The Cryogenian (from Ancient Greek: κρύος, romanized: krýos, meaning "cold" and γένεσις, romanized: génesis, meaning "birth") is a geologic period that...

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...

Cretaceous and Paleogene systems/periods. For divisions prior to the Cryogenian, arbitrary numeric boundary definitions (Global Standard Stratigraphic...

the Tonian, Cryogenian and Ediacaran. One of the most severe glaciation event known in the geologic record occurred during the Cryogenian period of the...

within Bilateria. Animals first appear in the fossil record in the late Cryogenian period and diversified in the subsequent Ediacaran. Earlier evidence of...

(million years ago). It ended approximately 632.3 ± 5.9 Ma during the Cryogenian period. This glaciation possibly covered the entire planet, in an event...

by the Stenian Period of the Mesoproterozoic Era and followed by the Cryogenian. Rifting leading to the breakup of supercontinent Rodinia, which had formed...

demosponges may have appeared during the Precambrian deposits at the end of the Cryogenian "Snowball Earth" period. Their presence has been indirectly detected by...

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...

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...

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...

The Sturtian glaciation was a worldwide glaciation during the Cryogenian Period when the Earth experienced repeated large-scale glaciations. As of January 2023[update]...

Invertebrates Temporal range: Cryogenian to Present, 665–0 Ma Pha. Proterozoic Archean Had. Left to right: Chrysaora fuscescens (Cnidaria), Fromia indica...

← Cryogenian ice age*...

Kaigas formation was later determined to be non-glacial. c. 720 Ma – Cryogenian Period starts, during which Earth freezes over (Snowball Earth or Slushball...

Late Tonian, between the end of the Boring Billion and the onset of the Cryogenian “Snowball Earth”, marine deposits record a very significant positive carbon...

glaciations occurred. The most recent snowball Earth took place during the Cryogenian period and consisted of two global glaciation events known as the Sturtian...

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...

Neoproterozoic (539 Ma–1 Ga) Ediacaran (539–635 Ma) Cryogenian (635–720 Ma) Tonian (720 Ma–1 Ga) Mesoproterozoic (1–1.6 Ga) Stenian (1–1.2 Ga) Ectasian...

known icehouse periods in Earth's climate history, namely the Huronian, Cryogenian, Andean-Saharan (also known as Early Paleozoic), Late Paleozoic and Late...

← Cryogenian ice age*...

← Cryogenian ice age*...

Phytoplankton | News | University of Bristol". "The rise of algae in Cryogenian oceans and the emergence of animals – ResearchGate". Jin, Xin; Shi, Zhiqiang;...

ocean. Geologic evidence suggests that the middle Neoproterozoic, the Cryogenian period, was an extreme ice age so intense that Mirovia may have been completely...

Stenian. It would last into the Tonian period before breaking up in the Cryogenian. This period includes the formation of the Keweenawan Rift at about 1100...

← Cryogenian ice age*...

← Cryogenian ice age*...

have been at least five major ice ages in Earth's history (the Huronian, Cryogenian, Andean-Saharan, late Paleozoic, and the latest Quaternary Ice Age). Outside...

Neoproterozoic (539 Ma–1 Ga) Ediacaran (539–635 Ma) Cryogenian (635–720 Ma) Tonian (720 Ma–1 Ga) Mesoproterozoic (1–1.6 Ga) Stenian (1–1.2 Ga) Ectasian...