| Questionably Type of | : | Diphyllatea (Class) Cavalier-Smith, 2003 | |
Ref: T. Cavalier-Smith, 2003: 1755 ("The class name is not directly based on the generic name, as Diphylleia Michx. is unfortunately also the name of a flowering plant."). [new] |
| Type of | : | Diphylleida (Order) Cavalier-Smith, 1993 | |
Ref: T. Cavalier-Smith, 1993a: 613. [new] [inferred] |
| Type, by monotypy | : | Diphylleia rotans J. Massart, 1920 | |
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