- The
Cretaceous (IPA: /krɪˈteɪʃəs/ krih-TAY-shəss) is a
geological period that
lasted from
about 143.1 to 66
million years ago (Mya). It is the
third and...
- The Late
Cretaceous (100.5–66 Ma) is the more
recent of two
epochs into
which the
Cretaceous Period is
divided in the
geologic time scale. Rock strata...
- The
Early Cretaceous (geochronological name) or the
Lower Cretaceous (chronostratigraphic name) is the
earlier or
lower of the two
major divisions of the...
-
species such as sea
turtles and crocodilians. It
marked the end of the
Cretaceous period, and with it the
Mesozoic era,
while heralding the
beginning of the...
- the end of the
Cretaceous Period, the last
period of the
Mesozoic Era, and
marks the
beginning of the
Paleogene Period, the
first period of the Cenozoic...
- The
Cretaceous Thermal Maximum (CTM), also
known as
Cretaceous Thermal Optimum, was a
period of
climatic warming that
reached its peak
approximately 90...
- 19th century, a
significant amount of
research has been
conducted on the
Cretaceous–Paleogene
extinction event, the m****
extinction that
ended the dinosaur-dominated...
- from the end of the
Cretaceous Period 66 Ma (million
years ago) to the
beginning of the
Neogene Period 23.04 Ma. It is the
first period of the
Cenozoic Era...
- youngest: Tri****ic
Period (251.902 to 201.4
million years ago) Jur****ic
Period (201.4 to 143.1
million years ago)
Cretaceous Period (143.1 to 66 million...
-
includes lizards and snakes.
During the last 20
million years of the
Cretaceous period (Turonian–Maastrichtian ages), with the
extinction of the ichthyosaurs...