. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Saurosuchus A^a) the Rauisuchid Thecodonts • Sill 353 o 00 CO < en CD CL X) CD o g c o O c D C O C o CO 'c < Undescribed Saurosuchus Stagonosuchus Mandasuchus i Prestosuchus Rauisuchus. / Luperosuchus Ticinosuchus \ Shansisuchus Figure 14. Suggested phylogeny of the Rauisuchidae. the archosaur faunas that dominated the later Mesozoic, they have been a poorly known and confusing group. As new dis- coveries have been made in the last few years there has been a renewed interest in the order, and at last the prospec
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Saurosuchus A^a) the Rauisuchid Thecodonts • Sill 353 o 00 CO < en CD CL X) CD o g c o O c D C O C o CO 'c < Undescribed Saurosuchus Stagonosuchus Mandasuchus i Prestosuchus Rauisuchus. / Luperosuchus Ticinosuchus \ Shansisuchus Figure 14. Suggested phylogeny of the Rauisuchidae. the archosaur faunas that dominated the later Mesozoic, they have been a poorly known and confusing group. As new dis- coveries have been made in the last few years there has been a renewed interest in the order, and at last the prospect emerges of unraveling the many and varied theco- dont lineages. Traditionally, thecodonts have been divided into three groups: 1) the very primitive forms from the Early Tri- assic, 2) the highly specialized taxa of the Late Triassic, phytosaurs and aetosaurs, and 3) the main stream, Pseudosuchia, somewhat of an "everything else" suborder. The n(>w discoveries ha\'e permitted the clarification of some relationships, and have added a new lineage, Proterochamp- sidae, to the order. But the major relation- ships are still far from settled, and there is a considerable number of genera that do. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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