| Main Ref. | Andriashev, A.P. and N.V. Chernova, 1997 |
| 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 |
The pleural ribs absent; one hypural plate, without slit. Head depth slightly exceeds its width. Mouth terminal. Teeth simple. The near mouth pores are small, round; the chin pores are not adjacent. The gill opening is small. The disk is small, oval, the edge border is narrow, chondral. The disk-anus distance exceeds the disk length by two times. The entire body is densely echinated with very small spinules. The body and the peritoneum are black, the stomach is light with black blood vessels (Ref. 27679). |
| 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 | 0 - 0 |
| Soft-rays total | 64 - 64 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total | 56 - 56 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 25 - 25 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |