共找到 4 筆符合的資料
and cauda elongate, straight, slightly flexed ventrally at posterior tip. Colliculum low. Crista superior.....more
. Colliculum low. Crista superior and crista inferior well-developed, both absent at posterior end. Neck.....more
. Colliculum low. Crista superior and crista inferior well-developed, both absent at posterior end.....more
flexed ventrally at posterior tip. Colliculum low. Crista superior ridge-like, very thick and crista.....more