﻿S. 
  Welle?' 
  — 
  Succession 
  of 
  Fossil 
  Faunas 
  in 
  Missouri. 
  197 
  

  

  EANGE 
  OF 
  SPECIES. 
  

  

  ZONES. 
  

  

  Burlington. 
  

  

  I 
  II 
  III 
  IV 
  V 
  

  

  Athyris 
  incrassatus 
  Hall 
  

  

  lamellosa 
  L'Eveille 
  — 
  

  

  planosulcata 
  Phillips 
  

  

  Camarophoria 
  subtrigona 
  Meek 
  

   and 
  Worthen 
  

  

  Chonetes 
  illinoisensis 
  Worthen 
  .- 
  

  

  Derby 
  ia 
  keokuk 
  Hall 
  

  

  JEumetria 
  vemeuilana 
  Hall 
  

  

  Orthis 
  burlingtonensis 
  Hall 
  

  

  dubia 
  Hall 
  

  

  swallovi 
  Hall 
  

  

  Product 
  us 
  burlingtonensis 
  Hall.. 
  

  

  cora 
  D'Orbigny 
  _ 
  

  

  laevicostus 
  White 
  

  

  marginicinctus 
  Pront 
  _ 
  

  

  punctatus 
  Martin 
  

  

  setigerus 
  Hall 
  

  

  Rhynchonella 
  mutata 
  Hall. 
  

  

  Spirifer 
  biplicatus 
  Hall 
  

  

  forbesi 
  Norwood 
  and 
  Pratten 
  

  

  grimesi 
  Hall 
  

  

  keokuk 
  Hall 
  

  

  lineata 
  Martin 
  

  

  Uneatoides 
  Swallow 
  

  

  logani 
  Hall 
  

  

  marionensis 
  Shumard 
  

  

  neglectus 
  Hall 
  

  

  pseudolineata 
  Hall 
  

  

  suborbicularis 
  Hall 
  

  

  tenuico 
  status 
  Hall 
  

  

  sp 
  

  

  Strophomena 
  analoga 
  Phillips 
  .. 
  

  

  Syringothyris 
  carteri 
  Hall 
  

  

  plenus 
  Hall 
  

  

  textus 
  Hall 
  

  

  Ter 
  ebratu 
  la 
  burlingtonensis 
  

  

  White... 
  

  

  sacculus 
  Martin 
  

  

  Metoptoma 
  umbella 
  Meek 
  and 
  

   Worthen 
  

  

  Phanerotinus 
  paradoxus 
  Win- 
  

   chell 
  

  

  Platyceras 
  acutirostris 
  Hall 
  

  

  equilatera 
  Hall 
  

  

  fisurella 
  Hall 
  

  

  quincyense 
  McChesney 
  

  

  Pieurotomaria 
  montezuma 
  Wor- 
  

   then 
  

  

  Straparollus 
  latus 
  Hall 
  

  

  Aviculopecten 
  magna 
  Swallow 
  .. 
  

  

  Conocardium 
  indianense 
  Miller 
  ? 
  

   meekanum 
  Hall 
  ? 
  

  

  Entolium 
  circulus 
  Shumard 
  

  

  X 
  

  

  X 
  

  

  X 
  X 
  

  

  X 
  X 
  

  

  X 
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  ! 
  x 
  

  

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  X 
  

  

  X 
  

  

  

  

  Keokuk. 
  

  

  

  

  VI 
  

  

  VII 
  

  

  VIII 
  

  

  IX 
  

  

  X 
  

  

  XI 
  

  

  XII 
  

  

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