Lopingian

Short description: Third and final series of the Permian

Lopingian

259.51 ± 0.21 – 251.902 ± 0.024 Ma

PreЄ

Chronology

Permian graphical timeline

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white;">T

Late P

white;">Early T

Asselian

Sakmarian

Artinskian

Kungurian

Roadian

Wordian

Capitanian

Wuchiapingian

Changhsingian

Permian-Triassic mass extinction event

end-Capitanian extinction event

Olson's Extinction

Subdivision of the Permian according to the ICS, as of 2021.[1]
Vertical axis scale: millions of years ago.

Etymology
Name formality| Formal
Synonym(s)| Late/Upper Permian

Usage information
Celestial body| Earth
Regional usage| Global (ICS)
Time scale(s) used| ICS Time Scale
Definition
Chronological unit| Epoch
Stratigraphic unit| Series
Time span formality| Formal
Lower boundary definition| FAD of the Conodont Clarkina postbitteri postbitteri
Lower boundary GSSP| Penglaitan Section, Laibin, Guangxi, China
[ ⚑ ] 23°41′43″N 109°19′16″E﻿ / ﻿23.6953°N 109.3211°E﻿ / 23.6953; 109.3211
GSSP ratified| 2004[2]
Upper boundary definition| FAD of the Conodont Hindeodus parvus.
Upper boundary GSSP| Meishan, Zhejiang, China
[ ⚑ ] 31°04′47″N 119°42′21″E﻿ / ﻿31.0798°N 119.7058°E﻿ / 31.0798; 119.7058
GSSP ratified| 2001[3]

The Lopingian is the uppermost series/last epoch of the Permian.[4] It is the last epoch of the Paleozoic. The Lopingian was preceded by the Guadalupian and followed by the Early Triassic.

The Lopingian is often synonymous with the informal terms late Permian or upper Permian.

The name was introduced by Amadeus William Grabau in 1931 and derives from Leping, Jiangxi in China.[5] It consists of two stages/ages. The earlier is the Wuchiapingian and the later is the Changhsingian.[6]

The International Chronostratigraphic Chart (v2018/07)[4] provides a numerical age of 259.1 ±0.5 Ma. If a Global Boundary Stratotype Section and Point (GSSP) has been approved, the lower boundary of the earliest stage determines numerical age of an epoch. The GSSP for the Wuchiapingian has a numerical age of 259.8 ± 0.4 Ma.[7][8]

Evidence from Milankovitch cycles suggests that the length of an Earth day during this epoch was approximately 22 hours.[9]

## Contents

* 1 Geography
* 2 Life
* 2.1 Fossil gallery
* 3 See also
* 4 References

## Geography

During the Lopingian, most of the earth was in the supercontinent Pangaea. The Zechstein sea, would, at times, be connected to the Paleotethys; Other features of the earth during the time were the Microcontinent Cathaysia; And the Cimmerian superterrane, which divided the tethys realm into the paleotethys and the slowly expanding neotethys.

## Life

The Lopingian ended with the Permian–Triassic extinction event, where over 95% of species went extinct.

The series follows the Guadalupian, which ended with the Capitanian mass extinction, during which many species of brachiopods, ammonoids and other groups went extinct.[10]

Conodonts would reach their all-time low during this period, despite this, they are recovered from most marine Permian localities.[11] Common conodonts from the Lopingian include the genera Clarkina and Hindeodus.

The Lopingian would see the decline of the Paleozoic ammonoid orders (Goniatitida and Prolecanitida) and the rise of the order Ceratitida, especially within the superfamily Xenodiscoidea.[12]

Only seven trilobites are known from the Lopingian, with only five by the end of the epoch. One of the last members of this clade was Kathwaia capitorosa.[13]

Eurypterids were nearly extinct by this point, consisting of the possibly Lopingian Campylocephalus permicus of Russia; and the Changhsingian ?Woodwardopterus freemanorum of Australia .[14]

On land, gorgonopsians would become the apex predators after the extinction of the Dinocephalians, Other predators include the Therocephalians. Herbivorous animals of the Lopingian include the pareiasaurs such as Scutosaurus or dicynodonts, such as Dicynodon.

### Fossil gallery

* Smilesaurus ferox, one of the most fearsome predators of the Lopingian

* Skull of Dicynodon, a dicynodont.

* Scutosaurus, a common herbivore during the late Permian

* Paratirolites, an ammonoid from the latest Permian (Changhsingian)

## See also

* Geologic time scale
* Guadalupian
* Cisuralian

## References

1. ↑ "Chart/Time Scale". International Commission on Stratigraphy. http://www.stratigraphy.org/index.php/ics-chart-timescale.
2. ↑ Jin, Yugan; Shen, Shuzhong; Henderson, Charles; Wang, Xiangdong; Wang, Wei; Wang, Yue; Cao, Changqun; Shang, Qinghua (December 2006). "The Global Stratotype Section and Point (GSSP) for the boundary between the Capitanian and Wuchiapingian Stage (Permian)". Episodes 29 (4): 253–262. doi:10.18814/epiiugs/2006/v29i4/003. https://stratigraphy.org/gssps/files/wuchiapingian.pdf. Retrieved 13 December 2020.
3. ↑ Hongfu, Yin; Kexin, Zhang; Jinnan, Tong; Zunyi, Yang; Shunbao, Wu (June 2001). "The Global Stratotype Section and Point (GSSP) of the Permian-Triassic Boundary". Episodes 24 (2): 102–114. doi:10.18814/epiiugs/2001/v24i2/004. https://stratigraphy.org/gssps/files/induan.pdf. Retrieved 8 December 2020.
4. ↑ 4.0 4.1 International Commission on Stratigraphy. "Chart". http://www.stratigraphy.org/index.php/ics-chart-timescale.
5. ↑ Zhang, Shouxin (2009). Geological Formation Names of China (1866–2000). Beijing/Dordrecht: Higher Education Press/Springer. p. 681. ISBN 978-7-040-25475-4.
6. ↑ Allaby, Michael (2015). A Dictionary of Geology and Earth Sciences (4th ed.). Oxford University Press. doi:10.1093/acref/9780199653065.001.0001. ISBN 9780199653065.
7. ↑ International Commission on Stratigraphy. "GSSPs". http://www.stratigraphy.org/index.php/ics-gssps.
8. ↑ Gradstein, Felix M.; Ogg, James G.; Smith, Alan G. (2004). A Geologic Time Scale 2004. Cambridge University Press. ISBN 9780521786737.
9. ↑ Wu, Huaichun; Zhang, Shihong; Hinnov, Linda A.; Jiang, Ganqing; Feng, Qinglai; Li, Haiyan; Yang, Tianshui (13 September 2013). "Time-calibrated Milankovitch cycles for the late Permian". Nature Communications 4: 2452. doi:10.1038/ncomms3452. PMID 24030138. Bibcode: 2013NatCo...4.2452W.
10. ↑ Bond, David; Hilton, Jason; Wignall, Paul; Ali, Jason; Stevens, Liadan; Sun, Yadong; Lai, Xulong (2010). "The Middle Permian (Capitanian) mass extinction on land and in the oceans". Earth-Science Reviews 102 (1–2): 100–116. doi:10.1016/j.earscirev.2010.07.004. Bibcode: 2010ESRv..102..100B.
11. ↑ Wardlaw, R. B. (1995). "Permian Conodonts". The Permian of Northern Pangea. Berlin, Heidelberg: Springer. pp. 186–195. doi:10.1007/978-3-642-78593-1_12. ISBN 978-3-642-78595-5.
12. ↑ Leonova, T.B. (2016). "Major trends in the evolution of Permian ammonoids". Paleontological Journal 50: 131–140. doi:10.1134/S0031030116020039.
13. ↑ "The last Trilobites". https://www.trilobites.info/lasttrilos.htm.
14. ↑ Poschmann, Marjus J.; Rozefelds, Andrew. "The last eurypterid – a southern high-latitude record of sweep-feeding sea scorpion from Australia constrains the timing of their extinction". Historical Biology. doi:10.1080/08912963.2021.1998033. https://www.tandfonline.com/doi/abs/10.1080/08912963.2021.1998033.

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Geological history of Earth

Cenozoic era
(present–66.0 Mya)|

| Quaternary (present–2.588 Mya)|

* Holocene (present–11.784 kya)
* Pleistocene (11.784 kya–2.588 Mya)

|

Neogene (2.588–23.03 Mya)|

* Pliocene (2.588–5.333 Mya)
* Miocene (5.333–23.03 Mya)

Paleogene (23.03–66.0 Mya)|

* Oligocene (23.03–33.9 Mya)
* Eocene (33.9–56.0 Mya)
* Paleocene (56.0–66.0 Mya)

Mesozoic era
(66.0–251.902 Mya)|

| Cretaceous (66.0–145.0 Mya)|

* Late (66.0–100.5 Mya)
* Early (100.5–145.0 Mya)

|

Jurassic (145.0–201.3 Mya)|

* Late (145.0–163.5 Mya)
* Middle (163.5–174.1 Mya)
* Early (174.1–201.3 Mya)

Triassic (201.3–251.902 Mya)|

* Late (201.3–237 Mya)
* Middle (237–247.2 Mya)
* Early (247.2–251.902 Mya)

Paleozoic era
(251.902–541.0 Mya)|

| Permian (251.902–298.9 Mya)|

* Lopingian (251.902–259.8 Mya)
* Guadalupian (259.8–272.3 Mya)
* Cisuralian (272.3–298.9 Mya)

|

Carboniferous (298.9–358.9 Mya)|

* Pennsylvanian (298.9–323.2 Mya)
* Mississippian (323.2–358.9 Mya)

Devonian (358.9–419.2 Mya)|

* Late (358.9–382.7 Mya)
* Middle (382.7–393.3 Mya)
* Early (393.3–419.2 Mya)

Silurian (419.2–443.8 Mya)|

* Pridoli (419.2–423.0 Mya)
* Ludlow (423.0–427.4 Mya)
* Wenlock (427.4–433.4 Mya)
* Llandovery (433.4–443.8 Mya)

Ordovician (443.8–485.4 Mya)|

* Late (443.8–458.4 Mya)
* Middle (458.4–470.0 Mya)
* Early (470.0–485.4 Mya)

Cambrian (485.4–541.0 Mya)|

* Furongian (485.4–497 Mya)
* Miaolingian (497–509 Mya)
* Series 2 (509–521 Mya)
* Terreneuvian (521–541.0 Mya)

Proterozoic eon
(541.0 Mya–2.5 Gya)|

| Neoproterozoic (541.0 Mya–1 Gya)|

* Ediacaran (541.0–~635 Mya)
* Cryogenian (~635–~720 Mya)
* Tonian (~720 Mya–1 Gya)

|

Mesoproterozoic (1–1.6 Gya)|

* Stenian (1–1.2 Gya)
* Ectasian (1.2–1.4 Gya)
* Calymmian (1.4–1.6 Gya)

Paleoproterozoic (1.6–2.5 Gya)|

* Statherian (1.6–1.8 Gya)
* Orosirian (1.8–2.05 Gya)
* Rhyacian (2.05–2.3 Gya)
* Siderian (2.3–2.5 Gya)

Archean eon (2.5–4 Gya)|

| Eras|

* Neoarchean (2.5–2.8 Gya)
* Mesoarchean (2.8–3.2 Gya)
* Paleoarchean (3.2–3.6 Gya)
* Eoarchean (3.6–4 Gya)

|

Hadean eon (4–4.6 Gya)|

|  |

|

kya = thousands years ago. Mya = millions years ago. Gya = billions years ago.
See also: Geologic time scale

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