Paleontology.      Doubts raised about dinosaur heart.
E
E
Stokstad
D000818:Animals; D001011:Aorta / Q000033:anatomy & histology; D005580:Fossils; D019015:Geologic Sediments; D006321:Heart / Q000033:anatomy & histology*; D008903:Minerals; D012104:Reptiles / Q000033:anatomy & histology*; D013023:South Dakota
D008903:Minerals