| Main Ref. | Gomon, M.F., C.J.M. Glover and R.H. Kuiter (eds.), 1994 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Diagnosis |
Remarks: caudal fin rounded. |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 16 - 27 |
| Pored lateral line scales | |
| Scales in lateral series | |
| 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 | 0 - 6 |
| on upper limb | 1 - 2 |
| total | 2 - 8 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 34 - 40 |
| Soft-rays total | 4 - 6 |
| Adipose fin | absent |
| Attributes | other (see remark); more or less normal |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 25 - 28 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 13 - 14 | |
| Pelvics | Attributes |
| Position jugular beneath origin of D1 | |
| Spines 1 | |
| Soft-rays 3 - 3 |