| Main Ref. | Séret, B., 2003 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | other |
| Cross section | flattened |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | sub-terminal/inferior |
| Type of scales | placoid scales |
| Diagnosis |
Description: A large stingray; disc rhombic, its anterior margins forming an obtuse angle (Ref. 81259). Dorsal surface partially rough, with scattered dermal denticles, more concentrated on head and trunk; an irregular mid-dorsal row of backward-pointing thorny tubercles with oval bases embedded in the skin, as well as two parallel scapular segments of small, irregular tubercles (Ref. 81259). Tail whip-like and spinous behind the sting, with a dorsal ridge and a well developed ventral fold as high as tail depth (Ref. 81259). Colouration: Back greenish-grey-brown; belly white, pectoral margins slightly darkened; tail brownish behind the sting, ventral tail fold blackish (Ref. 81259). |
| 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 | other (see remark) |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |