Groupe : Oblique section

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Oblique section

Liste des descripteurs

  1. Cup shapes
  2. Shape of cup bulges
  3. General shape of folds affecting both walls
  4. Shape of folds affecting both walls
  5. Number of walls
  6. Structure of outer carcass wall (OW/SW)
  7. Structure of inner carcass wall (IW)
  8. Type of habitus
  9. Structure of central Cavity (or internal if one wall)
  10. Type of carcass perforations: outer wall or single wall (OW/SW)
  11. Shape of carcass perforations openings (OW/SW)
  12. Size of carcass pores (OW/SW)
  13. Distribution of carcass pores (OW/SW)
  14. Shape of carcass canals tubes (OW/SW)
  15. Subdivision of carcass perforations openings (OW/SW)
  16. Direction of carcass canals tubes (OW/SW)
  17. Origin of carcass canals (OW/SW)
  18. Rows number of carcass perforations per intersept (OW/SW)
  19. Presence of carcass bumps: outer wall or single wall (OW/SW)
  20. Number of perforation on carcass bumps (OW/SW)
  21. Direction of carcass bumps perforation (OW/SW)
  22. Presence of carcass external plates: outer wall or single wall (OW/SW)
  23. Type of carcass external plates (OW/SW)
  24. Shape of carcass external plates (OW/SW)
  25. Rims of carcass external plates (OW/SW)
  26. Direction of carcass external plates (OW/SW)
  27. Shape of morphological tubes (OW/SW)
  28. Presence of stipules (OW/SW)
  29. Type of additional sheath (OW/SW)
  30. Type of microporous sheath (OW/SW)
  31. Type of mesh (OW/SW)
  32. Repartition of bracts on additional sheath (OW/SW)
  33. Type of carcass perforations: inner wall (IW)
  34. Shape of carcass perforations openings (IW)
  35. Subdivision of carcass perforations openings (IW)
  36. Rows number of carcass pores per intertabula (IW)
  37. Constitution of carcass canal system (IW)
  38. Building of carcass canals zones (IW)
  39. Shape of carcass canals tubes zone A (IW)
  40. Porosity of carcass canals tubes zone A (IW)
  41. Direction of carcass canals tubes zone A (IW)
  42. Shape of carcass canals tubes zone B (IW)
  43. Direction of carcass canals tubes zone B (IW)
  44. Porosity of carcass canals tubes zone B (IW)
  45. Rows number of carcass perforations per intersept (IW)
  46. Building of carcass perforations (IW)
  47. Presence of carcass external plates: inner carcass wall (IW)
  48. Type of carcass external plates (IW)
  49. Localization of carcass bracts (IW)
  50. Shape of the interlocking of successive carcass annuli (IW)
  51. Shape of carcass external plates (IW)
  52. Rims of carcass external plates (IW)
  53. Direction of carcass external plates (IW)
  54. Shape of morphological tubes (IW)
  55. Presence of stipules (IW)
  56. Type of additional sheath (IW)
  57. Type of microporous sheath (IW)
  58. Repartition of bracts on additional sheath (IW)
  59. Presence of thorny corolla
  60. Presence of vertical intervallar structures
  61. Type of vertical intervallar structures
  62. Porosity of vertical intervallar structures
  63. Repartition of vertical intervallar structures pores
  64. Porosity type of vertical intervallar structures
  65. Pores shape of vertical intervallar structures
  66. Type of links between intervallar structures
  67. Repartition of synapticulae
  68. Repartition of pillars
  69. Type of plates
  70. Presence of intervallar cells
  71. Type of Intervallar cells
  72. Section shape of intervallar cells
  73. Number of pores rows per facet (intervallar cells)
  74. Presence of tabulae
  75. Organization of tabulae inside the cup
  76. Building of tabulae
  77. Pores shape of tabulae
  78. Presence of chambers
  79. Shape of initial chamber
  80. Chambers number
  81. Shape of subsequent chambers
  82. Type of chambers stack
  83. Type of other aquiferous unit