| Main Ref. | Gonzalez, C., B. Postaire, W. Driggers, S. Caballero and D, Chapman, 2024 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | |
| Cross section | oval |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This small hammerhead shark (<150 cm at maturity) is distinguished by the following characters: a flat, shovel shaped head without indentations on its anterior edge; cephalofoil anterior margin is pointed (like a triangle) in both sexes and the posterior margins are lobule shaped; anterior margin of males exhibits a pronounced bulge; with enlarged, molariform posterior teeth, the first dorsal rear tip in front of pelvic origins, and shallowly concave posterior anal margin.; differs from S. tiburo with anterior margin of the head more rounded and the lobules on the posterior margin are not present; precaudal vertebral counts 80-83 (ca.10 more vertebrae than S. tiburo) (Ref. 132488). |
| 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 |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |