Portal:Paleontology/On this day/June 3
- 1954 - Stephen Donovan was born.
- 2015 - Paul Upchurch, Philip D. Mannion, Michael P. Taylor erected the new genus Haestasaurus for the sauropod species “Pelorosaurus” becklesii from the Early Cretaceous Hastings Beds Group, near Hastings, England, United Kingdom.