Mosasaur Jaw Fragment w Teeth, Cretaceous, N. Sulfur River, Pecan Gap, Texas

Description

Mosasaur
Jaw Fragment w Teeth
Cretaceous
North Sulfur River
Taylor Group
Pecan Gap, East of Ladonia
Texas
Collected Jan 1990
Specimen measures 3-1/4"L x 1" W x 1-3/8" H.
Weight is 89.4 grams
All measurements approximate.
Mosasaurs breathed air, were powerful swimmers, and were well-adapted to living in the warm, shallow
inland seas
prevalent during the Late Cretaceous period. Mosasaurs were so well adapted to this environment that they
gave birth to live young
.
Mosasaurs had double-hinged jaws and flexible skulls (much like those of snakes), which enabled them to gulp down their prey almost whole. Virtually all Mosasaur forms were active predators of fish and ammonites
Photos taken indoors.
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