﻿Report 
  of 
  the 
  State 
  Geologist. 
  

  

  921 
  

  

  Lyeopoeina. 
  — 
  Similar 
  to 
  the 
  preceding 
  but 
  having 
  only 
  two 
  

   ranges 
  of 
  cell 
  apertures. 
  

  

  Lyeopoeella. 
  — 
  Forms 
  intermediate 
  between 
  Lyropora 
  and 
  

   Lyroporina. 
  

  

  Of 
  these 
  thirty 
  genera, 
  ten 
  genera 
  and 
  six 
  groups 
  have 
  been 
  

   for 
  the 
  first 
  time 
  proposed 
  in 
  this 
  paper, 
  as 
  follows 
  : 
  

  

  Geoups 
  of 
  Fenestella. 
  

   a 
  (humilis). 
  

   £ 
  (nodata). 
  

   y 
  (laminata). 
  

   d 
  (mediadilata). 
  

   e 
  (summidilata). 
  

   ? 
  (praetexta). 
  

  

  Flabelliporina. 
  

  

  Polyporella. 
  

  

  Flabelliporella. 
  

  

  Reteporella. 
  

  

  Pinnaporina. 
  

  

  Pinna 
  porella. 
  

  

  116 
  

  

  Geoups 
  of 
  Cyclopoeina. 
  

  

  Corresponding 
  to 
  the 
  

   same 
  groups 
  under 
  

   Fenestella. 
  

  

  Tectuli 
  porella. 
  

  

  Lyroporina. 
  

  

  Lyroporella. 
  

  

  