Ptychosphenodon is an extinct genus of prehistoric amphibian.[1]
| Ptychosphenodon | |
|---|---|
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| Genus: | Ptychosphenodon
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| Species: | P. browni
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See also edit
References edit
- ^ Science Progress in the Twentieth Century. John Murray. 1908. p. 521.
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