Polygnathodella
Extinct genus of jawless fishes
From Wikipedia, the free encyclopedia
Polygnathodella is an extinct genus of conodont.
Glen K. Merrill stated in 1963 that "conodont workers have considered Idiognathoides to be a junior synonym of Polygnathodella but it now proves to be a junior synonym of Cavusgnathus. Polygnathodella and Cavusgnathus are shown to form a transitional series."[2]