Titanoides is an extinct genus of pantodont

Pantodonta

The Pantodonta are an order of now extinct placental mammals.Pantodonts are well known from the Paleocene of North America and Asia, and one early genus Alcidedorbignya, that was found in the Paleocene of South America...

 mammal. It was about 5 feet (1.5 m) long and weighed between 200 and 300 pounds.

Titanoides was one of the early Tertiary

Tertiary

The Tertiary is a deprecated term for a geologic period 65 million to 2.6 million years ago. The Tertiary covered the time span between the superseded Secondary period and the Quaternary...

 browsing mammals called pantodonts. Their limbs were short and stout, and they were bear-like in appearance. Some were the size of a rhinoceros. Even though they had huge canine teeth they were herbivores. Their feet possessed five clawed digits. Titanoides was the largest mammal that inhabited North Dakota

North Dakota

North Dakota is a state located in the Midwestern region of the United States of America, along the Canadian border. The state is bordered by Canada to the north, Minnesota to the east, South Dakota to the south and Montana to the west. North Dakota is the 19th-largest state by area in the U.S....

60 million years ago when western North Dakota was a subtropical swampland. The main predators at the time were crocodiles, and it is possible that Titanoides sometimes fell prey to those reptiles.