. Annual report. New York State Museum; Science; Science. Cryptonella ? ellsi bounded without by long cardinal ridges extending one half the length of the shell. The valves are subequally convex but the ventral valve is flattened toward the anterior margin. Width of valves to length as two to three. Lower Devonic. Grande Greve, P. 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
. Annual report. New York State Museum; Science; Science. Cryptonella ? ellsi bounded without by long cardinal ridges extending one half the length of the shell. The valves are subequally convex but the ventral valve is flattened toward the anterior margin. Width of valves to length as two to three. Lower Devonic. Grande Greve, P. 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
