psittacosaurid
/ˌsɪtəkəˈsɔːrɪd/Palaeontology
noun
A dinosaur of the family Psittacosauridae, typified by the genus Psittacosaurus.
adjective
Of, relating to, or characteristic of the family Psittacosauridae.
Origin
1970s; earliest use found in Nature: a weekly journal of science. From Psittacosaurus + -id, after scientific Latin Psittacosauridae, family name.