euronithopod vs animal order

euronithopod and animal order both are nouns.

Word	Noun	Adjective	Verb	Adverb
euronithopod	Yes	No	No	No
animal order	Yes	No	No	No

As nouns, animal order is a hypernym of euronithopod; that is, animal order is a word with a broader meaning than euronithopod:

euronithopod: widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon)
animal order: the order of animals

euronithopod (noun)	animal order (noun)
widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon)	the order of animals