Homotrypa Explained

Homotrypa is an extinct genus of bryozoans 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.[1] [2] In cross section, the zooecia (tubes housing individual zooids) are erect in axis and gently curve toward the surface of the colony.[3]

Species

Notes and References

  1. Loeblich. Alfred R.. July 1942. Bryozoa from the Ordovician Bromide Formation, Oklahoma. Journal of Paleontology. 16. 4. 420–422.
  2. Book: Nickles . John M. Bassler . Ray Smith. A synopsis of American fossil Bryozoa, including bibliography and synonymy. 1900. Department of the Interior, United States Geological Survey. 29.
  3. Bork . Kennard B. . Perry . T.G. . Bryozoa (Ectoprocta) of Champlainian Age (Middle Ordovician) from Northwestern Illinois and Adjacent Parts of Iowa and Wisconsin. Part III. Homotrypa, Orbignyella, Prasopora, Monticulipora, and Cyphotrypa . Journal of Paleontology . 1968 . 42 . 4 . 1042–1065.
  4. Ernst . Andrej . Brett . Carlton E. . Wilson . Mark A. . Bryozoan fauna from the Reynales Formation (lower Silurian, Aeronian) of New York, USA . Journal of Paleontology . 2019 . 93 . 4 . 628–657. 10.1017/jpa.2018.101 . 2019JPal...93..628E . 135188343 .

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