your definition of indistinguishable and mine are quite different.....their skeletons are quite different other than both being cavy type rodents due to their very different lifestyles.....you can tell they are related but the skulls, hips ect are quite different
I should have specified that they are nearly indistinguishable to a non-expert in zoology or a related field. To an expert, few species-pairs of skeletons are even
nearly indistinguishable.
