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" Surface marked by distinct concentric striae, which are sometimes raised in fascicles above the general surface of the shell, and bending gently back from the suture reach the spiral band, crossing which they bend forward more abruptly, making a gentle... "
Natural History of New York ...: pt.i-vi - Página 91
por New York (State). Natural History Survey - 1879
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Annual Report of the Regents of the University on ..., Volumen15,Partes1862-1863

New York State Museum - 1862
...thickened, and bounded by a well-marked callosity. SUKFACE marked by distinct concentric strise, which are raised in fascicles above the general surface of the...gently back from the suture, reach the spiral band, which is flattened and limited by moderately elevated revolving lines. The spiral band is slightly...
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Kentucky Fossil Shells: A Monograph of the Fossil Shells of the Silurian and ...

Kentucky Geological Survey, Henry Nettelroth - 1889 - 245 páginas
...well-marked callosity. Surface marked by distinct, concentric striae, which are sometimes raised into fascicles above the general surface of the shell,...moderately elevated revolving lines, and marked by the retrorsely curving striae, which are less prominent upon it and the adjacent parts than near the suture....
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Report, Volumen25

Indiana. Dept. of Geology and Natural Resources - 1901 - 8 páginas
...except toward the aperture. Aperture somewhat elongate; the columellar lip thickened and bounded by a marked callosity. "Surface marked by distinct concentric...forward more abruptly, making a gentle curve to the 45-Qeol. suture below. The spiral band at about three-fourths of the width of the volution below the...
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Annual Report, Tema 25

Indiana. Department of Geology and Natural Resources - 1901
...except toward the aperture. Aperture somewhat elongate; the columellar lip thickened and bounded by a marked callosity. "Surface marked by distinct concentric...forward more abruptly, making a gentle curve to the 45-GeoI. suture below. The spiral band at about three-fourths of the width of the volution below the...
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