English Ankylosauridae Cited by user Bctronrud on 01 Jun 2016 The armored dinosaurs of Ankylosauridae (/,ænkaɪloʊsɔːrɪdaɪ/ or /,ænkaɪloʊsɔːrɪdi:/) are a family within Ankylosauria, and sister group to Nodosauridae.