VERTEBRATA 95 



Caprotina ; Lithocardium, Conocardium, Corbicella, 

 Spkaera, Uiiicardium, Tancredia, Volupia ; Pleurophorus, 

 Myoconclia, Antliracosia, Megalodon, Pachydomus, 

 Pachyrisnia, Cleobis, Mseonia, Opis, Cardinia, Hippopo- 

 dium, Megaloma ; Grateloupia, Sowerbya, Quenstedtia, 

 Goniopliora, Eedonia ; Cercomya, Myacites, Goniomya, 

 Grammyria, Ceromya, Cardiomorpha, Edomondia, Ei- 

 beiria. 



Gasteropoda. — Belleroplion, Porcellia, Cyrtolites, Ecculiom- 

 phalus ; Eimella, Hippocrena, Alaria, Spinigera, Am- 

 berlya ; Leiostomus, Strepsidura, Purpurina, Columbel- 

 lina, Borsonia, Conorbis ; Euspira, ISTaticopsis, Globulus, 

 Deshayesia, Loxonema,Macrocliilus ; Diastema, Nerinrea, 

 Brachytrema, Ceritella, Vicarya, Scoliostoma, Proto, 

 Holopella, Catantostoma, Naticella ; Platyceras, Metop- 

 toma, Hypodeuia, Deslonchampsia ; Euomphalus, Ophi- 

 leta, Phanerotiuus, Serpularia, Discohelix, Platystoma, 

 Crossostonia, Pleurotomaria, Murchisouia, Polytremaria, 

 Cirrus, Trocliotoma, Platyschisrua, Scalites, Ehaphi- 

 stoma, Holopea, Maclurea ; Neritoma, Velates, Pileolus ; 

 Helminthocliiton ; Lychnus, Dendropupa, Eerussina ; 

 Cylindrites, Acteonina, Acteonella, Cinulia, Globiconcha, 

 Varigera, Tylostoma, Pterodonta, Volvaria, Cliilostoma ; 

 Vaginella, Theca, Pterotlieca, Couularia. 



Cephalopoda. — Aturia, Discites, Nautiloceras, Trigonoceras, 

 Tenmochilus, Lituites, Trocholites, Trochoceras, Cly- 

 menia; Orthoceras, Camaroceras, Huronia, Actinoceras, 

 Discosorus, Gonioceras, Tretoceras, Apioceras, Gomplio- 

 ceras, Phragmoceras, Cyrtoceras, Gyroceras, Ascoceras; 

 Goniatites, Bactrites, Ceratites, Ammonites, Crioceras, 

 Toxiceras, Ancyloceras, Scaphites, Helicoceras, Tur- 

 rilites, Hamites, Ptychoceras, Baculites ; Mastigophora, 

 Teudopsis, Beloteuthis, Geoteuthis, Leptoteutliis, Bel- 



