Pseudoperna

<i>Pseudoperna</i>

Pseudoperna

Extinct genus of bivalves

Pseudoperna is a genus of extinct very small oysters. Pseudoperna lived in tight groups. This small oyster is commonly found attached in groups to the shell of large species such as Inoceramus.[1] Pycnodonte and Pseudoperna are preserved mostly as calcitic valves and are also found attached to Mytiloides.[2]

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References

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  1. [1]
    "Common Fossils of Kansas โ€“ Pearl Clams, Oysters, Scallops". Kansas Geological Survey. Retrieved 6 March 2012.
  2. [2]
    "Stratigraphy of the Greenhorn Limestone". Kansas Geological Survey. Retrieved 6 March 2012.


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