Trigonodictya Ulrich, 1893

Type species: Pachydictya conciliatrix Ulrich, 1886

Synonyms Author Type Species
Astreptodictya Karklins, 1969 Pachydictya acuta Hall, 1847

This genus includes the species:

  1. Trigonodictya acuta
    		2. (Hall, 1847) Ordovician USA WoRMS 1414192
  2. Trigonodictya acuta manniensis
    		3. (Ross, 1964) Ordovician (Caradoc) USA (New York) WoRMS 1415245
  3. Trigonodictya acuta minor
    		4. (Ross, 1964) Ordovician (Caradoc) USA (New York) WoRMS 1415246
  4. Trigonodictya acuta tabulata
    		5. (Ross, 1964) Ordovician (Caradoc) USA (New York) WoRMS 1415247
  5. Trigonodictya acuta tristolone
    		6. (Ross, 1964) Ordovician (Caradoc) USA (New York) WoRMS 1415248
  6. Trigonodictya ambigua
    		7. (Ross, 1961) Ordovician
    Silurian    		 Canada, Russia
    Canada, Estonia    		 WoRMS 1414193
  7. Trigonodictya bifurcata
    		8. (Hall, 1883) Ordovician
    Silurian    		 Sweden, Estonia
    USA    		 WoRMS 1414194
  8. Trigonodictya bifurcata instabilis
    		9.  (Foerste, 1887) Silurian Llandovery USA Ohio WoRMS 1415249
  9. Trigonodictya cirrita
    		10. Karklins, 1983 Ordovician (Caradoc) USA (Kentucky) WoRMS 1409498
  10. Trigonodictya conciliatrix
    		11. (Ulrich, 1886) Ordovician (Caradoc) USA (Minnesota) WoRMS 1414195
  11. Trigonodictya cyclostomoides
    		12.  (Eichwald, 1855) Ordovician Sandbian-Katian Estonia WoRMS 1414196
  12. Trigonodictya eatonensis
    		13.  Ulrich, 1893 Silurian Llandovery USA Ohio WoRMS 1409499
  13. Trigonodictya elegans
    		14. (Ulrich, 1893) Ordovician USA, Estonia, Sweden, Poland WoRMS 1414197
  14. Trigonodictya fenestelliformis
    		15. (Nicholson, 1875) Ordovician (Ashgill) USA, Canada WoRMS 1414198
  15. Trigonodictya fenestelliformis corticula
    		16. (Ulrich, 1890) Ordovician (Ashgill) USA (Illinois) WoRMS 1415250
  16. Trigonodictya fimbriata
    		17. (Ulrich, 1886) Ordovician (Caradoc) USA Minnesota WoRMS 1414199
  17. Trigonodictya fimbriata canadensis
    		18.  Bassler, 1906 Silurian Wenlock Canada WoRMS 1415103
  18. Trigonodictya gigantea
    		19. (Ulrich, 1890) Ordovician (Ashgill) USA (Illinois) WoRMS 1414200
  19. Trigonodictya irregularis
    		20. Coryell, 1921 Ordovician (Caradoc) USA (Tennessee) WoRMS 1409500
  20. Trigonodictya obesa
    		21. (Foerste, 1887) Silurian (Llandovery) USA (Ohio) WoRMS 1414201
  21. Trigonodictya occidentalis
    		22. (Ulrich, 1886) Ordovician (Caradoc) USA (Minnesota) WoRMS 1414202
  22. Trigonodictya parvula
    		23.  Ernst & Carrera, 2012 Late Ordovician Sandbian Argentina WoRMS 1409501
  23. Trigonodictya pumila
    		24. (Ulrich, 1890) Ordovician USA (Minnesota), Russia WoRMS 1414203
  24. Trigonodictya triserialis
    		25. (Ulrich, 1890) Ordovician (Caradoc) Canada WoRMS 1414204
  25. Trigonodictya turgida
    		26. (Foerste, 1887) Silurian (Llandovery) USA (Ohio) WoRMS 1414205

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 7th October 2013
Modified on 26/11/2017 (Added T.fimbriata canadensis)
Modified on 1/7/2020 (Added WoRMS links)
This URL is http:// bryozoa.net/cryptostomida/rhinidictyidae/trigonodictya.html