artiodactyl vs Artiodactyla

artiodactyl and Artiodactyla both are nouns.

Word	Noun	Adjective	Verb	Adverb
artiodactyl	Yes	Yes	No	No
Artiodactyla	Yes	No	No	No

artiodactyl (noun)	Artiodactyla (noun)
placental mammal having hooves with an even number of functional toes on each foot	an order of hooved mammals of the subclass Eutheria (including pigs and peccaries and hippopotami and members of the suborder Ruminantia) having an even number of functional toes

artiodactyl (adjective)	Artiodactyla (adjective)
of or relating to or belonging to mammals of the order Artiodactyla