(pronounced NODE-oh-SAWR-ids) Nodosaurids were one division of the ankylosaurs , a group of armored, plant-eating, ornithischian dinosaurs with spikes running along the sides of their bodies, no tail clubs and pear-shaped heads. Acanthopholis , Hylaeosaurus , Minmi, Nodosaurus, Panoplosaurus , and Sauropelta were nodosaurids.