Entity:

Concise hierarchy

Subsequent positions

Urneidophycidae (Subclass) Medlin (2016)

Ref: L.K. Medlin, 2016: 123.

Plagiogrammaceae (Family) De Toni (1890)

Ref: F.E. Round et al., 1990: 126.

Urneidophycidae (Subclass) Medlin (2016)

Ref: L.K. Medlin, 2016: 123. [new position]

*Urneidophycidae* (Subclass) Medlin (2016)	Ref: L.K. Medlin, 2016: 123. [new position]
*Plagiogrammaceae* (Family) De Toni (1890)	Ref: T. Koray, 2001: 13.
*Plagiogrammaceae* (Family) De Toni (1890)	Ref: F.E. Round et al., 1990: 591.
*Plagiogrammaceae* (Family) De Toni (1890)	Ref: F.E. Round et al., 1990: 126.

2024