Chasmatopora d'Orbigny, 1849

Type species: Retepora tenella Eichwald, 1842

Synonyms Author Type Species
Chasmatoporella Nekhoroshev, 1936 Chasmatoporella metzi Nekhoroshev, 1936 = Synocladia hypnoides Sharpe, 1853

This genus includes the species:

  1. Chasmatopora? angulata
  2. (Hall, 1852) Ordovician Ashgill=Katian-Hirnantian USA, Canada
  3. Chasmatopora aperta
  4. Kopajevich, 1984 Ordovician Ashgill Mongolia
  5. Chasmatopora aspera
  6. (Hall, 1847) Ordovician Llandeilo =Darriwillian USA, Canada
  7. Chasmatopora disparilis
  8. Liu, 1980 Middle Ordovician China
  9. Chasmatopora extensa
  10. Liu, 1980 Middle Ordovician China
  11. Chasmatopora fenestrata
  12. (Hall, 1850) Ordovician Caradoc=Sandbian-Katian USA New York
  13. Chasmatopora flexa
  14. Zheng, 1990 Ordovician China
  15. Chasmatopora foerstei
  16. McKinney & Wyse Jackson, 2010 Silurian Llandovery USA Ohio
  17. Chasmatopora furcata
  18. (Eichwald, 1854) Ordovician Darriwillian Estonia
  19. Chasmatopora granistriata
  20. (Ulrich, 1890) Ordovician-Silurian USA, Canada
  21. Chasmatopora havliceki
  22. (Prantl, 1956) Ordovician Darriwillian Czech Rep.
  23. Chasmatopora hypnoides
  24. (Sharpe, 1853) Ordovician Portugal, France, Spain, Italy
  25. Chasmatopora livonica
  26. (Nekhoroshev, 1960) Ordovician Estonia
  27. Chasmatopora papillosa
  28. (Bekker, 1921) Ordovician Llandeilo-Caradoc=Darriwillian-Katian Estonia
  29. Chasmatopora rossae
  30. Ernst & Carrera, 2012 Late Ordovician Sandbian Argentina
  31. Chasmatopora silurica
  32. (Kopaevich, 1975) Silurian Llandovery Estonia
  33. Chasmatopora spatiosa
  34. Ariunchimeg, 2009 Late Ordovician Russia
  35. Chasmatopora sublaxa
  36. Ulrich, 1890 Ordovician Caradoc USA, Canada, Poland
  37. Chasmatopora tenella
    (Genus doubtful)
  38. (Eichwald, 1842) Ordovician Ashgill Estonia
  39. Chasmatopora tolmatchovensis
  40. (Nekhorosheva, 1966) Ordovician Caradoc Russia
  41. Chasmatopora tricellata
  42. (Nekhoroshev, 1955) Silurian Llandovery Russia

Chasmatopora from Cincinnati region: at University of Georgia.

Chasmatopora sublaxa at Yale Peabody Museum.

This information is based upon various sources, but no personal knowledge. I am indebted to the late Alan Horowitz for his compilation, and to Dr. J. Pachut.
I would be grateful for corrections to, or critical reviews of this information. This is not a 'final' version (an impossible ideal), but a working document.


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Edited by Phil Bock
Modified on 20/3/2017
This URL is http://bryozoa.net/fenestrida/chasmatoporidae/chasmatopora.html