Helopora Hall, 1851

Type species: Helopora fragilis Hall, 1851

This genus includes the species:

  1. Helopora alternata
  2. Ulrich, 1890 Ordovician USA (Minnesota)
  3. Helopora andina
  4. Rusconi, 1956 Ordovician Argentina
  5. Helopora approximata ?
  6. James, 1875 Ordovician USA (Ohio)
  7. Helopora armata
  8. Billings, 1866 Silurian Canada
  9. Helopora clavatula
  10. Yang & Xia, 1976 Silurian China (Yunnan)
  11. Helopora concava
  12. Billings, 1866 Ordovician/Silurian Canada
  13. Helopora consona
  14. Goryunova, 1985 Ordovician Estonia
  15. Helopora devonica
  16. Morozova, 1957 Devonian Russia
  17. Helopora fragilis
  18. Hall, 1851 Silurian Canada
  19. Helopora inexspectata
  20. McNair, 1937 Devonian USA (Ohio, Mich.)
  21. Helopora limata
  22. Astrova, 1965 L. Silurian Russia
  23. Helopora miagaoensis
  24. Yang & Xia, 1976 Silurian China (Yunnan)
  25. Helopora morozovae
  26. Romanchuk, 1979 L. Devonian Russia
  27. Helopora mucronata
  28. Ulrich, 1890 Ordovician USA
  29. Helopora nobilis
  30. Liu, 1980 L/M. Devonian China
  31. Helopora optima
  32. Goryunova, 1985 Ordovician Estonia
  33. Helopora ovata
  34. Yang & Hu, 1965 M. Devonian China (Kwangsi)
  35. Helopora perelegans
  36. Romanchuk, 1979 L. Devonian Russia
  37. Helopora pulchella
  38. Shrock & Raasch, 1937 Ordovician USA
  39. Helopora quadrata
  40. Ulrich, 1895 U. Ordovician USA (Minnesota)
  41. Helopora radiata
  42. Hu & Fan, 1985 U. Silurian China (Yunnan)
  43. Helopora restricta
  44. Goryunova, 1985 L. Silurian Estonia
  45. Helopora spiniformis
  46. (Ulrich, 1882) Ordovician USA
  47. Helopora spiniformis macropora
  48. Toots, 1952 Ordovician Estonia
  49. Helopora spiralis
  50. (Nekhoroshev, 1955) Silurian Russia
  51. Helopora vadosa
  52. Goryunova, 1985 Ordovician Estonia
  53. Helopora yangi
  54. Gorjunova, 1985 M. Devonian China (Kwangsi)
 

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Edited by Phil Bock
Modified on 23rd May 2004
This URL is http:// bryozoa.net/cryptostomida/arthrostylidae/helopora.html