Several hundred photographs of finds Hapgood sent Harvard University professor, Dr. Romer zoology. After examining them, the scientist came to a rather surprising conclusion: the beast reminiscent of reptiles, which is now live in Mexico (eg, iguanas). A Soviet scientist, Candidate of Historical Sciences G. Buslaev, relying on Romer's findings, developed this hypothesis in more detail. He notes that many of the peoples of the Stone Age there was a cult of 'animal ancestors' and sculptures were made totemichnye mythical ancestors, the animals' Given these conditions create a sculptural' portraits', - writes G. Buslaev, - should probably be understood in a fantastic image of strange reptiles from the collection of Zhulsruda that their researchers took images of Mesozoic dinosaurs. It may be that the model for these 'Zavriev' were common lizard, gecko, salamander, an iguana or crocodile (in America - Cayman). After all, the ancient Mexicans had a cult caiman! '