Cordaitaceae iyali ne na gurɓatattun gymnosperms ( tsire-tsire masu ɗauke da iri ) waɗanda suka yaɗu a zamanin Paleozoic. Iyalin suna da manyan ganyaye masu kama da madauri, waɗanda suka girma cikin tsari mai ɗimbin yawa a kusa da tushe. An san Cordaitaceae daga burbushin halittu tun daga Devonian zuwa zamanin Permian, kuma sun kasance muhimman abubuwan da suka shafi halittun Paleozoic da yawa.