The Echinoid Directory

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Sanchezella sanchezi (Lambert, 1926); Upper Eocene, Loma Calisto, Camaguey, Cuba. NHM E41817. Oral plating, from J. W. Durham 1955. Classification of clypeasteroid echinoids. University of California Publications in Geological Sciences 31(4), 73-198; text-fig. 28b.