Читать книгу The Handy Dinosaur Answer Book - Patricia Barnes-Svarney - Страница 79

The number of species named depends on the text—from 250 to more than 1,000 have been mentioned. Suffice it to say that hundreds of dinosaurs have been named since the first skeletons were dug up in the nineteenth century. Between the lack of consensus in terms of species and new fossils found every year, unraveling dinosaur patterns of evolution has been a major obstacle in dinosaur research.