It was grown in a 'breeding tank' and was placed in the lagoon of the facility as it had outgrown the tank. She wrote that 'I'd be pissed off about being kept out of the loop, but I'm too excited to care.' She writes that the Mosasaur was the first specimen created and was amazed that it was viable. A year later Sorkin saw that the funding was used to build the Marine Facility, a glass viewing dome in an underwater cave. Laura Sorkin wrote in her Journal that Hammond cut half of her research funding for 'urgent needs'. Its food was turtles, plesiosaurs, other mosasaurs, larger fish and shellfish. It is a mosasaur, or Meuse River lizard, a true marine lizard.
It has a ram-shaped snout and big conical teeth for catching prey. Tylosaurus has a large, strong chest and arms, big flippers, a long body, and a strong tail for swimming.