祖龍
Rutiodon ("Wrinkle tooth") is an extinct genus of archosaur belonging to the family Phytosauridae. It lived during the Late Triassic period, and was about 10 to 25 feet (3 to 8 meters) in length. 狂齒鱷（也稱“皺齒”），是一個(gè)史前已滅絕的物種。它生活在晚三疊世時(shí)期，大約10到25英尺（3至8米）長。
