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meaning: "Scaly Stomach"
Named By: T.H. Huxley in 1862
Time Period: Visean to Serpukhovian 345.3-318.1 Ma
Location: Scotland
Size: 1 meter long
Diet: unavailable
Fossil(s): 2 fossil remains
Classification: | Chordata | Amphibia | Labyrinthodontia | Temnospondyli | Colosteidae |

Pholidogaster ('scaly stomach') is an extinct genus of tetrapod that lived during the Middle Carboniferous period (late Visean to early Serpukhovian). Pholidogaster is known from only two specimens found in Gilmerton, Scotland. Historically it was one of the first to show science the evolutionary link between fish and amphibians.

This animal had a very long and slender body, with small and feeble limbs. The shoulder structure is further back than is usual. Belly scales are present (hence its name), suggesting that in life it did not just swim, but scrawled over hard surfaces as well. The structure of the jaw is not clear, since the jaw bones on both specimens are not well preserved. However, there are large fangs in the front of the mouth, presumably used in hunting. It was a small to medium-sized animal around 1 m in length.

Read more about Pholidogaster at Wikipedia
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