They were jawless fish that lived during the Paleozoic era
Stunningly some of our oldest ancestors came from ostracoderms!
No, there are no more prehistoric animals alive on earth. All animals alive today are decendents of prehistoric animals.
Many prehistoric animals and dinosaurs have been discovered in South Carolina. These include prehistoric crocodiles, prehistoric whales, and prehistoric fish.
yes, some bears are prehistoric.
Ostracoderms were ancient fish with an an armor of bony plates. However, your question is very muddled and therefore we can not answer it properly.
They're both extinct bony fishes. The difference is that ostracoderms were jaw-less and placoderms had jaws.
None did. This sort of communication is an evolution of the prehistoric animals that are the ancestors of those who CAN echo.
dinosaurs
Jungle of Prehistoric Animals - 1924 was released on: USA: 28 March 1924
yes
Giant sloths and early humans lived in prehistoric Georgia.
what do you think?????!!!!!!
a paleontologist