Cyphotrypa Ulrich & Bassler, 1904

Type species: Leptotrypa acervulosa Ulrich, 1893

This genus includes the species:

  1. Cyphotrypa acervulosa
  2. (Ulrich, 1893) Ordovician USA (Iowa) WoRMS 1410691
  3. Cyphotrypa alexandrae
  4. Modzalevskaya, 1978 L. Silurian Russia WoRMS 1401254
  5. Cyphotrypa alternata
  6. Liu, 1980 M. Ordovician NE China WoRMS 1401255
  7. Cyphotrypa americana
  8. (Fritz, 1957) Ordovician Caradoc Canada Ontario WoRMS 1410692
  9. Cyphotrypa antiqua
  10. (Modzalevskaya, 1953) Ordovician Arenigian Russia WoRMS 1410693
  11. Cyphotrypa bulbosa
  12. (Billings, 1865) Ordovician Ashgill Canada Anticosti Is. WoRMS 1410694
  13. Cyphotrypa clarksvillensis
  14. MacFarlan, 1931 Ordovician Ashgillian USA Kentucky WoRMS 1401256
  15. Cyphotrypa columnaris
  16. Kopajevich, 1984 Devonian Givetian-Frasnian Mongolia WoRMS 1401257
  17. Cyphotrypa? corrugata
  18. (Weller, 1903) Silurian-Devonian USA, Belarus WoRMS 1410695
  19. Cyphotrypa corrugatiformis
  20. Kopajevich, 1984 U. Silurian Mongolia WoRMS 1401258
  21. Cyphotrypa definita
  22. Morozova, 1959 Devonian Russia ? WoRMS 1401259
  23. Cyphotrypa expanda
  24. Bassler, 1923 Silurian, Pridolian USA West Virginia, Pennsylvania WoRMS 1401260
  25. Cyphotrypa explorata
  26. Troitzkaia, 1968 U. Devonian Kazakhstan WoRMS 1401261
  27. Cyphotrypa hexagonalis
  28. (Nekhorosheva, 1965) Ordovician Caradocian Russia WoRMS 1410696
  29. Cyphotrypa informis
  30. (Ulrich, 1895) Ordovician Caradocian USa Minnesota WoRMS 1410697
  31. Cyphotrypa insulans
  32. Astrova, 1970 L. Silurian Estonia WoRMS 1401262
  33. Cyphotrypa juruensis
  34. Astrova, 1970 L. Silurian Estonia WoRMS 1401263
  35. Cyphotrypa? kojimensis
  36. Astrova, 1945 Silurian Russia WoRMS 1401264
  37. Cyphotrypa kondomensis
  38. Morozova, 1959 Devonian Frasnian Russia? WoRMS 1401265
  39. Cyphotrypa kossjensis
  40. (Astrova, 1940) Ordovician Russia WoRMS 1410698
  41. Cyphotrypa lamellosa
  42. Ross, 1961 Devonian Australia WoRMS 1401266
  43. Cyphotrypa liuyangensis
  44. Li, 1992 Devonian China (Hunan) WoRMS 1401267
  45. Cyphotrypa maculata
  46. Astrova, 1970 U. Silurian Estonia WoRMS 1401268
  47. Cyphotrypa madisonensis
  48. Brown & Daly, 1985 U. Ordovician USA (Indiana) WoRMS 1401269
  49. Cyphotrypa magna
  50. Boulange, 1964 Ordovician France (Languedoc) WoRMS 1401270
  51. Cyphotrypa minuscula
  52. Volkova, 1974 M. Devonian Russia WoRMS 1401271
  53. Cyphotrypa murrumbidgensis
  54. Ross, 1961 Devonian Australia (NSW) WoRMS 1401272
  55. Cyphotrypa normalis
  56. Pushkin, 1976 U. Silurian Belarus WoRMS 1401273
  57. Cyphotrypa olgae
  58. Tolokonnikova, 2010 Late Devonian Famennian Russia Gornyi Altai WoRMS 1401274
  59. Cyphotrypa osgoodensis
  60. Perry & Hattin, 1960 Silurian USA (Indiana) WoRMS 1401275
  61. Cyphotrypa pachymuralis
  62. Brown, 1965 Ordovician USA (Kentucky) WoRMS 1401276
  63. Cyphotrypa perillustris
  64. Troitzkaia, 1968 M. Devonian Kazakhstan WoRMS 1401277
  65. Cyphotrypa polygona
  66. Bassler, 1928 Ordovician Ashgill Canada WoRMS 1401278
  67. Cyphotrypa putunggouensis
  68. Liu, 199x(undated) Devonian China (Szechuan) WoRMS 1401279
  69. Cyphotrypa regularis
  70. Jiménez-Sánchez, 2015 Late Ordovician Katian Morocco WoRMS 1401280
  71. Cyphotrypa simplex
  72. Hu, 1988 Devonian Frasnian China WoRMS 1401281
  73. Cyphotrypa sphaerica
  74. Astrova, 1959 Silurian Russia? WoRMS 1401282
  75. Cyphotrypa switzeriensis
  76. Karklins, 1984 U. Ordovician USA (Kentucky) WoRMS 1401283
  77. Cyphotrypa undulata
  78. Hu, 1990 L. Silurian China WoRMS 1401284
  79. Cyphotrypa verae
  80. Modzalevskaya, 1978 L. Silurian Russia WoRMS 1401285
  81. Cyphotrypa waynensis
  82. Utgaard & Perry, 1964 U. Ordovician USA (Indiana, Ohio) WoRMS 1401286
  83. Cyphotrypa whiteavesi
  84. McCammon, 1960 Devonian Canada (Manitoba) WoRMS 1401287
  85. Cyphotrypa yak
  86. (Salter & Blanford, 1865) Late Ordovician India WoRMS 1410699
  87. Cyphotrypa zlichovensis
  88. Kulich, 1984 L. Devonian Czech Republic? WoRMS 1401288

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.

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


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Edited by Phil Bock
Modified on 11/06/2016
Modified on 25/5/2020 (Added WoRMS links)
This URL is http://bryozoa.net/trepostomatida/atactotoechidae/cyphotrypa.html