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 Bower-banh'i E. & H., 

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

 Baihji Forbes, Pentacrinus Fittoni Austin; Inoceramus concentricusFaTk., I. stdcatus 

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

 varicosus Sow., Belemnites minimus Lister, Samites attenuatus Sow., H. rotundas Sow., 

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

 Brunswichensis, 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 Bennettia; Forbes, Echinus granulosus Miinst., Cidaris vesiculosa Goldf. ; Rhyn- 

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

 carinata Sow., Exogyra columb% Goldf., E. lateralis Dubois, Gryphcea vesiculosa Sow., 

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

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

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

 Ichthyosauri, Pliosaurus, Pterodactyls ; birds mentioned above. 



III. Upper 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, Samites simplex D'Orb., Scaphites 

 equalis Sow.. S. Gc.initzii D'Orb., Turrilites costatus Lam.; Dolichosaurus, Icthyosaurus, 

 Plesiosaurus, Polyj)tychodon, Pterodactylus Cuvieri Bowerbank. 



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

 Konigii, Mant., Ventriculites decurrens Smith, V. radiatus Mant., Cristellaria rotulata 

 D'Orb., Botalina ornata Morris, Ananc'nytes ovalus~La.m.; Cai'diaster gramdosus Forbes, 

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

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

 Brongniarti Sow., /. Cuvieri Sow., Hippurites organisans Desmoulins, Baculites anceps, 

 Nautilus Danicus Schlot., Turrilites polyplocus R-, Belemnitella mucronata; Beryx 

 Lewesiensis 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. Gryphaia vesicularis, North America; 

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

 Exogyra Boussingauliu 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 Ilortoni, North Amer- 

 ica; Europe; India; Peru, South America. Pecten circularis 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. 

 Nerinmabisidcata 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. prcelonga, A. simplus D'Orb., 

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

 range. 



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



