While ranked taxonomy has largely fallen out of favour among dinosaur paleontologists, some researchers have continued to employ such a classification, though sources have differed on what its rank should be.

While ranked taxonomy has largely fallen out of favor among dinosaur paleontologists, a few 21st century publications have retained the use of ranks, though sources have differed on what its rank should be.

Therefore, Barsbold's theories initially had more impact among "dinosaur" paleontologists in Mongolia, the USSR, and allied countries.

On that score, he said he thought "Walking With Dinosaurs" was "extremely well done," but added, "If you're a dinosaur paleontologist, then there's a lot to argue about."

Suddenly, fossil embryos are the hottest properties in the laboratories of dinosaur paleontologists.

John R. Horner, a dinosaur paleontologist at the Museum of the Rockies in Bozeman, Mont., praised the discovery because good dinosaur embryos are so rare.

Octávio Mateus (born in 1975) is a Portuguese dinosaur paleontologist and biologist (graduated in Universidade de Évora).

The research "looks interesting and important," said Dr. Mark A. Norell, a dinosaur paleontologist at the American Museum of Natural History in Manhattan.

The huge tyrannosaur thigh was discovered in 2003 by Jack Horner of Montana State University, a longtime dinosaur paleontologist.

It is a historically important genus with a convoluted taxonomy that has been all but abandoned by modern dinosaur paleontologists.