English Allosauroidea Cited by user Moesia on 01 Mar 2024 Allosauroidea is a superfamily or clade of theropod dinosaurs which contains four families — the Metriacanthosauridae, Allosauridae, Carcharodontosauridae, and…
English Concavenator Cited by user 2601:249:A00:7090:6129:5702:7A9D:54F7 on 23 Sep 2021 Concavenator is an extinct genus of theropod dinosaur that lived approximately 130 million years ago during the early Cretaceous period (Barremian age).
English Jurassic Cited by user Hemiauchenia on 05 Jan 2021 The start of the period was marked by the major Triassic–Jurassic extinction event. Two other extinction events occurred during the period: the Pliensbachian-Toarcian…
English Jurassic Cited by user Hemiauchenia on 05 Jan 2021 The Jurassic is a geologic period and stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous…