Groupe : Longitudinal section

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Longitudinal 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. Type of modularity
  10. Structure of central Cavity (or internal if one wall)
  11. Type of carcass perforations: outer wall or single wall (OW/SW)
  12. Shape of carcass canals tubes (OW/SW)
  13. Direction of carcass canals tubes (OW/SW)
  14. Origin of carcass canals (OW/SW)
  15. Presence of carcass bumps: outer wall or single wall (OW/SW)
  16. Number of perforation on carcass bumps (OW/SW)
  17. Direction of carcass bumps perforation (OW/SW)
  18. Presence of carcass external plates: outer wall or single wall (OW/SW)
  19. Rims of carcass external plates (OW/SW)
  20. Direction of carcass external plates (OW/SW)
  21. Shape of morphological tubes (OW/SW)
  22. Type of additional sheath (OW/SW)
  23. Type of microporous sheath (OW/SW)
  24. Repartition of bracts on additional sheath (OW/SW)
  25. Type of carcass perforations: inner wall (IW)
  26. Rows number of carcass pores per intertabula (IW)
  27. Constitution of carcass canal system (IW)
  28. Building of carcass canals zones (IW)
  29. Shape of carcass canals tubes zone A (IW)
  30. Porosity of carcass canals tubes zone A (IW)
  31. Direction of carcass canals tubes zone A (IW)
  32. Shape of carcass canals tubes zone B (IW)
  33. Direction of carcass canals tubes zone B (IW)
  34. Porosity of carcass canals tubes zone B (IW)
  35. Presence of carcass external plates: inner carcass wall (IW)
  36. Localization of carcass bracts (IW)
  37. Shape of the interlocking of successive carcass annuli (IW)
  38. Localization of carcass annuli according tabulae (IW)
  39. Shape of carcass external plates (IW)
  40. Rims of carcass external plates (IW)
  41. Direction of carcass external plates (IW)
  42. Shape of morphological tubes (IW)
  43. Presence of stipules (IW)
  44. Type of additional sheath (IW)
  45. Type of microporous sheath (IW)
  46. Repartition of bracts on additional sheath (IW)
  47. Presence of thorny corolla
  48. Presence of vertical intervallar structures
  49. Type of vertical intervallar structures
  50. Porosity of vertical intervallar structures
  51. Repartition of vertical intervallar structures pores
  52. Porosity type of vertical intervallar structures
  53. Pores shape of vertical intervallar structures
  54. Type of links between intervallar structures
  55. Repartition of synapticulae
  56. Repartition of pillars
  57. Type of plates
  58. Presence of intervallar cells
  59. Type of Intervallar cells
  60. Section shape of intervallar cells
  61. Presence of tabulae
  62. Organization of tabulae inside the cup
  63. Building of tabulae
  64. Presence of chambers
  65. Shape of initial chamber
  66. Chambers number
  67. Shape of subsequent chambers
  68. Type of chambers stack
  69. Type of other aquiferous unit