OF THE PARIS BASIX. 



59 



Genus. 



Lepidosteus 

 Carcharodon 



Ccelorhynchns 

 C/irysophrys 

 Galcocerdo (?) 

 Lepidosteus 

 Phvllodits 



Argus 



Scants 



Lamiia 



Otodus 



Oxyrhina 



Notidamis 



Odontaspis 



Sqiiatina 

 Raia 



Myliobatis 



PJe>nirhynchiis 



Pristis 



Carcliai-odon 



Acayitlmrtts 



Zanclus 



Labi'ax 



Formation. 

 Meudon Conglomeate. 

 Sands of Soissonnais. 



Pisces. — Fish remains are plentifully distributed throughout 

 the Eocene beds, and some of the most important species may be 

 enumerated : — 



species, 

 siiessioniensis, Gerv. 

 anrtcutatus, Blain. 

 /eptodoH, Agass. 

 su/cidens, ,, 

 reetuiit, ,, 



mitra, „ 



viiiior, ,, 



Maximiliani, Agass. 

 margitia/is, ,, 

 Duvali, Pomel 

 iticonstatis , ,, 

 latideris, ,, 

 Levesqjtei, ,. 

 serratits, Gervais 

 tctrodon, Pomel 

 macrota (Agass.) 

 ofi/iquHS, Agass. 

 /lastaljSy „ 

 primigeniiis^ Agass. 

 aciitissinia, ,, 

 contortidens, ,, 

 elegaits, ,, 



Gravesiy Pomel 

 eclnnata, ,, 

 acutus, Agass. 

 canaliculatus, Agass. 

 toliapicus, „ 



Desliayesi, „ 



parisiettsis, Gerv. 

 auriculatus, Blain. 

 Duvali, Agass. 

 eoccenus, Gerv. 

 major, Agass. 



Isolated teeth, vertebrae, and other remains are met with in the 

 Meudon conglomerate, Lignites, Sables Moyens (Auvers), St. 

 Ouen limestone ; and very rarely in the Gypsum. Consult for 

 details, Agassiz, Peek, sur les Poiss. Foss, and P. Gervais, Zool. 

 et Palcont. francaises. 



MOLLUSCA. 



Cephalopoda., Pteropoda, Gastropoda, Scaphopoda and Pelccypoda 

 {=Lainellibrajichiata) are all represented. A revised list of these, 

 with notes on the nomenclature, is appended (p. 64). 

 Arthropoda. 



Crustacea. — Claws of Crustacea, Callianassa, &c., are met with 

 in the Gypsum, and remains are also found in the marls of the 

 Oligocene beds. In the Sables Moyens several species occur, e.g. 



Psammocarcinus Hericarti, Desm. 

 Callianassa macrodactyla, Edw. 

 Pagiirus arenarius, Edw. 

 Psammograpsus parisiensis, Edw. &c. 



Bahifius also occurs in the Sands of Fontainebleau. 



Calcaire Gro3 



