The teeth from Maryland's Astrodon were cut open in 1858 & revealed this pattern, hence its name
SAUROPHAGANAX... [DOC] [TLE] Astrodon - Wikipedia [PAR] Astrodon (aster: star, odon: tooth) is a genus of large herbivorous sauropod 
dinosaur, related to Brachiosaurus, that lived in what is now the eastern United 
States during the Early Cretaceous period.