Eurypterus remipes Pteranodon which retain the same general

which retain the same general appearance and are distinguished by various specific details

It ate small mammals and carrion

It was tentatively identified as a possible Gastornis feather based on its size

Though Confuciusornis and its descendants all became extinct

Eurypterus remipes Pteranodon which retain the same generalEurypterius remipes Mid Silurian of New York Eurypterids, or water scoprions, were aquatic predators that thrived until the end of the Paleozoic Era for about 250 million years. Eurypterids primarily lived in brackish water in lagoons and estuaries, feeding on everything from mollusks to primitive fish. According to fossil trackways found in Australia, eurypterids could also spend time on land, and were likely the first animals to leave the water.