| Main Ref. | Shao, K.T. and L.-W. Chen, 1989 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | more or less normal |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Head with a hump, right above eye and vertically abrupt to snout. Median predorsal scales 3. Cheek with 3 scale rows (upper and middle rows 5, lower 1 or 2). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | 22 - 24 |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 9 - 9 |
| Soft-rays total | 10 - 10 |
| Adipose fin |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 9 - 9 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 14 - 14 | |
| Pelvics | Attributes more or less normal |
| Position thoracic behind origin of D1 | |
| Spines | |
| Soft-rays |