| 主要參考文獻 | Morozov, T.B. and A.V. Adrianov, 2002 |
| 形態描述的性別 |
| 特殊器官 | |
| 不同的外表 | |
| 不同的顏色 | |
| 附註 |
| 顯著的特徵 | |
| 側面體型 | |
| 橫切面 | |
| 頭部背面描繪 | |
| 眼的類型 | |
| 口/吻尖的類型 | |
| 口的位置 | |
| 鑑別 | Large animals, from brownish-yellow to dark brown in color. Body 0.1 - 0.6 cm long, spindle shaped spindle shaped or cylindrical. Introvert somewhat longer than trunk. Surface of trunk smooth-seeming, as papillae covering it very small. Cephalon bearing dendritic crown of tentacles consisting of four main dichotomic branching trunks. Branches of tentacles pigmented with pinnules with violet grains. Smooth collar behind tentacles, with violet pigmentation. Zone of irregularly distributed large scalids behind cephalon. Longitudinal musculature of body wall not divided into longitudinal bands. Two retractors of introvert, both ventral, fastened to body wall in posterior third of body. Contractile vessel with long, filiform, spirally twisted branches braiding internal organs. Intestine long, number of intestinal loops 16-20. Three fixing muscles, located individually for every animal. Anal opening level with nephridiopores. Wing muscles well-developed. No rectal diverticulus found. Two nephridia fastened to body wall via mesenterial filaments along 1/4 of their length. Nephrida 80 percent as long as trunk (Ref. 1815). |
| 鑑定難易度 | likely to be confused with closely related species. |
| 側線 | 打斷: No |
| 側線上的鱗片 | |
| 側線上鱗片數 | |
| 側生系列的鱗片 | |
| 側線上的鱗片列 | |
| 側線下的鱗片列 | |
| 尾梗周圍的鱗片 | |
| 觸鬚 | |
| 鰓裂 (僅限於鯊魚/ 魟魚) | |
| 鰓耙 | |
| 在下肢上 | |
| 上枝鰓耙 | |
| 總數 | |
| 脊椎骨 | |
| 肛門前 | |
| 總數 |
| 屬性 | |
| 鰭數 | |
| 離鰭號碼 | 背鰭 |
| Ventral | |
| 棘總數 | |
| 軟條總數 | |
| 脂鰭 |
| 屬性 |
| 鰭數 | |
| 棘總數 | |
| 軟條總數 |
| 胸鰭 | 屬性 |
| 脊椎 | |
| 軟條 | |
| 骨盤的 | 屬性 |
| 位置 | |
| 脊椎 | |
| 軟條 |