| Main Ref. | Zahuranec, B.J., 2000 |
| 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 | |
| Type of scales | |
| Diagnosis |
7.5-10 tooth patches on the lower limb of the second gill arch; 12-15 AO photophores; 36-39 lateral line organs (Ref. 36121). Pectoral fins with extremely weak and flexible rays (Ref. 36121). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| 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 | 11 - 13 |
| on upper limb | 4 - 5 |
| total | 16 - 18 |
| Vertebrae | |
| preanal | |
| total | 36 - 39 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 13 - 16 |
| Adipose fin | present |
| Attributes | forked |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 17 - 21 |
| Pectoral | Attributes other (see remarks) |
| Spines 0 | |
| Soft-rays 11 - 12 | |
| Pelvics | Attributes |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays |