Xiphactinus audax, skull Ankylosaurus The teeth are sharp as

The teeth are sharp as in the Eichstatt specimen

The head was small with a beak at the tip of the jaws

Atlasaurus imelakai was a quadrupedal herbivorous sauropod

They are considered trace fossils because they contain no fossil material

Xiphactinus audax, skull Ankylosaurus The teeth are sharp asXiphactinus audax (from Latin and Greek for "audacious sword ray") was a large, 15 to 20 foot long predatory bony fish that lived in the Niobraran Sea, in what is now North America, during the Late Cretaceous. When alive, the beast would have resembled a gargantuan, fanged tarpon. Skeletal remains of Xiphactinus have come from Kansas, Alabama, and Georgia. Despite being preyed on by sharks and mosasaurs, X. audax was, nonetheless, a voracious predator