| Main Ref. | Chernova, N.V. and J.T. Eastman, 2001 |
| 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 |
Vertebrae 56, dorsal 49, pectorals 20, caudal 9; pectoral radials 3. Head large, 28% SL, preanal 38% SL. Eye 20% HL. Interorbital wide, 61% HL. Snout very large, in lateral view twice eye diameter, well developed subdermal gelatinous layer. Nostril large, tubular. Mouth horizontal, subterminal. Teeth simple. Cephalic pores large. Symphyseal pores not closely set. Gill opening reaching in front of pectoral ray 2-3. Body pale (pink in life), greyish postabdominally. Peritoneum and gill cavity black, stomach pale (Ref. 39425). |
| 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 | 56 - 56 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 49 - 49 |
| Adipose fin | absent |
| Attributes | more or less truncate; confluent |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 43 - 43 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 20 - 20 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |