. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 204 Bulletin Museum of Comparative Zoology, Vol. 150, No. 4. Figure 3. Stereophotographs of anterior portion of left side of postcranial skeleton of Ptilodus kummae (UA 9001). The area referenced to Figure 16 contains the ?right carpus. > Abbreviations: Cd20, ?twentieth caudal vertebra; L1, presumed first lumbar vertebra. UM—University of Michigan Museum of Paleontology, Ann Arbor, Michigan UMVP—University of Minnesota, Min- neapolis, Minnesota USNM—United States National Museum, Washington, YPM—Peabody
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 204 Bulletin Museum of Comparative Zoology, Vol. 150, No. 4. Figure 3. Stereophotographs of anterior portion of left side of postcranial skeleton of Ptilodus kummae (UA 9001). The area referenced to Figure 16 contains the ?right carpus. > Abbreviations: Cd20, ?twentieth caudal vertebra; L1, presumed first lumbar vertebra. UM—University of Michigan Museum of Paleontology, Ann Arbor, Michigan UMVP—University of Minnesota, Min- neapolis, Minnesota USNM—United States National Museum, Washington, YPM—Peabody Museum of Natural His- tory, Yale University, New Haven, Con- necticut MATERIALS Type Specimen of ptilodus kummae (UA 9001) This specimen was discovered at a late Paleocene (Tiffanian) locality (UAR2g; see Krause, 1977) in the Ravenscrag Forma- tion of Saskatchewan. Prior to discovery, the skull, both lower jaws, several anterior vertebrae, the pectoral girdle, most of the forelimbs, and some caudal vertebrae had eroded from the rock. Fragments of these elements were recovered by surface col- lecting and by washing and screening the surrounding matrix. The fragments thus obtained include several teeth (left Ii and P^; right P,, M,, and P-'^), the distal end of the right scapulocoracoid, fragments of the right humerus, proximal parts of both radii, a proximal segment of the right ulna, ten manual phalanges, and three caudal vertebrae. Association of these isolated elements with the articulated specimen is confidently established by the close prox- imity in which they were found, the vir- tual absence of bone in the immediately adjacent area, the anatomical correspon- dence to known allotherian skeletal ele- ments (especially those of Ptilodus mon- taniis described by Gidley [1909]), the absence of duplication of individual bones, and the close fit of some complex articular surfaces (for example, the humerus and ulna).. Please note that these images are extracted from sca
Size: 2361px × 1058px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology
