https://bcl.wikipedia.org/wiki/Hettangian?action=edit&redlink=1
Ginigibo an Hettangian - Wikipedia
wikipedia
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0145713
The Oldest Jurassic Dinosaur: A Basal Neotheropod from the Hettangian of Great Britain | PLOS One
Approximately 40% of a skeleton including cranial and postcranial remains representing a new genus and species of basal neotheropod dinosaur is described. It...