After stuffing my face into tons of scientific articles on Late Cretaceous Lamniformes, I decided that I'd want to draw some sharks. Here's a drawing of the two infamous sharks of the Niobrara Formation Cretoxyrhina mantelli and Squalicorax falcatus as partners-in-crime.
I've made the Cretoxyrhina ≈6-7 meters and the Squalicorax ≈2 meters. As 2 meters would be the same size as a very tall 6'6" human, you could imagine the Squalicorax as the tallest ordinary human and see how much bigger Cretoxyrhina is.
I've always felt like Squalicorax would commonly accompany predators like Cretox