Cretaceous period. It spanned between 145.5 ± 4.0 Ma and 140.2 ± 3.0 Ma (million years ago). The Berriasian stage succeeds the Tithonian… … Wikipedia
Berriasian Stage — ▪ geology first of six main divisions (in ascending order) of the Lower Cretaceous Series, representing rocks deposited worldwide during the Berriasian Age, which occurred between 145.5 million and 140.2 million years ago during the… … Universalium
Cretaceous — Period 145.5–65.5 million years ago … Wikipedia
Nuthetes — Vertebrata Nuthetes Temporal range: Early Cretaceous, 143 Ma … Wikipedia
Maastrichtian — System Series Stage Age (Ma) Paleogene Paleocene Danian younger Cretaceous Upper … Wikipedia
Coniacian — System Series Stage Age (Ma) Paleogene Paleocene Danian younger Cretaceous Upper … Wikipedia
Neocomian — In geology, Neocomian was a name given to the lowest stage of the Cretaceous system. It was introduced by Jules Thurmann in 1835 on account of the development of these rocks at Neuchâtel (Neocomum), Switzerland. It has been employed in more than… … Wikipedia
Geology 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… … Wikipedia
Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… … Wikipedia
Iguanodon — Taxobox name = Iguanodon fossil range = Early Cretaceous image width = 250px image caption = Iguanodon bernissartensis skull regnum = Animalia phylum = Chordata classis = Sauropsida superordo = Dinosauria ordo = Ornithischia subordo = Cerapoda… … Wikipedia