TY - BOOK AU - TI - Prehistoric animals / Michael Smith SN - 072140359 U1 - 566 PY - 1991/// CY - Inglaterra: PB - ladybird books ltd., KW - ANIMALES PREHISTÓRICOS KW - FÓSILES VERTEBRADOS N1 - 1. What's a fossil?.-- 2. How a fossil is formed.-- 2. Other kinds of fossils.-- 3. What to look for.-- 4. Where to look.-- 5. The geological map of Britain.-- 6. The Cambrian period.-- 7. Other marine life.-- 8. Sea-urchins.-- 9. Fossil shellfish.-- 10. Ammonites and bellemnites.-- 11. Plants begin to cover the earth.-- 12. The earlist fish.-- 13. Animals begin to move onto the land.-- 14. Reptils dominate life on land.-- 15. The dinosaurs.-- 16. The great sea reptiles.-- 17. The flying reptiles.-- 18. Mammoths of the uce age.-- 19. Your own museum.-- 20. A fossil club.-- 21. The geological time-scale ER -