Shunosaurus had a round spiked tail.
Stegosaurus, also had a tail with four large spikes.
it is described as a dinosaurs tail there you go
This type of dinosaur is called a Stegosaurus
YES
to keep them balanced
Janenschia is a dinosaur. It was a huge dinosaur with a long neck and tail.
Diplodocus.
Ankleosaurus
Dinosaur Train - 2009 A Spiky Tail Tale was released on: USA: 25 March 2010
yes
with a hammer
Mike Hammer - 1956 A Detective Tail - 1.27 was released on: USA: 19 July 1958
probably velocerapter