Amplexopora Ulrich, 1882

Type species: Atactopora septosa Ulrich, 1879 (see Boardman 1960)

Synonyms Author Type species
Acanthotrypella Vinassa de Regny, 1921 Batostoma variabile Ulrich, 1890

This genus includes the species:

  1. Amplexopora ampla
  2. Ulrich & Bassler, 1904 U. Ordovician USA
  3. Amplexopora angusta
  4. Astrova, 1965 M. Ordovician Russia ?
  5. Amplexopora angustiformis
  6. Pushkin, 1976 M. Ordovician Russia
  7. Amplexopora arctica
  8. Twenhofel, 1938 Ordovician Canada
  9. Amplexopora bona
  10. Modzalevskaya, 1977 L. Ordovician Russia
  11. Amplexopora brownsportensis
  12. Corneliussen & Perry, 1973 M. Silurian USA (Tennessee)
  13. Amplexopora cingulata
  14. Ulrich, 1882 Ordovician USA
  15. Amplexopora columbiana
  16. Ulrich & Bassler, 1904 U. Ordovician USA
  17. Amplexopora convoluta
  18. Bassler, 1932 Ordovician USA (Tennessee)
  19. Amplexopora crassata
  20. Liu, 1980 L/M. Devonian China
  21. Amplexopora crassiparietum
  22. Ernst & Nakrem, 2015 Silurian Wenlock Norway
  23. Amplexopora cylindracea
  24. Ulrich & Bassler, 1904 U. Ordovician USA
  25. Amplexopora discoidea
  26. (Nicholson, 1874) U. Ordovician USA
  27. Amplexopora? discoidea
    (homonym)
  28. Owen, 1966 L. Carboniferous (Vis.) England
  29. Amplexopora elongata
  30. (Caley, 1936) U. Ordovician Canada
  31. Amplexopora evae
  32. Ernst & Nakrem, 2015 Silurian Wenlock Norway
  33. Amplexopora evenensis
  34. Phillips Ross, 1965 Ordovician Caradoc=Sandbian-Katian England (Shropshire)
  35. Amplexopora filiasa
  36. (d'Orbigny, 1850) U. Ordovician USA
  37. Amplexopora gigantea
  38. Termier & Termier, 1971 U. Devonian Afghanistan
  39. Amplexopora glengarria
  40. Fritz, 1957 Ordovician Canada
  41. Amplexopora glengarria shermanensis
  42. Fritz, 1957 Ordovician Canada
  43. Amplexopora? grandis
  44. Bork & Perry, 1968 Ordovician USA
  45. Amplexopora granulosa
  46. Cummings & Galloway, 1913 Ordovician USA (Indiana)
  47. Amplexopora inacifera
  48. Kopajevich, 1984 U. Ordovician Mongolia
  49. Amplexopora insularis
  50. Astrova, 1965 M. Ordovician Russia ?
  51. Amplexopora minnesotensis
  52. Ulrich, 1893 U. Ordovician USA (Minnesota)
  53. Amplexopora? minusinensis
  54. Schoenmann, 1926 M. Devonian Russia (Tunguska)
  55. Amplexopora multitabulata
  56. Troedsson, 1929 U. Ordovician Greenland
  57. Amplexopora obducta
  58. Astrova, 1959 Silurian Russia ?
  59. Amplexopora parva
  60. Utgaard & Perry, 1964 U. Ordovician USA (Indiana, Ohio)
  61. Amplexopora persimilis
  62. Nickles, 1905 U. Ordovician USA
  63. Amplexopora perversa
  64. Caley, 1936 Ordovician Canada (Ontario)
  65. Amplexopora petasiformis
  66. (Nicholson, 1881) U. Ordovician USA (Ohio)
  67. Amplexopora petasiformis welchi
  68. (James, 1882) U. Ordovician USA (Ohio)
  69. Amplexopora prantli
  70. (Pouba, 1947) U. Ordovician Czech Rep.
  71. Amplexopora pulchra
  72. Troedsson, 1929 U. Ordovician Greenland
  73. Amplexopora pumila
  74. Cummings & Galloway, 1913 Ordovician USA (Indiana)
  75. Amplexopora pustulosa
  76. Ulrich, 1890 U. Ordovician USA (Ohio)
  77. Amplexopora queenstownensis
  78. Ross, 1961 Ordovician Australia (Tas.)
  79. Amplexopora ramosa
  80. Yaroshinskaya, 1990 Silurian Russia
  81. Amplexopora robusta
  82. Ulrich, 1882 U. Ordovician USA
  83. Amplexopora septosa
  84. (Ulrich, 1879) U. Ordovician USA
  85. Amplexopora silurica
  86. Astrova, 1970 L. Silurian Ukraine
  87. Amplexopora similis
  88. Astrova, 1957 U. Silurian (Wen.) Russia
  89. Amplexopora simplicissima
  90. Modzalevskaya, 1978 U. Silurian Russia
  91. Amplexopora spinulosa
  92. Ulrich, 1893 U. Ordovician USA, Canada
  93. Amplexopora subaequata
  94. (Ulrich, 1895) U. Ordovician USA (Minn.)
  95. Amplexopora subseptosa
  96. Modzalevskaya, 1979 U. Silurian Russia
  97. Amplexopora superba
  98. Foord, 1883 U. Ordovician USA, Canada
  99. Amplexopora tezakensis
  100. Termier & Termier, 1971 L. Permian Afghanistan
  101. Amplexopora thomasi
  102. Ross, 1963 Ordovician England
  103. Amplexopora valentinae
  104. Astrova, 1965 M. Ordovician Russia ?
  105. Amplexopora variabilis
  106. (Ulrich, 1890) U. Ordovician 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.

Amplexopora at fossilworks.org.
Amplexopora tezakensis at fossilworks.org.
Amplexopora gigantea at fossilworks.org.

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


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Edited by Phil Bock
Modified on 3/3/2017
This URL is http://bryozoa.net/trepostomatida/amplexoporidae/amplexopora.html