Orbignyella Ulrich & Bassler, 1904

Type species: Orbignyella sublamellosa Ulrich & Bassler, 1904

This genus includes the species:

  1. Orbignyella billingsi
  2. (Foord, 1883) Ordovician Caradoc=Sandbian-Katian Canada Ontario
  3. Orbignyella bodaensis
  4. Brood, 1982 U. Ordovician Sweden
  5. Orbignyella boonderensis
  6. Ross, 1961 Ordovician Australia (NSW)
  7. Orbignyella curvata
  8. Hu, 1982 M. Silurian China
  9. Orbignyella definita
  10. Fritz, 1957 Ordovician Caradoc Canada Ontario
  11. Orbignyella expansa
  12. (Ringueberg, 1886) Silurian Wenlockian USA New York
  13. Orbignyella expansa baltica
  14. Bassler, 1911 Ordovician Estonia, Sweden
  15. Orbignyella favulosa
  16. (Phillips, 1848) Ordovician Llandeilo England
  17. Orbignyella fibrosa
  18. (Lonsdale, 1839) Silurian Ludlovian England
  19. Orbignyella germana
  20. Bassler, 1911 Ordovician Caradocian Estonia
  21. Orbignyella globata
  22. Yang, 1951 M. Silurian Wenlockian China Szechuan
  23. Orbignyella lamellosa
  24. (Ulrich, 1890) Ordovician Ashgill=Katian-Hirnantian USA Illinois
  25. Orbignyella magnopora
  26. Bassler, 1906 Silurian Wenlockian USA New York
  27. Orbignyella mui
  28. Yang, 1951 M. Silurian Wenlockian China Szechuan
  29. Orbignyella multitabulata
  30. Coryell, 1921 Ordovician Caradoc USA Tennessee
  31. Orbignyella nodosa
  32. Coryell, 1921 Ordovician Caradoc USA Tennessee
  33. Orbignyella recondita
  34. Astrova, 1965 M. Ordovician Russia
  35. Orbignyella settedabanica
  36. Rozman et al., 1970 (?) U. Ordovician Russia
  37. Orbignyella sublamellosa
  38. Ulrich & Bassler, 1904 Ordovician USA, Russia
  39. Orbignyella variabile
  40. Nekhorosheva, 1988 U. Silurian Tazhikistan
  41. Orbignyella wetherbyi
  42. (Ulrich, 1882) Ordovician Caradoc USA, Canada

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.

Orbignyella from Cincinnati region: at University of Georgia.
Orbignyella from Nashville region: at University of Georgia.


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Edited by Phil Bock
Modified on 25th February 2005
Modified on 11/9/2017 (Added O. billingsi,
This URL is http://bryozoa.net/trepostomatida/atactotoechidae/orbignyella.html