Complex sentence: Small mortars, possibly used to grind vilca (a hallucinogenic snuff), have been uncovered, along with bone tubes and spoons decorated with wild animals may be associated with shamanistic transformations.
Split into simpler sentences: Small mortars, possibly used to grind "vilca" (a hallucinogenic snuff), have been uncovered. With them have been bone tubes and spoons decorated with wild animals, which may be associated with shamanistic transformations.