| Main Ref. | Chabanaud, P., 1934 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| Cross section | flattened |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnose |
Distinct from Synaptura and Austroglosuus spp. by: the shape of pelvic fins, that are parallel, with long basis; insertion of first pelvic ray; different scales. |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | 77 |
| 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 | |
| insgesamt | |
| Wirbelzahl | |
| preanal | |
| insgesamt |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 83 |
| Adipose fin | absent |
| Attributes | other (see remark); more or less normal |
| Fins number | 1 |
| Spines total | |
| Soft-rays total | 62 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 4 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays 4 |