Investigation on dental replacement patterns in three species of Caipirasuchus (Caipirasuchus paulistanus Iori and Carvalho, 2011; Caipirasuchus montealtensis (Andrade and bertini, 2008) and Caipirasuchus mineirus Martinelli et al., 2018), a Crocodyliformes from the Upper Cretaceous of Bauru Basin – Brazil, indicate aspects of their life habits. Caipirasuchus exhibits a posterior-to-anterior replacement teeth direction and numerical alternation in the teeth pattern. Remarkably, Caipirasuchus montealtensis shows replacements occurring even when the functional tooth is absent, possibly due to feeding or combat-related activities. Additionally, an intriguing inverted mandibular replacement in Caipirasuchus montealtensis suggests a unique teeth developmental process. On the other hand, Caipirasuchus mineirus exhibits minimal or no tooth replacements, suggesting a decreased need for dental maintenance in the early stages of life. Despite similarities in replacement patterns, further research is necessary to fully elucidate the lifestyle implications of these findings. This analysis underscores the importance of dental replacement studies in sphagesaurids for understanding their ecological adaptations.