| Main Ref. | Briggs, J.C., 2001 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Dorsal and anal fins confluent with caudal; both of medium length. Origin of anal fin much closer to rear margin of the disc. Upper attachment of gill membrane opposite 8th (or ninth) pectoral ray. Postdorsal-caudal distance 4-4.5 in dorsal length. Caudal fin rays 7-8 (Ref. 40788). |
| 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 | 7 - 7 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 12 - 13 |
| Adipose fin |
| Attributes | more or less truncate; more or less normal |
| Fins number | |
| Spines total | |
| Soft-rays total | 10 - 11 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 27 - 27 | |
| Pelvics | Attributes part of sucker-disc |
| Position thoracic before origin of D1 | |
| Spines | |
| Soft-rays |