[2] Sergey Savelyev's statements and books have been repeatedly criticized by experts for a large number of factual errors and incorrect conclusions.
For many years engaged in the study of fetal pathologies of the nervous system, he develops methods of their diagnosis[citation needed].
In 2002 he published a monograph, illustrating it with original snapshots of entire human embryos in the first days after implantation and neurulation period[citation needed].
Alifanov (laboratory of paleoherpetology) he established the principles of brain organization of dinosaurs, creodonts and gienodonts[citation needed].
Russian paleontologist Stanislav Drobyshevsky and science journalist Sergey Sokolov published very detailed and devastated critics on the Saveljev´s book "Возникновение мозга человека" (Human brain genesis).