| Main Ref. | Prokofiev, A.M., 2004 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Papillated lips, closely situated nostrils, fully developed canals of the seismosensory system, ten branched rays in the dorsal fin, a large basicaudal spot, absence of scales on head sides and specific epidermal formations in adult males, no transverse bands on the body; a longitudinal black-brown serrated band on sides is developed only in the middle part of the trunk and seems to appear in adults only, absence of dark band from the snout tip to the occiput, all fins are not colored, and a free part of the airbladder is directly connected with the encapsulated part (Ref. 55470). |
| 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 | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 3 - 4 |
| Soft-rays total | 10 - 10 |
| Adipose fin | absent |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | 2 - 3 |
| Soft-rays total | 5 - 5 |
| Pectoral | Attributes |
| Spines 1 | |
| Soft-rays 10 - 13 | |
| Pelvics | Attributes |
| Position abdominal | |
| Spines 1 | |
| Soft-rays 7 - 7 |