Pianciani, a 19th - century priest and professor of Natural Sciences in Viterbo, challenged those assumptions. Because the bones were mostly found in alluvial deposits, he concluded that they belonged to animals that had died elsewhere and were carried to their new location by floodwaters.
Ai doli në përfundimin se këto fosile u përkitnin kafshëve që kishin ngordhur diku tjetër, por aty ku u zbuluan kishin arritur nga ujërat e ndonjë përmbytjeje, meqë kockat u gjetën kryesisht në depozitime lymi.