主要参考文献 | Stehmann, M. and D.L. Bürkel, 1984 |
形态描述的性别 | |
Bones in OsteoBase |
特殊器官 | claspers (m) |
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 | flattened |
头部背面描绘 | |
眼的类型 | |
口/吻尖的类型 | |
口的位置 | sub-terminal/inferior |
Type of scales | placoid scales |
鉴别 |
Snout short and bluntly pointed; disc angular (Ref. 5578). Upper surface prickly only in young, nearly smooth in adults, underside smooth (Ref. 3167). Upper surface ochre to reddish-brown with scattered dark spots, underside white (Ref. 3167); two bright blue eyespots centered on the pectoral bases (Ref. 5578); may have a small dark spot on tip of snout (Ref. 2708). |
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) | present |
鳃耙 | |
在下肢上 | |
上枝鳃耙 | |
总数 | |
脊椎骨 | |
肛门前 | |
总数 |
属性 | |
鳍数 | 2 |
离鳍号码 | Dorsal 0 - 0 |
Ventral 0 - 0 | |
棘总数 | 0 - 0 |
软条总数 | |
脂鳍 | absent |
属性 |
鳍数 | |
棘总数 | 0 - 0 |
软条总数 | 0 - 0 |
胸鳍 | 属性 transformed to 'aerofoils' |
脊椎 0 | |
软条 | |
骨盘的 | 属性 more or less normal |
位置 abdominal before origin of D1 | |
脊椎 0 | |
软条 |