Allosaurus jimmadseni yog thawj zaug pom los ntawm George Engelmann ntawm University of Nebraska, Omaha ntawm Lub Xya Hli 15, 1990 thaum lub sijhawm cog lus paleontological cov khoom muag ntawm Morrison Tsim ntawm Dinosaur National Monument.
Allosaurus nrhiav tau nyob qhov twg?
Allosaurus, (genus Allosaurus), subsumes Antrodemus, loj carnivorous dinosaurs uas nyob ntawm 150 lab mus rau 144 lab xyoo dhau los thaum lub sijhawm Jurassic lig; lawv paub zoo tshaj plaws los ntawm cov pob txha pom nyob rau sab hnub poob Tebchaws Meskas, tshwj xeeb yog los ntawm Cleveland-Lloyd Quarry hauv Utah thiab Garden Park Quarry hauv…
Puas muaj dinosaur nrhiav pom hauv xyoo 2020?
Cov kws tshawb fawb hauv Australia tau lees paub qhov kev tshawb pom ntawm Australia cov hom dinosaur loj tshaj plaws puas tau pom. Australotitan cooperensis tau ntev txog 80 txog 100 feet thiab 16 txog 21 feet siab ntawm nws lub duav.
Thaum twg Big Al nrhiav tau?
"Big Al," lwm qhov piv txwv ntawm hom tshiab, tau tshawb pom hauv Wyoming ntawm Tebchaws Meskas Lub Tsev Haujlwm Saib Xyuas Kev Tswj Xyuas av (BLM) thaj av hauv 1991 thiab nyob hauv sau los ntawm Tsev khaws puav pheej ntawm Rockies hauv Bozeman, Montana.
Dinosaur dab tsi muaj 80 hniav?
Allosaurus jimmadseni yog ob-legged carnivore, nrog ntev forelimbs thiab ntse, recurved claws uas yuav siv tau rau lob prey. Ib yam li lwm cov dinosaurs allosauroid, Allosaurus jimmadseni muaj lub taub hau loj tag nrho ntawm 80 cov hniav ntse. Nws kuj yog feem ntauCov khoom noj uas muaj nyob hauv nws cov ecosystem.
