Helicoprion
270 million years back...
978-613-0-15195-9
6130151950
104
2013-04-24
39,00 €
eng
https://images.our-assets.com/cover/230x230/9786130151959.jpg
https://images.our-assets.com/fullcover/230x230/9786130151959.jpg
https://images.our-assets.com/cover/2000x/9786130151959.jpg
https://images.our-assets.com/fullcover/2000x/9786130151959.jpg
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. With the help of the Computerised Tomography scans, some experts from the United States have been able to make a 3-D virtual reconstructions of an ancient shark-like fish's odd spiral toothed jaw. The researchers have advanced that the fossils of the 270 million-year-old fish is basically known as the Helicoprion. The Helicoprion is a major challenge for all the scientists of the world since its only remains involve its teeth. Scientists have mentioned that the rest of the fish's skeletal system was made of cartilage, hence hardly preserves the remnents well. Scientific analysts have revealed that till this very day, they had had much hard time to be able to give explanations about how the teeth which looked like a circular blade, could fit the Helicoprion...
https://morebooks.shop/books/hu/published_by/fastbook-publishing/50/products
Zoológia
https://morebooks.shop/store/hu/book/helicoprion/isbn/978-613-0-15195-9