﻿Plate 
  7 
  

  

  Page 
  

   Figs. 
  1, 
  2. 
  Fasciculipora 
  flabellata 
  D'Orbigny, 
  1853 
  51 
  

  

  1. 
  Lateral 
  view 
  of 
  a 
  specimen, 
  X6, 
  with 
  little 
  expanded 
  

  

  base. 
  

  

  2. 
  Zoarium, 
  X6, 
  viewed 
  from 
  above, 
  showing 
  the 
  orifices 
  

  

  of 
  the 
  tubes 
  at 
  the 
  extremity 
  of 
  the 
  fronds. 
  

   Lower 
  Cretaceous 
  (Valangian) 
  : 
  Sainte-Croix, 
  Switzer- 
  

   land. 
  

   Figs. 
  3, 
  4. 
  Plethopora 
  aptensis, 
  new 
  species 
  53 
  

  

  3. 
  Zoaria, 
  natural 
  size 
  and 
  enlarged. 
  

  

  4. 
  Bifurcated 
  zoarial 
  fragment, 
  X12. 
  

  

  Lower 
  Cretaceous 
  (Aptian): 
  Faringdon, 
  England. 
  

   Figs. 
  5-7. 
  Retenoa 
  campicheana 
  D'Orbigny, 
  1853 
  56 
  

  

  5. 
  Fragments, 
  natural 
  size. 
  

  

  6. 
  Posterior 
  noncellular 
  (dorsal) 
  face 
  of 
  a 
  branch 
  showing 
  

  

  an 
  ovicell 
  below 
  a 
  bifurcation, 
  X12. 
  

  

  7. 
  Cellular 
  (anterior) 
  face 
  of 
  a 
  bifurcated 
  branch, 
  X12. 
  

   Lower 
  Cretaceous 
  (Valangian): 
  Sainte-Croix, 
  Switzer- 
  

   land. 
  

  

  Figs. 
  8-12. 
  Chartecytis 
  compressa, 
  new 
  species 
  55 
  

  

  S. 
  Zoarium, 
  natural 
  size. 
  

  

  9. 
  Bifurcated 
  zoarial 
  fragment, 
  X12. 
  The 
  orifices 
  of 
  the 
  

   tubes 
  are 
  lozenge-shaped 
  slits. 
  

  

  10. 
  Compressed 
  zoarial 
  with 
  trace 
  of 
  ovicell, 
  X12. 
  

  

  11. 
  Surface 
  (if 
  same 
  specimen, 
  X25. 
  

  

  12. 
  Extremity 
  of 
  a 
  branch 
  showing 
  the 
  conical 
  zone 
  of 
  

  

  growth. 
  

   Lower 
  Cretaceous 
  I 
  Valangian) 
  : 
  Sainte-Croix, 
  Switzer- 
  

   land. 
  

  

  100 
  

  

  