| Main Ref. | Stein, D.L., 2012 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
V 66–67 (9–10+56–57), P 14–15 (10+1–2+3), notch rays rudimentary; gill opening long, 71–74% HL, extending over all or almost all rays, to base of lower pectoral-fin lobe; UPL 34–36% SL, extending to 14th or 15th anal-fin ray; LPL 23–28% SL, extending posteriorly to at least second or third anal-fin ray; pectoral radials 4. HL 18–25% SL. A distinct notch present at symphysis of premaxillae, matching a protrusion at symphysis of lower jaw (Ref. 90026). |
| 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 | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |