TYPE SPECIMENS OF PALEOZOIC FOSSILS 



Cytherodon (Schizodus) o b 1 a t u s j^<? Schiz- 

 odus oblatus 



Cytherodon (Schizodus) pauper see Para- 

 cyclas ? paupera 



Cytherodon (Schizodus) quadrangularis 

 see Schizodus chemungensis var. quadrangularis 



Cytherodon (Schizodus) rhombeus see 

 Schizodus rhombeus 



Cytherodon tumid us see Schizodus tumidus 



Cytherodon (Schizodus) tumidus see 

 Schizodus tumidus 



cyrtodonta Billings 



Cyrtodonta obtusa Hall (sp.) 



2355 z^Q- plastotype Ambonychia obtusa Hall. Paleon 



tology of New York. 1847. 1 : 167, pi. 36, fig. 8a, 8b. 



Trenton limestone Watertown N. Y. 



Dystactella telliniformis see Clinopistha 

 telliniformis 



ECTENODESMA Hall 



Ectenodesma birostratum Hall 



2356 ?1 1 80 type Ectenodesma birostratum Hall. Paleon- 



tology of New York. 1883. v. 5, pt 1, plates and expla- 

 nations, pi. 23, fig. 29. 



Hall. Paleontology of New York. 1884. v. 5, pt 1, 

 pi. 23, fig. 29. 



Chemung beds Franklin, Delaware co. N. Y. 



Edward Orton, donor 



EDMONDiA de Koninck 



Edmondia burlingtonensis see Edmondia 

 subovata 



Edmondia burlingtonensis see Edmondia 

 transversa 



Edmondia obliqua Hall 



2357 9 \ 9 - type Edmondia philipi Hall. Paleontology of 



New York. 1883. v. 5, pt 1, plates and explanations, 

 pi. 64, fig. 15. 



Edmondia obliqua Hall. Paleontology of New 

 York. 1885. v. 5, pt 1, p. 388, pi. 64, fig. 15; pi. 95, fig. 6. 

 Chemung beds Belvidere, Allegany co. N. Y. 



R. P. Whitfield, coll. 1869 



