Recently some Brachiopoda, coral, gastropoda, phytolite is identified by Nanjing Institute of Geology and Palaeontology China Academy of Sciences.The age belongs to Late Carboniferous epoch.
One hundred million years later, the warm, shallow seas were packed with tiny plants and animals — essentially, hors d'oeuvres for a plethora of bigger creatures like trilobites, conodonts, brachiopods, and corals.
Scientists began to realize that this pattern of change was also replicated in other small, specialized marine creatures of the Silurian, like the eel-like conodonts and clam-like brachiopods.