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1“... in Verticicosta n. gen. V. crassicostata n. comb. is small in profile and bears less axial ribs and spiral cords...”
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2“... in Verticicosta n. gen.. V. crassicostata n. comb. is small in profile and bears less axial ribs and spiral cords...”
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3“... in Verticicosta n. gen.. V. crassicostata n. comb. is small in profile and bears less axial ribs and spiral cords...”
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