| 主要参考文献 | Compagno, L.J.V., D.A. Ebert and M.J. Smale, 1989 |
| 形态描述的性别 | |
| Bones in OsteoBase |
| 特殊器官 | |
| 不同的外表 | |
| 不同的颜色 | |
| 附注 |
| 显着的特徵 | |
| 侧面体型 | other |
| 横切面 | |
| 头部背面描绘 | |
| 眼的类型 | |
| 口/吻尖的类型 | |
| 口的位置 | |
| Type of scales | placoid scales |
| 鉴别 |
Large skate with a moderately long snout, small eyes, and a flat disc; tail about as long as body; small inconspicuous, light thorns on upper surface including snout (Ref. 5578). Medium grey to brownish dorsally, often with dark spots; white or mottled with dusky patches ventrally (Ref. 5578). |
| 鉴定难易度 |
| 侧线 | 打断: No |
| 侧联机的鳞片 | |
| 侧联机鳞片数 | |
| 侧生系列的鳞片 | |
| 侧联机的鳞片列 | |
| 侧线下的鳞片列 | |
| 尾梗周围的鳞片 | |
| 触须 | |
| 鳃裂 (仅限于鲨鱼/ 鱼) | |
| 鳃耙 | |
| 在下肢上 | |
| 上枝鳃耙 | |
| 总数 | |
| 脊椎骨 | |
| 肛门前 | |
| 总数 |
| 属性 | |
| 鳍数 | |
| 离鳍号码 | Dorsal |
| Ventral | |
| 棘总数 | |
| 软条总数 | |
| 脂鳍 |
| 属性 |
| 鳍数 | |
| 棘总数 | |
| 软条总数 |
| 胸鳍 | 属性 |
| 脊椎 | |
| 软条 | |
| 骨盘的 | 属性 |
| 位置 | |
| 脊椎 | |
| 软条 |