Search results
Results from the WOW.Com Content Network
The earliest potential record of dinosaurs in North America comes from rare, unidentified (possibly theropod) footprints in the Middle-Late Triassic Pekin Formation of North Carolina. [1] However, the most reliable early record of North American dinosaurs comes from fragmentary saurischian fossils unearthed from the Upper Triassic Dockum Group ...
Birds of North America (35 C, 130 P) M. ... Pages in category "Dinosaurs of North America" The following 4 pages are in this category, out of 4 total.
Prehistoric birds of North America. Subcategories. This category has the following 2 subcategories, out of 2 total. C. Cenozoic birds of North America (3 C, 2 P) M.
Laramidia was an island continent that existed during the Late Cretaceous period (99.6–66 Ma), when the Western Interior Seaway split the continent of North America in two. In the Mesozoic era, Laramidia was an island land mass separated from Appalachia to the east by the Western Interior Seaway.
"The cliffs contain one of the most complete records of a Cretaceous dinosaur ecosystem on the planet. We are trying to document that." The Cretaceous Period lasted from 145 million to 66 million ...
The taxonomic treatment [3] (designation and sequence of orders, families and species) and nomenclature (common and scientific names) used in the accompanying bird lists adheres to the conventions of the AOS's (2019) Check-list of North American Birds, the recognized scientific authority on the taxonomy and nomenclature of North America birds.
The oldest fossil evidence for paravians — the dinosaur group that includes the earliest birds and their closest relatives — appears around the middle of the Jurassic Period (201.3 million to ...
Pleistocene birds of North America (32 P) F. ... Pages in category "Pleistocene animals of North America" The following 20 pages are in this category, out of 20 total.