| Main Ref. | Bradbury, M.G., 1988 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Disk rounded and compressed, with cranium moderately elevated and bulbous rostrum rising slightly above it and extending anterior to mouth. Ventral surface without tubercles. Very wide mouth with lower jaw projecting. Trilobed esca with masses of short filaments, except dorsal tip of dorsal lobe. Cephalic lateral line scale counts: preopercular 3; subopercular 6-7; dorsolateral branch of subopercular 3-4; supraorbital 9. Lateral line scale counts on body 9-10; tail 11-13. Fins weak; anal relatively long, reaching base of caudal (Ref. 40825). |
| 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 | 18 - 18 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 6 - 6 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total | 4 - 4 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 14 - 15 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |