﻿PYCXODONTID.E. 
  257 
  

  

  principal 
  series 
  on 
  the 
  splenial 
  bone 
  smooth, 
  somewhat 
  more 
  than 
  

   three 
  times 
  as 
  broad 
  as 
  long; 
  those 
  of 
  the 
  inner 
  flanking 
  series 
  

   considerably 
  more 
  than 
  half 
  as 
  broad 
  as 
  the 
  latter. 
  

  

  Form. 
  <$f 
  Loc. 
  Senonian 
  : 
  Sussex. 
  

  

  Not 
  represented 
  in 
  the 
  Collection. 
  

  

  The 
  following 
  species 
  have 
  also 
  been 
  defined 
  from 
  fragmentary 
  

   specimens 
  and 
  are 
  not 
  represented 
  in 
  the 
  Collection 
  : 
  — 
  

  

  Ccelodus 
  angustatus, 
  J. 
  J. 
  Heckel, 
  Denkschr. 
  k. 
  Akad. 
  Wiss., 
  math.- 
  

  

  naturw. 
  CI. 
  vol. 
  xi. 
  (1856), 
  p. 
  203. 
  Glossodus 
  angustatus, 
  

  

  O. 
  G. 
  Costa, 
  Atti 
  Accad. 
  Pontan. 
  vol. 
  vii. 
  (1853), 
  p. 
  27, 
  

  

  pi. 
  iii. 
  figs. 
  12-15. 
  — 
  L. 
  Cretaceous 
  ; 
  Pietraroja, 
  Naples. 
  

  

  [Imperfect 
  dentition.] 
  

   Ccelodus 
  asperidus 
  : 
  Pycnodus 
  asperulus, 
  J. 
  Cornuel, 
  Bull. 
  Soc. 
  

  

  Geol. 
  France, 
  [3] 
  vol. 
  xi. 
  (1883), 
  p. 
  24, 
  pi. 
  i. 
  figs. 
  6, 
  7.— 
  

  

  Neocomian; 
  Haute 
  Marne. 
  [Splenial; 
  Communal 
  Museum, 
  

  

  Doulevant-le-Chateau.] 
  

   Coelodus 
  browni, 
  E. 
  D. 
  Cope, 
  Journ. 
  Acad. 
  Nat. 
  Sci. 
  Philad. 
  [2] 
  

  

  vol. 
  ix. 
  (1894), 
  p. 
  447, 
  pi. 
  xx. 
  fig. 
  10. 
  — 
  Lower 
  Cretaceous 
  ; 
  

  

  Oklahoma. 
  [Left 
  splenial.] 
  

   Coelodus 
  carentonensis 
  : 
  Gyrodus 
  carentonensis, 
  H. 
  Coquand, 
  

  

  Descript. 
  Geol. 
  etc. 
  Depart. 
  Charente, 
  vol. 
  ii. 
  (1860), 
  

  

  p. 
  97. 
  Cosmodus 
  carentonensis, 
  H. 
  E. 
  Sauvage, 
  Bull. 
  Soc. 
  

  

  Sci. 
  Nat. 
  Tonne, 
  vol. 
  xxxiii. 
  pt. 
  ii. 
  (1879), 
  p. 
  49, 
  and 
  Bull. 
  

  

  Soc. 
  Geol. 
  Prance, 
  [3] 
  vol. 
  viii. 
  (1880), 
  p. 
  459, 
  pi. 
  xiv. 
  

  

  fig. 
  1. 
  — 
  Cenomanian 
  ; 
  Charente, 
  Erance. 
  [Portion 
  of 
  

  

  vomerine 
  dentition, 
  type 
  of 
  Cosmodus, 
  Sauvage.] 
  

   Coelodus 
  discus, 
  J. 
  J. 
  Heckel, 
  loc. 
  cit. 
  vol. 
  xi. 
  (1856), 
  p. 
  203. 
  

  

  Pycnodus 
  rhombus, 
  O. 
  G. 
  Costa 
  (errore), 
  loc. 
  cit. 
  vol. 
  v. 
  

  

  (1850), 
  p. 
  332, 
  pi. 
  v. 
  fig. 
  1.— 
  Upper 
  Jurassic; 
  Torre 
  

  

  d'Orlando, 
  Naples. 
  

   Coelodus 
  fabarius 
  : 
  Pycnodus 
  fabarius, 
  E. 
  Sismonda, 
  Mem. 
  E. 
  

  

  Accad. 
  Sci. 
  Torino, 
  [2] 
  vol. 
  xix. 
  (1861), 
  p. 
  457, 
  pi. 
  i. 
  

  

  fig. 
  12. 
  — 
  Neocomian 
  ; 
  Piedmont. 
  [Splenial.] 
  

   Ccelodus 
  major: 
  Cosmodus 
  grandis, 
  H. 
  E. 
  Sauvage, 
  Bull. 
  

  

  Soc. 
  Sci. 
  Nat. 
  Yonne, 
  vol. 
  xxxiii. 
  pt. 
  ii. 
  (1879), 
  p. 
  49, 
  

  

  pi. 
  iii. 
  fig. 
  29. 
  — 
  Cenomanian 
  ; 
  Seignelay, 
  Tonne, 
  France. 
  

  

  [Splenial.] 
  

   Ccelodus 
  mesoracliis, 
  J. 
  J. 
  Heckel, 
  loc. 
  cit. 
  vol. 
  xi. 
  (1856), 
  p. 
  220, 
  

  

  pi. 
  viii. 
  fig. 
  1 
  ; 
  F. 
  Bassani, 
  ibid. 
  vol. 
  xlv. 
  (1882), 
  p. 
  202.— 
  

  

  Upper 
  Cretaceous 
  ; 
  Island 
  of 
  Lesina, 
  Dalmatia. 
  [Imperfect 
  

  

  trunk 
  ; 
  Court 
  Museum, 
  Vienna.] 
  

   Coelodus 
  muralti, 
  J. 
  J. 
  Heckel, 
  Bericht. 
  Mittheil. 
  Freund. 
  Naturw. 
  

  

  Wien, 
  vol. 
  iv. 
  (1848), 
  p. 
  184, 
  woodc, 
  and 
  loc. 
  cit. 
  vol. 
  xi. 
  

  

  PART 
  HI. 
  S 
  

  

  