Edited by Fero Bednar and Tomáš Čejka, some rights reserved (CC BY-NC)
Photo Credits
- 1. (c) Alexander Mrkvicka, some rights reserved (CC BY-SA)
- 2. (c) Julien Renoult, some rights reserved (CC BY), uploaded by Julien Renoult
- 3. (c) Stan van Remmerden, some rights reserved (CC BY-NC), uploaded by Stan van Remmerden
- 4. (c) Thorsten Usée, some rights reserved (CC BY-NC), uploaded by Thorsten Usée
- 5. (c) Degtyarev Nikolai Ivanovich, some rights reserved (CC BY-NC), uploaded by Degtyarev Nikolai Ivanovich
- 6. (c) Aplexa_hypnorum.jpg, some rights reserved (GFDL)
- 7. (c) Felix Riegel, some rights reserved (CC BY-NC), uploaded by Felix Riegel
- 8. (c) Valter Jacinto, some rights reserved (CC BY-NC-SA)
- 9. (c) Susan J. Hewitt, some rights reserved (CC BY-NC), uploaded by Susan J. Hewitt
- 10. (c) Dmitry Kuzmenckin, some rights reserved (CC BY-NC), uploaded by Dmitry Kuzmenckin
- 11. (c) Sonja Bamberger, some rights reserved (CC BY-NC), uploaded by Sonja Bamberger
- 12. (c) Udo Schmidt, some rights reserved (CC BY-SA)
- 13. (c) C. Mallory, some rights reserved (CC BY-NC), uploaded by C. Mallory
- 14. (c) Femorale, some rights reserved (CC BY-NC)
- 15. (c) John, some rights reserved (CC BY-NC), uploaded by John
- 16. (c) Hans Zwitzer, some rights reserved (CC BY-NC-SA)
- 17. (c) Daniele Seglie, some rights reserved (CC BY-NC), uploaded by Daniele Seglie
- 18. (c) Michal Maňas, some rights reserved (CC BY)
- 19. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 20. (c) Snailmail, some rights reserved (CC BY-SA)
- 21. no rights reserved, uploaded by Randal
- 22. (c) Michal Horsák, some rights reserved (CC BY)
- 23. (c) Kudaibergen Amirekul, some rights reserved (CC BY-SA), uploaded by Kudaibergen Amirekul
- 24. (c) Almantas Kulbis, some rights reserved (CC BY-NC), uploaded by Almantas Kulbis
- 25. (c) Claude & Amandine EVANNO, some rights reserved (CC BY-NC-ND)
- 26. (c) Aiwok, some rights reserved (CC BY-SA)
- 27. (c) Tom Meijer, some rights reserved (CC BY-SA)
- 28. (c) Jakob Fahr, some rights reserved (CC BY-NC), uploaded by Jakob Fahr
- 29. (c) Ondřej Zicha, some rights reserved (CC BY-NC)
- 30. (c) Mantas Adomaitis, some rights reserved (CC BY-NC), uploaded by Mantas Adomaitis
- 31. (c) Kim, Hyun-tae, some rights reserved (CC BY-NC-SA), uploaded by Kim, Hyun-tae
- 32. (c) Rytis, some rights reserved (CC BY-NC), uploaded by Rytis
- 33. (c) Walter Wimmer, some rights reserved (CC BY-NC), uploaded by Walter Wimmer
- 34. (c) inczi89, some rights reserved (CC BY-NC)
- 35. (c) Vladimir Ribičić, some rights reserved (CC BY-NC), uploaded by Vladimir Ribičić
- 36. (c) Douda K, some rights reserved (CC BY-SA)
- 37. (c) Lenka Janochova, some rights reserved (CC BY-NC), uploaded by Lenka Janochova
- 38. (c) Museum of Geology, University of Tartu, some rights reserved (CC BY-SA)
- 39. (c) jfb22, some rights reserved (CC BY-NC), uploaded by jfb22
- 40. (c)
Gargominy O., some rights reserved (CC BY)
- 41. (c) MSone, some rights reserved (CC BY-NC-ND), uploaded by MSone
- 42. (c) Martin Grimm, some rights reserved (CC BY-NC), uploaded by Martin Grimm
- 43. (c) Paul Cook, some rights reserved (CC BY-NC-ND), uploaded by Paul Cook
- 44. (c) Michal Maňas
, some rights reserved (CC BY)
- 45. (c) Owen Strickland, some rights reserved (CC BY-NC), uploaded by Owen Strickland
- 46. (c) Grahame, some rights reserved (CC BY-NC-ND), uploaded by Grahame
- 47. (c) Judith Ellen Lopez, some rights reserved (CC BY-NC)
- 48. (c) AfroBrazilian, some rights reserved (CC BY-SA)