476 MESOZOIC TIME. 



Forbes, Ammonites Martini D'Orb., Ancyloceras gigas D'Orb., Belemnites dilatatus 

 Blainv., Crioceras Duvalii ; Iguanodon, Pterosaurs, etc. 



II. Middle Cretaceous. — 1. Gault (Albian). — Cyathina Bowerbanhii E. & H., 

 Trochocyathus Fittoni, T. conulus E. & H., Trochosmilia sulcata E. & H., Hemiaster 

 Baihji Forbes, Pentacrinus Fittoni Austin; Inoceramus concentricus'Paik., I. sidcatus 

 Park., Rostellaria carinata Mant., Ammonites dentatus Sow., A. splendens Sow., A. 

 varicosus Sow., Belemnites minimus Lister, Hamites attenuatus Sow., //. rotundas Sow., 

 Ancyloceras spiniger D'Orb. In the lower part (Aptian or Speeton Clay), Belemnites 

 Brunswickensis, Ammonites nisus D'Orb., A venustus Phill., Plicatula placunea, Lam. 



2. Upper Green-sand (Cenomanian). — Siphonia pyriformis Goldf., Verticillites anas- 

 tomosans, Micrabacia coronula E. & H., Holaster subglobosus Ag., H. carinatus, Dia- 

 dema Bennett ice Forbes, Echinus granulosus Miinst., Cidaris vesiculosa Goldf. ; Rhyn- 

 chonella latissima Dav., Terebratella pectita D'Orb., Terebratula biplicata Defr., Area 

 carinata Sow., Exogyra columbri Goldf., E. lateralis Dubois, Gryphma vesiculosa Sow., 

 Ostrea frons Park., Pecten asper Lam., Pecten quinquecostatus, Inoceramus striatus 

 Mant., Trigonia dcedalea, Protocardium Hillanum, Caprina adversa, Ammonites auritus, 

 A. rostratus Sow., A. Rhotomagensis Brngt., A. varians, Sow.; Iguanodon, Teleosaurus, 

 Ichthyosauri, Pliosaurus, Pterodactyls ; birds mentioned above. 



III. Uppek Cretaceous. — 1. Lower part (Turonian). — Stephanophyllia Bowerbanhii 

 E. & H., Galerites conicus Desor, Holaster subglobosus Ag. ; Inoceramus mytiloides Mant., 

 /. Brongniarti Sow., Exogyra columba Goldf., Ostrea frons, Lima Hoperi Desh. Plica- 

 tula inflata Goldf., Trigonia scabra Lam., Ammonites complanatus, Brngt., A. peramplus 

 Mant., Baculites anceps, Belemnitella plena Sharpe, Hamites simplex D'Orb., Scaphites 

 ■equalis Sow., S. Geinitzii D'Orb., Turrilites costatus Lam.; Dulichosaurus, Icthyosaurus, 

 Hlesiosaurus, Polyptychodon, Pterodactylus Cuoieri Bowerbank. 



2. Upper part of Upper Cretaceous (Senonian). — Siphonia pyriformis, Choanites 

 Konigii, Mant., Ventriculites decurrens Smith, V. radiatus Mant., Crist ellana rotulata 

 D'Orb., Rotalina ornata Morris, Ananchytes ovatus Lam. ; Cardiaster granulosus Forbes, 

 Galerites albogalerus Lam., Marsupites ornatus Miller, Micraster Cor-anguinum Ag.; 

 Terebratula carnea Sow., Ostrea vesicularis Lam., Exogyra conica Sow., Inoceramus 

 Brongniarti Sow., /. Cuvien Sow., Hippurites organisans Desmoulins, Baculites a?iceps, 

 Nautilus Danicus Schlot., Turrilites polyplocus K., Belemnitella mucronata; Beryx 

 Eewesiensis Mant., Osmeroides Lewesiensis Ag., Mosasaur, etc. 



Species of Wide Geographical Distribution. 



The following species are reported from different continents (Bronn): — 



Ostrea larva, North America; Europe; India. Gryphma vesicularis, North America; 

 Europe; southwest Asia. Exogyra levigata Sow., Europe; Columbia, South America. 

 -Exogyra Boussingaultii D'Orb., Europe; Columbia, South America. Inoceramus Crispii 

 Mant., North America; Europe. Inoceramus latus Mant., North America; Europe. 

 Inoceramus mytiloides Mant., North America; Europe. Neithea Mortoni, North Amer- 

 ica; Europe; India; Peru, South America. Pecten circidaris Goldf., North America; 

 Europe; India; Peru, South America. Trigonia limbata D'Orb., North America; 

 Europe; India. Trigonia aliformis Sow., North America; Europe; southwest Asia; 

 Columbia, South America. Trigonia longa Ag., Europe; Columbia, South America. 

 Hippurites organisans, Europe; southwest Asia; Peru and Chili, South America. 

 Nerinmabisulcata D'Arch., North America (Texas); Europe. Baculites anceps, North 

 America; Europe; Chili, South America. Ammonites vespertinus Mort, North America; 

 Europe. 



The following Ammonites, according to D'Orbigny, are common to Europe and South 

 America: A. Bogotensis Forbes, A. Dumnsianus D'Orb., A. Didayanus D'Orb., A. 

 galeatus Buch., A. Vandechii D'Orb., A. Tethys D'Orb., A. prcslonga, A. simplus D'Orb., 

 besides others. The Echinoid Toxaster complmiatus Ag. & D. is said to have the same 

 Tange. 



The following table of species in the Earlier and Later Cretaceous of America, 



