NEW YORK STATE MUSEUM 



Tetragraptus amii, 6042-44 

 Tetragraptus clarkei, 6045-49 

 Tetragraptus fruticosus, 6050-62 

 Tetragraptus (Etagraptus) lentus, 



6063, 6064 

 Tetragraptus pendens, 6065-69 

 Tetragraptus pygmaeus, 6070-73 

 Tetragraptus quadribrachiatus, 6074- 



78 



Tetragraptus serra, 6079-81 

 Tetragraptus similis, 6082-93 

 Tetragraptus taraxacum, 6094-102 

 Tetragraptus woodi, 6103-5 

 Trigonograptus ensiformis, 6106-14 



Cephalopoda 

 Cameroceras (Proterocameroceras) 



brainerdi, 6159-70 

 Piloceras explanator, 6171-74 



CHAZY LIMESTONE 



Echinodermata 



Malocystites emmonsi, 6129-31 



Brachiopoda 

 Schizambon duplicimuratus, 6146, 

 6147 



Syntrophia multicosta, 6148-51 



Lamellibranchiata 



Cyrtodonta? lamellosa, 6152 

 Modiolopsis subquadrilateralis, 6153 



Gastropoda 



Eunema epitome, 6156 

 Eunema historicum, 6157 

 Holopea microclathrata, 6158 



Crustacea 

 Cheirurus mars, 6175 



LOWER DEVONIC 



ORISKANIAN 



Lamellibranchiata 



Nuculites barretti, 6154, 6155 



MIDDLE DEVONIC 



ONONDAGA LIMESTONE 

 Echinodermata 



Dolatocrinus speciosus, 6128 



HAMILTON BEDS 



Echinodermata 



Dolatocrinus glyptus var. interme- 

 dins, 6126 

 Dolatocrinus liratus var. multilira- 



tus, 6127 



Lamellibranchiata 



Buchiola halli, 5024 



LOWER CARBONIC 



WAVERLY BEDS 



Echinodermata 



Actinocrinus daphne, 61 15 

 Amphoracrinus viminalis ,6116, 6117 

 Aorocrinus eris, 61 18 

 Aorocrinus helice/6119, 6120 

 Decadocrinus aegina, 6121, 6122 

 Decadocrinus lyriope, 6123 

 Decadocrinus pleias, 6124 

 Decadocrinus subtortuosus, 6125 

 Pachylocrinus merope, 6132 

 Pachylocrinus paternus, 6133 

 Platycrinus contritus, 6134 

 Platycrinus graphicus, 6135 

 Platycrinus richfieldensis, 6136 

 Scaphiocrinus crineus, 6137 

 Scaphiocrinus corycia, 6138 

 Scaphiocrinus subcarinatus, 6139, 

 6140 



Taxocrinus communis, 6141-43 

 Taxocrinus kelloggi, 6144 

 Taxocrinus tardus, 6145 



