Animals of Devonian Michigan
Автор:
Jesse Russell,Ronald Cohn, 106 стр., издатель:
"Книга по Требованию", ISBN:
978-5-5148-9475-8
High Quality Content by WIKIPEDIA articles! Bryzoans (moss animals) are a type of marine fossil commonly found in Michigan. They are often found in conjunction with corals, crinoids, and brachiopods, being extremely common in many places. Bryzoans vary in size greatly, from the size of this o to several feet tall. In life they were filter feeders and competed with corals and crinoids for feeding space. Bryzoans came in three types: branching, encrusting, and fan-like bryzoans, and all are found in Michigan. By far the most common of these three types were branching bryzoans, which can be found by the hundreds at almost any Devonian marine site. These types are named for their slender, branch like shape and how they grow together in small forest-like groups. Encrusting bryzoans are also very common animals and are often found with brachiopods. Encrusting bryzoans get their name because they live on the shells and calcite skeletons of dead sea animals. When they attached themselves to...
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