Pseudoperna Explained

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]

Further reading

• H. E. Vokes. 1980. Genera of the Bivalvia: a systematic and bibliographic Catalogue. Genera of the Bivalvia: a systematic and bibliographic Catalogue

Notes and References

1. Web site: Common Fossils of Kansas – Pearl Clams, Oysters, Scallops . Kansas Geological Survey . 6 March 2012.
2. Web site: Stratigraphy of the Greenhorn Limestone . Kansas Geological Survey . 6 March 2012.