Goedertius is an extinct genus of river dolphin from the early Miocene (Burdigalian) Nye Formation of Oregon. Description Goedertius is distinguished from other allodelphinids by a depression on the posterior part of the rostrum, smaller nasal bones, wider dorsal opening of mesorostral canal on posterior part of rostrum, and dorsal exposures of frontals at cranial vertex smaller. References Fossil taxa described in 2016 Miocene cetaceans Extinct mammals of North America River dolphins