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
Tithonian Stage — ▪ geology uppermost of the three divisions of the Upper Jurassic Series, representing all rocks formed worldwide during the Tithonian Age, which occurred between 150.8 million and 145.5 million years ago during the Jurassic Period. The… … Universalium
Valanginian Stage — ▪ geology second of six main divisions (in ascending order) in the Lower Cretaceous Series, representing rocks deposited worldwide during the Valanginian Age, which occurred 140.2 to 136.4 million years ago during the Cretaceous Period.… … Universalium
Oxfordian (stage) — System Series Stage Age (Ma) Cretaceous Lower Berriasian younger Jurassic Upper Tith … Wikipedia
Purbeck Beds — ▪ geology unit of sedimentary rocks exposed in southern England that spans the boundary between the Jurassic (Jurassic Period) and Cretaceous (Cretaceous Period) periods, approximately 145 million years ago. The highly varied Purbeck Beds,… … Universalium
Heterodontosauridae — Taxobox image width=250px image caption = Cast of the type specimen of Heterodontosaurus tucki name = Heterodontosaurids fossil range = Late Triassic Cretaceous regnum = Animalia phylum = Chordata classis = Sauropsida superordo = Dinosauria ordo … Wikipedia
Owenodon — Filozoa Owenodon Temporal range: Early Cretaceous, 143 Ma … Wikipedia
Tithonian — The Tithonian is the final stage of the Late Jurassic Epoch. It spans the time between 150.8 ± 4 Ma and 145.5 ± 4 Ma (million years ago). It is followed by the Berriasian stage of the Early Cretaceous Epoch.The name is unusual in geological stage … Wikipedia
Valanginian — In the geologic timescale, Valanginian is a stage of the Early Cretaceous epoch. It spanned between 140.2 ± 3.0 Ma and 136.4 ± 2.0 Ma (million years ago). The Valanginian stage succeeds the Berriasian stage of the Early Cretaceous and precedes… … Wikipedia
Embasaurus — Taxobox name = Embasaurus fossil range = Early Cretaceous regnum = Animalia phylum = Chordata classis = Sauropsida superordo = Dinosauria ordo = Saurischia subordo = Theropoda genus = Embasaurus species = E. minax binomial = Embasaurus minax… … Wikipedia