A TABLE 



Shoiving the StratigrapJiical Distribution of the Geneva oj 

 British Fossil Vertebrata. 



[In this table some minor horizons have been separately entered on 

 account of the special character of their Vertebrate Fauna. A 

 few generic names are placed in square brackets in lists from beds 

 from which they are not recorded in the Catalogue ; most of these 

 occurrences being hitherto unpublished.] 



UPPER SILURIAN. 

 PISCES. — Auchenaspis, Cephalaspis, Cyathaspis, Eukeraspis, Onchus, 

 Scaphaspis, Sphagodus, Thelodus. 



LOWER OLD RED SANDSTONE (PASSAGE BEDS). 

 PISCES. — Auchenaspis, Cephalaspis, Onchus. 



LOWER OLD RED SANDSTONE. 

 PISCES. — Acanthodes, Byssacanthus, Cephalaspis, Cephalopterus, 

 Cheiracanthus, Cheirolepis, Climatius, Coccosteus, (?) Cyathaspis, 

 Didymaspis, Diplacanthus, Diplopterus, Dipterus, Glyptolepis, 

 Gyroptychius, Holaspis, Homosteus, Ischnacanthus, Kallostrakon, 

 Microbrachius, Onchus, Onychodus,Osteolepis, Parexus, Pteraspis, 

 Pterichthys, Scaphaspis, Thursius, Tristicopterus. 



UPPER OLD RED SANDSTONE. 

 PISCES. — Actinolepis, Asterolepis, Bothriolepis, Conchodus, Cosma- 

 canthus, Cricodus, Oendrodus, Glyptolasmus, Glyptopomus, Holo- 

 ptychius, Phaneropleuron, Phyllolepis. 



DEVONIAN. 

 PISCES. — Phyllolepis, Steganodictyum. 



LOWER CARBONIFEROUS. 

 PISCES. — Acanthodes, Acondylacanthus, Acrolepis, Aganacanthus, 

 Archichthys, Asteroptychius, Callopristodus, Canobius, Chalaza- 

 canthus, Cheirodopsis, Cheirodus, Chomatodus, Chondrenchelys, 

 Cladodus, Cochliodus, Ccelacanthus, Colonodus, Copodus, Cosma- 

 canthus, Cosmoptychius, Cryphiolepis, Ctenacanthus, Ctenodus, 

 Ctenoptychius, Cycloptychius, Cynopodius, Cyrtonodus, Deltodus, 

 Deltoptychius, Dicentrodus, Diclitodus, Dicrenodus, Diplacodus, 

 Diplodus, Dipriacanthus, Echinodus, Elonichthys, Erismacanthus, 

 Euctenius, Eurynotus, Fissodus, Ganopristodus, Glossodus, Glypha- 

 nodus, Gnathacanthus, Gomphacanthus, Gonatodus, Gyracanthus, 

 Harpacanthus, Helodus, Holurus, Homacanthus, Isodus, Janassa, 

 Lispacanthus, Megalichthys, Mesolophodus, Nematoptychius, Ora- 

 canthus, Orodus, Osteoplax, Petalodus, Petalorhynchus, Petrodus, 

 Phanerosteon, Physonemus, Platysomus,Pleuracanthus,Pleuroplax, 

 Pcecilodus, Polyrhizodus, Pristodus, Psammodus Psammosteus, 



