The Cretaceous Mesozoic final period began at 145.5 million years ago and
ended at 65.5 million years ago, after 79.5 million years. During this period,
the continent was separated by the ocean and the earth became warm and dry.
Flowering plants, the largest dinosaurs, many new dinosaur species began to
appear, dinosaurs still rule the land, pterosaurs glides in the sky, and huge
marine reptiles dominate the shallow sea. The earliest snakes, moths, and bees,
as well as many new small mammals, also appeared. What do you know about this
century? The Museum Dinosaur Manufacturer will come to you for science.
The Cretaceous is the last of the Mesozoic in the geological age, with a
length of 80 million years, the longest stage of the Phanerozoic. The Cretaceous
was named after the strata of western Europe in the past. The Cretaceous is
located between the Jurassic and Paleogene, about 145.5 million years ago (with
an error of 4 million years) and 65.5 million years ago (with an error of
300,000 years). The extinction event that occurred at the end of the Cretaceous
period is the boundary between the Mesozoic and the Cenozoic.
The Cretaceous climate is quite warm and the sea level changes greatly. There
are dinosaurs on the land, and the sea is home to marine reptiles, ammonites,
and thick clams. New mammals, birds, and flowering plants have also appeared for
the first time. The Cretaceous-Tertiary extinction event was one of the most
serious mass extinctions in the geological age, with most species including
dinosaurs dying. Nowadays, to watch these giant species, they can only be found
in dinosaur theme parks. Advanced technology has also made Animatronic Dinosaur,
making this extinct species reappear in front of us.
The oxygen content of the atmosphere during the Cretaceous period is now
150%, the carbon dioxide content is six times that before the industrial era,
and the temperature is 4 °C higher than today.
The Cretaceous was proposed in 1822 by Belgian geologists studying the Paris
Basin. Its name in Latin means “clay”, meaning the common white peony in the
Upper Cretaceous strata, deposited from the calcium carbonate of the shellfish
in marine invertebrates, especially the spherulites. These chalk clay layers can
be found in continental Europe and the British Isles (especially the famous
white cliffs of Dover).
The reptiles in vertebrates have gone from extreme to decline, mainly
including tyrannosaurus (Tyrannosaurus), Triceratops, and Qingdao Dragon. The
Jurassic hard scale fish were replaced by real bone fish. Among the marine
invertebrates, planktonic foraminifera has emerged as an important basis for the
division of the Middle and Late marine strata in the Cretaceous. Many
standardized stones have also appeared in the benthic large foraminifera.
Ammonites and arrow stones evolve rapidly and distinctly, and are widely
distributed. They are traditionally divided and standardized stones. The group
of benthic scorpions can form reefs, which are typical warm-water fauna, found
in the Upper Cretaceous strata of Tibet and southern Xinjiang. Sea urchins are
quite prosperous in the Tethys Sea, with a few standard species. Corals and
brachiopods are secondary to the Cretaceous. Freshwater invertebrates are also
abundant, such as the rapid evolution of the ostracods and leaf limbs of
crustaceans, the widespread distribution of snails and mites in molluscs, and
the fossils of insects and freshwater algae, many of which can become The
classification of the standardized stone in the continental stratum plays an
important role in the exploration of mineral resources such as geological
mapping, oil and coal.
The above is about the science of the dinosaur century Cretaceous. It is a
pity that the dinosaurs are extinct, but you can also make people reconsider it
by making animated dinosaurs. If you are interested in simulating dinosaurs, you
can contact us and we can provide realistic dinosaur models. For people to
watch, there are also Dinosaur Costume to add fun, welcome you.