  Most studies on moir\'e superlattices formed from a stack of h-BN and
graphene have focused on single layer graphene; graphene with multiple layers
is less understood. Here, we show that a moir\'e superlattice of multilayer
graphene shows new features arising from the anisotropic Fermi surface affected
by the superlattice structure. The moir\'e superlattice of a h-BN/AB-stacked
tetralayer graphene heterostructure exhibited resistivity peaks showing a
complicated dependence on the perpendicular electric field. The peaks were not
due to secondary Dirac cones forming, but rather opening of the energy gap due
to folding of the anisotropic Fermi surface. In addition, superlattice peaks
resulted from mixing of light- and heavy-mass bilayer-like bands via the
superlattice potential. The gaps did not open on the boundary of the
superlattice Brillouin zone, but rather opened inside it, which reflected the
anisotropy of the Fermi surface of multilayer graphene.
