You searched for: “acanthopterous
acanthopterous (adjective) (not comparable)
In zoology, regarding a spiny-winged animal: The flightless and small-winged cassowary, a native bird to Australia and New Guinea, is considered to be acanthopterous with stiff, keratinous quill feathers on its wings, which are like porcupine quills. It has a bony crest on its head, and can be quite dangerous.