Anomalopteryx oweni vs anomalopteryx

Anomalopteryx oweni and anomalopteryx both are nouns.

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

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

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

Anomalopteryx oweni (noun)	anomalopteryx (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