In 2006, Thai biologist Komsorn Lauprasert examined fossils collected from the Phu Kradung, Sao Khua, and Khok Kruat Formations. In this study, the teeth of Siamosaurus and a Moroccan spinosaurid were compared to those of crocodilians using scanning electron microscopy.
In 2006, Thai biologist Komsorn Lauprasert examined fossils from the Phu Kradung, Sao Khua, and Khok Kruat Formations.  He used scanning electron microscopy to compare the teeth of Siamosaurus and a Moroccan spinosaurid to those of crocodilians.