BRITISH FOSSIL VERTEBRATA. xxxiii 



CAMBRIDGE GREENSAND. 



PISCES. — Corax, Edaphodon, HybDdus, Ischyodus, Lamna, Notidanus, 

 Oxyrhina, Plethodus, Scapanorhynchus. 



Reptilia. — Acanthopholis, Anoplosaurus, Cetarthrosaurus, Chelone, 

 Cimoliosaurus, Eucercosaurus. Ichthyosaurus, (?) Lytoloma, Ma- 

 crurosaurus, (?) Ophthalmosaurus, Ornithocheirus, Ornithostoma, 

 Patricosaurus, Polyptychodon, Priodontognathus, Protemys, Pro- 

 tostega, Rhinochelys, Syngonosaurus, Trachodon. 



Aves. — Enaliornis. 



GAULT AND UPPER GREENSAND. 



PISCES. — Acrodus, Cestracion, Ccelodus, Corax, Edaphodon, Eury- 

 poma, Ischyodus, Lamna, Notidanus, Oxyrhina, Pachyrhizodus, 

 Plethodus, Portheus, Scapanorhynchus, Squatina, Synechodus, 

 Thrissopater. 



Reptilia. — Cimoliosaurus, Hylaeochelys, Ichthyosaurus, Ornitho- 

 cheirus, Polyptychodon, Rhinochelys. 



CHALK. 



PlSCES. — (?) Acrodus, Acrognathus, Ancistrodon, Aulolepis, Belono- 

 stomus, Berycopsis, Beryx, Calamopleurus, Cantioscyllium, Ces- 

 tracion, Cimolichthys, Cladocyclus, Ccelodus, Ccelorhynchus, 

 Corax, Dercetis, Edaphodon, Elasmodectes, Enchodus, Gom- 

 phodus, Gyrodus, Homonotus, Hoplopteryx, Ichthyodectes, 

 Lamna, Lophiostomus, Macropoma, Microdon, Neorhombolepis, 

 Notidanus, Osmeroides, Oxyrhina, Pachyrhizodus, Pholidurus, 

 (?) Platax, Plethodus, Plinthophorus, Pomognathus, Portheus, 

 Prionolepis, Protosphyraena, Ptychodus, Saurocephalus, Scapano- 

 rhynchus, Scyllium, Squatina, Stenostoma, Stratodus, Synechodus, 

 Tomognathus, Xenodolamia. 



Reptilia. — Acanthopholis, Chelone, Cimoliochelys, Cimoliosaurus, 

 Coniasaurus, Dolichosaurus, Ichthyosaurus, Leiodon, Lytoloma, 

 Mosasaurus, Ornithocheirus, (?) Platecarpus, Polyptychodon, Pro- 

 tostega, Saurospondylus. 



EOCENE. 



PlSCES. — Acanthias, Acipenser, Aetobatis, Arius, Bucklandium, 

 Carcharias, Carcharodon, Cestracion, Ccelorhynchus, Cybium, 

 Dictyodus, Diplomystus, Edaphodon, Egertonia, Elasmodus, 

 Galeocerdo, Galeus, Lamna, Lepidosteus, Megalops, Myliobatis, 

 Myripristis, Notidanus, Odontaspis, Phyllodus, Pisodus, Platy- 

 laemus, Pristis, Psaliodus, Pycnodus, Rhinoptera, Scisenurus, 

 Squatina, Teratichthys, Tetrapturus. 



Reptilia. — Anosteira, Argillochelys, Chrysemys, Crocodilus, Daco- 

 chelys, Diplocynodon, (?) Emys, Eosphargis, (?) Gavialis, Iguana, 

 (?) Lacerta, Lytoloma, Ocadia, Palaeophis, Paleryx, Placosaurus, 

 Podocnemis, Psephophorus, Pseudotrionyx, Thalassochelys, 

 Trachyaspis, Trionyx. 



Aves. — Argillornis, Dasornis, Gastornis, Halcyornis, Lithornis, 

 Macrornis, Odontopteryx, Ptenornis. 



