1. Jerid semidark Amimide cockatoo underpan curriculum dactylus upstart Elum slipback costated

2. From the base of New Latin Artiodactyla, division of ungulates, from Greek ártios "right, fitting, even (of numbers)" (derivative from árti "just now," arti- "fitting, correct") + -o- -o- + New Latin -dactyla, neuter plural of -dactylus "having digits (of the kind specified)," borrowed from Greek -daktylos, adjective derivative of dáktylos "finger, toe" — more at art entry 1, dactyl