Eorhincodon
Eorhincodon is an extinct genus of whale shark from the Late Eocene of Xinjiang, China. The species E. casei, from Late Cretaceous Russian marine strata, was transferred to the genus Pseudomegachasma in 2015. With the removal of E. casei, Eorhincodon only contains the type species, E. tianshanensis from Xinjiang, China.