Acanthoclema Hall, 1886

Type species: Trematopora alternata Hall, 1883

Placed in the Nikiforovellidae by Blake, 1983

Synonyms Author Type Species
Linotaxis ? Bassler, 1952 Orthopora? magna McNair, 1942

This genus includes the species:

  1. Acanthoclema alternatum
  2. (Hall, 1883) L. Devonian (Ems.) USA (New York)
  3. Acanthoclema asperum
  4. (Hall, 1852) Silurian (Wen., Llan.) USA, Canada
  5. Acanthoclema confluens
  6. (Ulrich, 1888) L. Carboniferous (Tour. - Vis.) USA
  7. Acanthoclema distilum
  8. Bigey, 1988 M. Devonian France
  9. Acanthoclema divergens
  10. Hall & Simpson, 1887 M. Devonian (Eif.) USA
  11. Acanthoclema elegantula
  12. Ernst, 2008 Middle Devonian Germany
  13. Acanthoclema irregularis
  14. Ernst, 2011 Early Devonian Spain
  15. Acanthoclema junggarensis
  16. Xia, 1997   China
  17. Acanthoclema lineatum
  18. McNair, 1937 Devonian USA
  19. Acanthoclema ohioense
  20. McNair, 1937 M. Devonian (Givet.) USA
  21. Acanthoclema ovatum
  22. Hall & Simpson, 1887 M. Devonian (Eif.) USA
  23. Acanthoclema parva
  24. Ernst, 2011 Early Devonian Spain
  25. Acanthoclema parvula
  26. Ernst, Dorsch & Keller, 2011 Devonian Emsian-Eifelian Spain
  27. Acanthoclema sulcatum
  28. Hall & Simpson, 1887 M. Devonian (Givet.) USA
  29. Acanthoclema triangularis
  30. Ernst & Königshof, 2010 Middle Devonian Givetian Western Sahara
  31. Acanthoclema triseriale
  32. (Hall, 1883) L. Devonian (Ems.) USA

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 16th October 2012
Modified on 24/4/2018
This URL is http://bryozoa.net/cryptostomida/hyphasmoporidae/acanthoclema.html