Classification of the genus Wrangellium
G. †Wrangellium Pessagno, Jr. and Whalen 1982
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†Wrangellium depressum Baumgartner 1984
†Wrangellium izeense Yeh 1987
†Wrangellium okamurai Mizutani 1981
†Wrangellium oregonense Yeh 1987
†Wrangellium puga Schaaf 1981
†Wrangellium thurstonense Pessagno, Jr. and Whalen 1982