anomalopteryx vs Anomalopteryx oweni

anomalopteryx and Anomalopteryx oweni both are nouns.

Word	Noun	Adjective	Verb	Adverb
anomalopteryx	Yes	No	No	No
Anomalopteryx oweni	Yes	No	No	No

As nouns, anomalopteryx and Anomalopteryx oweni are synonyms defined as:

anomalopteryx and Anomalopteryx oweni: the smallest moa; slender moa about the size of a large turkey

anomalopteryx (noun)	Anomalopteryx oweni (noun)
the smallest moa; slender moa about the size of a large turkey	the smallest moa; slender moa about the size of a large turkey