﻿146 
  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  Heliolites 
  pyriformis 
  Guettard 
  (Fig. 
  42) 
  (Hall. 
  1852. 
  PaL 
  

   N. 
  7.2:133, 
  pi. 
  36A) 
  

  

  Distinguishing 
  characters. 
  Macrocorallites 
  larger 
  than 
  preceding, 
  

   and 
  generally 
  more 
  widely 
  separated; 
  mostly 
  several 
  series 
  of 
  micro- 
  

  

  Fig. 
  42 
  Heliolites 
  pyriformis 
  

  

  corallites, 
  though 
  they 
  may 
  sometimes 
  be 
  absent 
  when 
  macros 
  

   corallites 
  are 
  in 
  contact; 
  short 
  pseudosepta. 
  

  

  Found 
  commonly 
  in 
  the 
  lower 
  Lockport 
  limestone 
  at 
  Lockport 
  

   (Hall). 
  Probably 
  also 
  at 
  Niagara. 
  

  

  Genus 
  cladopora 
  Hall 
  

  

  [Ety. 
  : 
  xXddo<^^ 
  twig; 
  ~6po<^, 
  pore] 
  

  

  (1852. 
  PaL 
  N. 
  Y. 
  2 
  :i37) 
  

  

  Corallum 
  branching 
  or 
  reticulate; 
  branches 
  cylindric 
  or 
  slightly 
  

   compressed 
  with 
  terete 
  terminations. 
  Corallites 
  small, 
  radiating 
  

   equally 
  on 
  all 
  sides 
  from 
  the 
  axis, 
  and 
  opening 
  on 
  the 
  surface 
  in 
  

   rounded 
  or 
  subangular 
  expanded 
  calyxes, 
  which 
  are 
  generally 
  con- 
  

   tiguous, 
  and 
  apparently 
  destitute 
  of 
  septa. 
  

  

  Cladopora 
  seriata 
  Hall 
  (Fig. 
  43) 
  (1852. 
  Pa/. 
  #. 
  7. 
  2:137, 
  pi. 
  38) 
  

  

  Distinguishing 
  characters. 
  Nearly 
  parallel, 
  rather 
  closely 
  crowded 
  

  

  branches, 
  forming 
  a 
  glomerate 
  mass, 
  the 
  branches 
  sometimes 
  

  

  