NEW YORK STATE MUSEUM 



Pterinopecten crenicostatus Hall 



357 -r- TYPE Pterinopecten crenulatus Hall. Pale- 

 ontology of New York. 1883. v. 5, pt i, plates and 

 explanations, pi. 8, fig. 3. 



Pterinopecten crenicostatus Hall. Paleon- 

 tology of New York. 1884. v. 5, pt i, p. 78, pi. 8, fig. 3. 

 Chemung beds Conewango, Cattaraugus co. N. Y. 



C. Van Deloo, coll. 1863 



3058 ag-L TYPE Hall. Paleontology of New York. 1883. v. 5, 



pt i, plates and explanations, pi. 8, fig. 4. 



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

 pi. 8, fig. 4; pi. 82, fig. 14. 



Chemung beds Angelica N. Y. 



R. P. Whitfield, coll. 1869 



Pterinopecten crenulatus see Pterinopecten 

 crenicostatus 



Pterinopecten dispandus Hall 



3059 &Lf-i TYPE Pterinopecten dispandus Hall. Paleon- 



tology of New York. 1884. v. 5, pt i, p. 76, pi. 82, 

 fig. ii. 



Chemung beds Mansfield, Tioga co. Pa. 



A. Sherwood, coll. 1871 



3060 -24P- TYPE Hall. Paleontology of New York. 1884. v. 5,pti, 



pi. 82, fig. 12. 



Chemung beds Mansfield Pa. 



A. Sherwood, coll. 1871 



Pterinopecten exfoliatus Hall 



3061 sjfA TYPE Pterinopecten exfoliatus Hall. Paleon- 



tology of New York. - 1883. v. 5, pt i, plates and explan- 

 ations, pi. i, fig. 1 6. 



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

 pt i, pi. i, fig. 16. 



Marcellus shale Littleville near West Avon, 



Livingston co. N. Y. 

 C. A. White and C. Van Deloo, coll. 1860 



3062 ^P TYPE Hall. Paleontology of New York. 1884. v. 5,pti, 



pi. 83, fig. 7. 



Stafford (Marcellus) limestone Genesee county, N. Y. 



