- The
Cryogenian (from
Ancient Gr****: κρύος, romanized: krýos,
meaning "cold" and γένεσις, romanized: génesis,
meaning "birth") is a
geologic period that...
- the Tonian,
Cryogenian and Ediacaran. One of the most
severe glaciation events known in the
geologic record occurred during the
Cryogenian period of the...
-
Cretaceous and
Paleogene systems/periods. For
divisions prior to the
Cryogenian,
arbitrary numeric boundary definitions (Global
Standard Stratigraphic...
- age is
believed to have
occurred some time
before 650 mya
during the
Cryogenian period,
which included at
least two
large glacial periods, the Sturtian...
- the Paleoproterozoic) and the
hypothesized Snowball Earth (during the
Cryogenian period in the late Neoproterozoic); and the
Ediacaran period (635–538...
- the
Neoproterozoic Era that
spans 96
million years from the end of the
Cryogenian Period at 635 Mya to the
beginning of the
Cambrian Period at 538.8 Mya...
- it from 538.8 to 635 Ma. In this
period the
Ediacaran biota appeared.
Cryogenian: The
middle period in the
Neoproterozoic Era: 635-720 Ma. Tonian: the...
-
Hallmann C,
Hoshino Y,
Liyanage T (August 2017). "The rise of
algae in
Cryogenian oceans and the
emergence of animals". Nature. 548 (7669): 578–581. Bibcode:2017Natur...
-
within Bilateria.
Animals first appeared in the
fossil record in the late
Cryogenian period and
diversified in the
subsequent Ediacaran period in what is known...
-
global climate around 717–635 Ma (the so-called
Snowball Earth of the
Cryogenian period) and the
rapid evolution of
primitive life
during the subsequent...