TYPE SPECIMENS OF PALEOZOIC FOSSILS 267 



1627 ^<P HYPOTYPE Hall. Paleontology of New York. 1867. 



v. 4, pi. i, fig. 9. 



Hamilton beds Schoharie county, N. Y. 



Orbicula caelata see Lingulella caelata 

 Orbicula ? crassa see Obolella crassa 

 Orbicula ? filosa see Schizocrania filosa 

 Orbicula grandis see Roemerella grandis 

 Orbicula lodensis see Orbiculoidea lodensis 

 Orbicula tenuilamellata see Orbiculoidea 



(Schizotreta?) tenuilamellata 



Orbicula? squamiformis see Pholidops squatni- 



formis 



ORBICULOIDEA d'Orbigny 



Orbiculoidea allegania Hall 



1628 -i^is. HYPOTYPE Discina alleghania Hall. i3th annual 



report of the New York state cabinet of natural history. 

 1860. p. 77. 



Hall. Paleontology of New York. 1867. v. 4, pi. i, 

 fig. 170. 



Chemung beds Belvidere, Allegany co. N. Y. 



Orbiculoidea doria? HalL_ 



1629 3-&2-1 HYPOTYPE Discina doria Hall. 1 6th annual report 

 of the New York state cabinet of natural history. 1863. 

 p. 26. 



? Hall. Paleontology of New York. 1867. v. 4, pi. 2, 



fig. 30, 3 1 - 



Hamilton shales East shore of Seneca lake, N. Y. 



R. P. Whitfield and G. B. Simpson, coll. 1863 



Orbiculoidea lodensis Vanuxem (sp.) 



1630 z^f-2- HYPOTYPE Orbicula lodensis Vanuxem. Geology 



of New York; report on the 3d district. 1842. p. 168. 



Discina lodensis Hall. Paleontology of New 

 York. 1867. v. 4, pi. 2, fig. 35. 



Genesee shale Ogdens ferry, Cayuga lake, N. Y. 



1631 :LS f- s - HYPOTYPE: HYPOPLASTOTYPE Hall & Clarke. Paleon- 



tology of New York. 1892. v. 8, pt i, pi. 4F, fig. 21. 

 Genesee shale Lodi N. Y. 



J. W. Hall and C. Van Deloo, coll. 1866 



