''Hemitrypa'' is an extinct genus of

bryozoa Bryozoa (also known as the Polyzoa, Ectoprocta or commonly as moss animals) are a phylum of simple, aquatic invertebrate animals, nearly all living in sedentary colonies. Typically about long, they have a special feeding structure called a l ...

ns that lived from the Devonian to the Permian period, belonging to the family Fenestellidae. Like some other fenestrate bryozoans, it produced a skeletal superstructure to protect the colony.

References

Prehistoric bryozoan genera Stenolaemata {{Bryozoan-stub