机译:Tusk pairs in the Ziegler Reservoir mastodon (Mammut americanum) assemblage: Implications for site taphonomy and stratigraphy
Univ Michigan, Museum Paleontol, 1109 Geddes Ave, Ann Arbor, MI 48109 USA;
American mastodon; Mandibular tusks; Principal component analysis; Ziegler Reservoir; Time averaging; Sexual dimorphism;