Spatiotemporal evolution of Ediacaran-Cambrian (ca. 551–523 Ma) sponges in South China and their simulated contributions to marine oxygenation
The origin and evolution of sponges have attracted interest, not only because they are among the most basal metazoans, but also because they act as important ecological engineers in the ocean. Previous research suggested that sponge groups diversified quickly during the Cambrian Series 2, while Terreneuvian sponge fossils are conspicuously rare and poorly substantiated. Yet, an increasing number o