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Platyops Conservation status Critically Endangered (IUCN 3.1) Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Arthropoda Class: Malacostraca Order: Mysida Family: Mysidae Genus: Platyops Bacescu & Iliffe, 1986 Species: P. sterreri Binomial name Platyops sterreri Bacescu & Iliffe, 1986 Platyops sterreri is a species of crustacean in the family Mysidae, endemic to Bermuda ...
The aquatic toothed bird Hesperornis is the only known Cretaceous bird whose remains are found with any frequency in North America. [82] Near the end of the Cretaceous, the Western Interior Seaway began to withdraw. This regression would end up resulting in both halves of North America reuniting.
The map of North America with the Western Interior Seaway during the Campanian. The Western Interior Seaway (also called the Cretaceous Seaway, the Niobraran Sea, the North American Inland Sea, or the Western Interior Sea) was a large inland sea that split the continent of North America into two landmasses for 34 million years.
The History of North America encompasses the past developments of people populating the continent of North America. While it was commonly accepted that the continent first became inhabited by humans when individuals migrated across the Bering Sea 40,000 to 17,000 years ago, [ 1 ] more recent discoveries may have pushed those estimates back at ...
It was the largest city in North America in the 12th century. [19] 1150–1350: Ancestral Pueblo people are in their Pueblo III Period; 1200: Construction begins on the Grand Village of the Natchez near Natchez, Mississippi. This ceremonial center for the Natchez people is occupied and built upon until the early 17th century. [20]
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.
D. limbatus was the third species of Diplocaulus to be named, and remained the second most well known member of the genus until the 1950s. It was described by E.D. Cope in 1895 based on several incomplete specimens found in the Texas red beds. The type specimen was a poorly preserved skull and partial skeleton designated AM 4471.
Kenyanthropus is a genus of extinct hominin identified from the Lomekwi site by Lake Turkana, Kenya, dated to 3.3 to 3.2 million years ago during the Middle Pliocene.It contains one species, K. platyops, but may also include the 2 million year old Homo rudolfensis, or K. rudolfensis.