''Homotrypa'' 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 from the Ordovician and Silurian periods, known from fossils found in the United States. Its colonies are branch-like and have small monticules made of groups of three or four larger zooecia slightly protruding out from the main surface of the colony. In cross section, the zooecia (tubes housing individual zooids) are erect in axis and gently curve toward the surface of the colony.
Species
*''Homotrypa curvata''
(Ulrich, 1882)
*''Homotrypa niagarensis''
(Ernst, Brett and Wilson, 2019)
*''Homotrypa anticostiensis''
(Bassler, 1928)
*''Homotrypa ramulosa''
(Bassler, 1903)
References
Trepostomata
Animals described in 1882
Prehistoric bryozoan genera
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