Semieschara d'Orbigny, 1852

Type species: Semieschara flabellata d'Orbigny, 1852

Synonyms Author Type Species
Rhagasostoma Koschinsky, 1885 Rhagasostoma hexagonum Koschinsky, 1885

This genus includes the species:

  1. Semieschara accrescens
  2. Brydone, 1936 Late Cretaceous Maastrichtian England
  3. Semieschara acuum
  4. Brydone, 1936 Late Cretaceous Campanian France
  5. Semieschara aequipartita
  6. Brydone, 1936 Late Cretaceous Maastrichtian England
  7. Semieschara alumensis
  8. Brydone, 1936 Late Cretaceous Campanian France
  9. Semieschara arborea
    (Status ?)
  10. Beissel, 1865 Late Cretaceous Maastrichtian Germany
  11. Semieschara arrensis
  12. Brydone, 1936 Late Cretaceous Campanian France
  13. Semieschara cattoniana
  14. Brydone, 1936 Late Cretaceous Campanian France
  15. Semieschara? cenomana
  16. (Lecointre, 1912) Late Cretaceous Cenomanian France
  17. Semieschara clausula
  18. Brydone, 1936 Late Cretaceous Coniacian-Santonian England
  19. Semieschara crassa
  20. Beissel, 1865 Late Cretaceous Maastrichtian Germany
  21. Semieschara disparilis
  22. d'Orbigny, 1852 Late Cretaceous Campanian France
  23. Semieschara flabellata
  24. d'Orbigny, 1852 Late Cretaceous Turonian France
  25. Semieschara glavensis
  26. Brydone, 1936 Late Cretaceous Campanian England
  27. Semieschara globator
  28. Brydone, 1936 Late Cretaceous Maastrichtian England
  29. Semieschara hartfordensis
  30. Brydone, 1936 Late Cretaceous Campanian England
  31. Semieschara henrici
  32. Brydone, 1936 Late Cretaceous Campanian England
  33. Semieschara inclinata
  34. Brydone, 1936 Late Cretaceous Campanian England
  35. Semieschara irregularis
  36. d'Orbigny, 1852 Late Cretaceous Campanian France
  37. Semieschara latepatens
  38. Brydone, 1936 Late Cretaceous Campanian England
  39. Semieschara mani
  40. Guha, 1989 Late Cretaceous Cenomanian-Turonian India
  41. Semieschara microporina
  42. Brydone, 1936 Late Cretaceous Campanian England
  43. Semieschara mundesleiensis
    (Status ?)
  44. Brydone, 1906 Late Cretaceous Maastrichtian England
  45. Semieschara normaniana
  46. d'Orbigny, 1852 Late Cretaceous Coniacian France
  47. Semieschara norvicia
  48. Brydone, 1936 Late Cretaceous Campanian England
  49. Semieschara norvicia carisiana
  50. Brydone, 1936 Late Cretaceous Campanian France
  51. Semieschara peropaca
  52. Brydone, 1936 Late Cretaceous Maastrichtian England
  53. Semieschara? protecta
  54. (Koschinsky, 1885) Paleogene Eocene Lutetian Germany
  55. Semieschara quadriconvexa
  56. Brydone, 1936 Late Cretaceous Maastrichtian England
  57. Semieschara rottingensis
  58. Brydone, 1936 Late Cretaceous Campanian England
  59. Semieschara scopulorum
  60. Brydone, 1936 Late Cretaceous Campanian England
  61. Semieschara? sheringense
  62. (Brydone, 1930) Late Cretaceous Campanian England
  63. Semieschara subclavata
  64. Marsson, 1887 Late Cretaceous Maastrichtian Germany
  65. Semieschara subpunctulata
  66. Brydone, 1936 Late Cretaceous Campanian England
  67. Semieschara tertia
  68. Brydone, 1936 Late Cretaceous Turonian England
  69. Semieschara tridentata
  70. Brydone, 1936 Late Cretaceous Campanian England
  71. Semieschara tuftonensis
  72. Brydone, 1936 Late Cretaceous Santonian England
  73. Semieschara tumefacta
  74. Brydone, 1936 Late Cretaceous Campanian England
  75. Semieschara walthamensis
  76. Brydone, 1936 Late Cretaceous Campanian England
  77. Semieschara woodsi
    (Status ?)
  78. Brydone, 1906 Late Cretaceous Santonian-Campanian Germany

Many species identified with Rhagasostoma have been referred to Onychocella; others in the list above are referred from Rhagasostoma pending further revision.

Semieschara arborea at MNHN, Paris.
Semieschara normaniana at MNHN, Paris.


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Edited by Phil Bock
Modified on 23/2/2017
Modified on 23/10/2017 (2 species added from Rhagasostoma)
Modified on 7/11/2017 (27 species added )
This URL is http://bryozoa.net/cheilostomata/onychocellidae/semieschara.html