Robert Carroll, in his book Vertebrate Paleontology and Evolution (1988), replaces Pseudosuchia with Rauisuchia, Ornithosuchia, and the traditional category incertae sedis (of uncertain placement), while retaining the other three suborders.
In his book "Vertebrate Paleontology and Evolution" (1988), Robert Carroll revised the classification of early archosaurs by replacing Pseudosuchia with Rauisuchia, Ornithosuchia, and retaining the traditional category incertae sedis. He also kept the other three suborders.