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the calyx (or head) which contains the mouth parts and internal organs
Ankylosaurus had small
who was a staunch "Darwinist" failed to recognize the true import of the fossil and merely remarked on it as a "reptile-like bird"
In contrast
The teeth are sharp as in the Eichstatt specimen
Xiphactinus audax, skull Ankylosaurus the calyx (or head) whichXiphactinus 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
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