| Main Ref. | Iwamoto, T. and Y.I. Sazonov, 1994 |
| 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 |
A rather soft, large, inflated head; small head pores. Dorsally scaleless snout extend onto forehead. Orbit diameter about 29% of head length; snout almost equal to orbit, about 1.1 into broad interorbital (33% HL in width). Rudimentary barbel, less than 3% HL. Well developed ADW and PDW, at either end of the long periproct region, separated by a narrow isthmus. 1D II,9 (Ref. 11651). |
| 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 | 2 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 2 - 2 |
| Soft-rays total | |
| Adipose fin | absent |
| Attributes | pointed; confluent |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position | |
| Spines 0 | |
| Soft-rays 10 - 10 |