共找到 3 筆符合的資料
with convex medial face and concave lateral face. Dorsal depression shallow, fan-shaped. Dorsal margin.....more
-shaped. Dorsal margin crenate, emarginated, lobed and ventral margin serrate, dentate. Sulcus ostial.....more
shallow, fan-shaped. Dorsal margin and ventral margin irregular, dentate, lobed. Sulcus ostial, deep.....more
