Assertion: hammerhead shark | /r/HasProperty | any of 10 shark species
Facets:
Source sentences:
text: Hammerhead shark, (family Sphyrnidae), any of 10 shark species belonging to the genera Sphyrna (9 species) and Eusphyrna (1 species), which are characterized by a flattened hammer- or shovel-shaped head, or cephalofoil.