. Annual report. New York State Museum; Science; Science. Platyceras paxiHifer nodosum Conrad and P. sub nodosum Hall, which usually appear in the form of nodate casts. In the Onondaga limestone fauna are P. dumosum, echi- natum, multispinosum, fornicatum but among them all is none of the type expressed in P. p a x i 11 i f e r . Lower Devonic. Grande Greve, P. Q. Platyceras guesnini nov. Shell of medium size, suberect, subsymmetrically coiled; apex deeply coiled in horizontal plane, rapid expansion beginning at one and one half volutions, body whorl irregularly expanded, sub- circular in cros

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. Annual report. New York State Museum; Science; Science. Platyceras paxiHifer nodosum Conrad and P. sub nodosum Hall, which usually appear in the form of nodate casts. In the Onondaga limestone fauna are P. dumosum, echi- natum, multispinosum, fornicatum but among them all is none of the type expressed in P. p a x i 11 i f e r . Lower Devonic. Grande Greve, P. Q. Platyceras guesnini nov. Shell of medium size, suberect, subsymmetrically coiled; apex deeply coiled in horizontal plane, rapid expansion beginning at one and one half volutions, body whorl irregularly expanded, sub- circular in cross-section, direct and unattached for one half its. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York State Museum. Albany : University of the State of New York

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902