polacanthid

plural polacanthids

1. biologyAny ankylosaurian of the nodosaurid or ankylosaurid subfamily Polacanthinae.

   Polacanthid nodosaurs from the Upper Jurassic and Lower Cretaceous of the east-central Colorado Plateau

   1993, J. I. Kirkland, “Polacanthid nodosaurs from the Upper Jurassic and Lower Cretaceous of the east-central Colorado Plateau”, in Journal of Vertebrate Paleontology, volume 13, title, page 44A

   2 more examples

   There were no large lateral spikes that are present in nodosaurids and polacanthids hut it did share fused half-rings of neck armour with polacanthids.

   2008, Adam Yates, Guide to Wild Dinosaurs, page 121

   For example, premaxillary teeth are present in the primitive polacanthid Gargoyleosaurus, the primitive nodosaurid Silvisaurus, and the primitive ankylosaurid Cedarpelta.

   2012, Michael K. Brett-Surman, The Complete Dinosaur, page 510