Bovine arch
MR angio of neck vessels reveals "Bovine Arch"
There is a common origin of inominate and left common carotid arteries. this is not a true bovine arch and is rather found in cats.
True Bovine arch has a single branchiocephalic trunk giving off both subclavians and a common bicarotid trunk.
More appropriate proposed names are feline/ Canine/ lapine arch.