| Main Ref. | Follett, W.I. and M.E. Anderson, 1990 |
| 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 | |
| Type of scales | |
| Diagnosis |
Pelvic fins present, each of a minute spine; first dorsal spine associated with first pterygiophore; first anal pterygiophore noticeably more massive than second; ventrolateral lateral line not connected; meridioventral lateral line absent (Ref. 48788). Caudal fin rounded. |
| 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 | 60 - 62 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 38 - 43 |
| Soft-rays total | 14 - 18 |
| Adipose fin | absent |
| Attributes | other (see remark) |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 42 - 44 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 12 - 12 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays |