Gorgonopsid and Scutosaurus are not actual dinosaurs. They lived during the Permian era while dinosaurs only appeared during the Triassic era. They are mammal-like reptiles and are the ancestors of mammals.
Ben Miller (James Lester), Hannah Spearritt (Abby Maitland) & James Murray (Stephen Hart) all appeared on episode 2.6, A Dash of Sunshine (2013) of Death in Paradise (2011) as DI Richard Poole, Lily Shaw & Ronnie Stuart respectively.
Wilhelm scream: When the Gorgonopsid attacks the research party, about 41 minutes in.