Ohio Rev. Code § 935.041: Registration of certain marmosets, monkeys, capuchins and lemurs.

A person that possesses any of the following animals shall register the animal in the same manner as provided in section 935.04 of the Revised Code:

(A) Pygmy, white-tufted-ear, silvery, and black-pencilled marmosets;

(B) Squirrel monkeys;

(C) Brown, white-faced, weeping, and white-fronted capuchins;

(D) Lemurs.