| Main Ref. | Shinohara, G. and H. Sakurai, 2006 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | eel-like |
| Cross section | oval |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | more or less normal |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Distinguished by the following characters: pseudosubmental crest present; dorsoanterior portion of frontals fused; pareitals meeting in midline; no pelvic fins; ventral ramus of posttemporal weak; postorbital head pores 5; pectoral fin rays 14 (Ref. 58274). |
| 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 | 13 - 14 |
| on upper limb | 2 - 3 |
| total | 15 - 17 |
| Vertebrae | |
| preanal | 27 - 28 |
| total | 117 - 118 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 113 - 116 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total | 93 - 95 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 14 - 14 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |