Classification of the genus Norella
G. †Norella Bittner 1890
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†Norella guttula Bittner 1890
†Norella kellneri Bittner 1892
†Norella kingi Bittner 1899
†Norella refractifrons Bittner 1890
†Norella retractifrons Bittner 1890
†Rhynchonella (Norella) gortanii De Toni 1913
†Rhynchonella (Norella) manganophila Bittner 1902
†Rhynchonella (Norella) rosaliae Salomon 1895