fossils

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Across
  1. 3. Eurypterids-Paleozoic era,middle Devonian period
  2. 4. Mammals-Cenozoic era
  3. 6. brachiopods-Paleozoic era,middle Devonian period
  4. 7. Graptolites-Paleozoic era,early Ordovician period
  5. 11. Dinosaurs-Mesozoic era
  6. 12. Graptolites-Paleozoic era, late Ordovician period
  7. 16. gastropods-Paleozoic era,early Ordovician period
  8. 18. Vascular plants-Paleozoic era,late Devonian period
  9. 19. Nautiloids-Paleozoic era,middle Ordovician period
Down
  1. 1. Nautiloids-Paleozoic era,early silurianperiod
  2. 2. birds-Cenozoic era,Quaternary period
  3. 5. placoderm fish-Paleozoic era,late Devonian period
  4. 8. Trilobites-Paleozoic era,middle Devonian period
  5. 9. Eurypterids-Paleozoic era,late silurian period
  6. 10. corals-Paleozoic era,early Ordovician period
  7. 13. vascular plants-Paleozoic era,late Silurian period
  8. 14. Ammonoids-Paleozoic era,middle Devonian period
  9. 15. brachiopods-Paleozoic era,early silurian period
  10. 17. Corals-Paleozoic era,middle Ordovician period