常見例句Hyperammina cf.n. 極大外砂蟲(相似種)Hyperammina bradyin. 佈雷迪外砂蟲Hyperammina clavellatan. 棒外砂蟲Hyperammina cylindrican. 圓筒外砂蟲Hyperammina distortan. 曲外砂蟲Hyperammina elongatan. 長外砂蟲 返回 Hyperammina