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Pterygiosauroidea (Disgustedorite, 2019) or finned theropods are fictional theropods with fins or fin-like frills and skin flaps, especially on their faces, limbs, and tail.

The following are within this clade:

  • Latroidae (scaly, lightly armored theropods with skin flaps on their arms and tails used for thermoregulation or photosynthesis)
  • Polylopimidae (theropods with distinctively finned faces)
  • Yapnepidae (long-legged finned theropods with hornlets on their faces)

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