Children (8 direct children, 9 direct and indirect children):
Round stingray
Urolophus halleri
Yellow stingray
Urobatis jamaicensis
Chilean round stingray
Urobatis marmoratus
Spotted round ray
Urobatis maculatus
Bullseye round stingray
Spot-on-spot round ray
Urobatis tumbesensis
Tumbes round stingray
Urobatis pardalis
Costa rican round stingray
Urobatis sloani
(tree size 1)