Cutleriales Bessey Tilopteridales is an order of brown algae (class Phaeophyceae).

[3] This order contains algae with different types of alternation of generation.

For instance, Saccorhiza polyschides has a sporophyte with a kelp-like morphology while the gametophyte is filamentous, Cutleria multifida has a more complex dichotomously branching gametophyte and a crustose sporophyte, Zanardinia typus has an isomorphic alternation of generations, and Tilopteris mertensii only has a diploid phase.

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