| Pseudoperna Temporal range:
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|---|---|
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| Order: | |
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| Genus: | Pseudoperna Logan, 1899
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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]
References
- ^ "Common Fossils of Kansas – Pearl Clams, Oysters, Scallops". Kansas Geological Survey. Retrieved 6 March 2012.
- ^ "Stratigraphy of the Greenhorn Limestone". Kansas Geological Survey. Retrieved 6 March 2012.
 | This article about a prehistoric bivalve is a stub. You can help Wikipedia by expanding it. |
| Pseudoperna Temporal range:
| |
|---|---|
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| Order: | |
| Family: | |
| Subfamily: | |
| Genus: | Pseudoperna Logan, 1899
|
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]
References
- ^ "Common Fossils of Kansas – Pearl Clams, Oysters, Scallops". Kansas Geological Survey. Retrieved 6 March 2012.
- ^ "Stratigraphy of the Greenhorn Limestone". Kansas Geological Survey. Retrieved 6 March 2012.
|
| This article about a prehistoric bivalve is a stub. You can help Wikipedia by expanding it. |