Lawrence M. Witmer, PhD
Professor of Anatomy
Chang Professor of Paleontology

Dept. of Biomedical Sciences
College of Osteopathic Medicine
Life Science Building, Rm 123
Ohio University
Athens, Ohio 45701 USA

Phone: 740 593 9489
Fax: 740 593 2400
Email: witmerL@ohio.edu

Dinosauria
Saurischia
            Sauropoda
                  cf. Apatosaurus excelsus
                  Diplodocus longus
                  Diplodocus longus
                  Camarasaurus grandis
                  Camarasaurus lentus
           Theropoda
                  Eoraptor lunensis
                  Herrerasaurus ischigualastensis
                  Coelophysis bauri
                  Ceratosaurus magnicornis
                  Majungasaurus crenatissimus
                  Marshosaurus/Stokesosaurus
                  Gorgosaurus libratus
                  Nanotyrannus lancensis
                  Tyrannosaurus rex
                  Tarbosaurus bataar
                  Gallimimus bullatus
                  Falcarius utahensis
               Avimimus portentosus
                  Oviraptor philoceratops
                  Conchoraptor gracilis
                  Conchoraptor gracilis
                  Conchoraptor gracilis
                  Ingenia yanshini
                  Dromaeosaurus albertensis
                  Deinonychus antirrhopus
                  Deinonychus antirrhopus
                  Velociraptor mongoliensis
                  Velociraptor mongoliensis
                  Velociraptor mongoliensis
                  Bambiraptor feinbergorum
                  Bambiraptor feinbergorum
                  Bambiraptor feinbergorum
                  Archaeopteryx lithographica
                  Archaeopteryx siemensii
                  Archaeopteryx
                  Archaeopteryx bavarica
 

Basal Archosauria
        Stagonolepididae
                  Desmatosuchus haplocerus

Ornithischia
     Thyreophora
          Stegosauria
                  Stegosaurus stenops
            Ankylosauria
                  Pawpawsaurus campbelli
                  Panoplosaurus mirus
                  Gastonia burgei
                  Gastonia burgei  
                  Pincaosaurus grangeri
                  Pincaosaurus grangeri
                  Tarchia gigantea
                  Minotaurasaurus ramachandrani
                  Ankylosaurus magniventris
       Ornithopoda
             Altirhinus kurzanovii
             Maiasaura peeblesorum
       Pachycephalosauria
             Stegoceras validum
             Prenocephale prenes
       Ceratopsia
             Bagaceratops rozhdestvenskyi
             Leptoceratops gracilis
             Triceratops horridus
        

Note: The casts depicted on these pages are for scientific research only and are not for sale.

Research in the Witmer lab does not involve experimentation on live animals.  Specimens of modern animals used in research are salvage specimens, obtained legally from commercial or governmental sources.