T-Rex
Yes, of course the mosasaur was smart
pliosaur
Trex
Yes
Capitalize trex when you are using it as a proper noun, such as a specific thing or trademark.
trex
Yes
is trex decking safe for dogs?
No, TRex was Trianosaurus Rex, an extinct (fossil) dinosaur.
Trex was 40ft long, but it is not the biggest meat eating dionsaur
It lived in Europe and north america.
Mosasaur fossils are the remains of large, extinct marine reptiles called mosasaurs that lived during the Late Cretaceous period. These fossils include teeth, bones, and sometimes even preserved soft tissues, providing valuable information about the biology and evolution of these creatures. Some notable mosasaur species include Mosasaurus and Tylosaurus.