Middle Triassic
Multi tool use
System/
Period
|
Series/
Epoch
|
Stage/
Age
|
Age (Ma)
|
|---|
Jurassic
|
Lower/
Early
|
Hettangian
|
younger
|
Triassic
| Upper/
Late
|
Rhaetian
| 201.3
| ~208.5
|
Norian
| ~208.5
| ~227
|
Carnian
| ~227
| ~237
|
Middle
|
Ladinian
| ~237
| ~242
|
Anisian
| ~242
| 247.2
|
Lower/
Early
|
Olenekian
| 247.2
| 251.2
|
Induan
| 251.2
| 251.902
|
Permian
|
Lopingian
|
Changhsingian
|
older
|
Subdivision of the Triassic system
according to the ICS, as of 2018.[1] |
In the geologic timescale, the Middle Triassic is the second of three epochs of the Triassic period or the middle of three series in which the Triassic system is divided. It spans the time between 247.2 Ma and 237 Ma (million years ago). The Middle Triassic is divided into the Anisian and Ladinian ages or stages.
Formerly the middle series in the Triassic was also known as Muschelkalk. This name is now only used for a specific unit of rock strata with approximately Middle Triassic age, found in western Europe.
During this time there were no flowering plants, but instead there were ferns and mosses. Small dinosaurs began to appear like Nyasasaurus and the ichnogenus Iranosauripus.
References
- GeoWhen Database - Middle Triassic
Triassic Period
|
|---|
| Lower/Early Triassic | Middle Triassic | Upper/Late Triassic | | | |
|
Geological history of Earth
|
|---|
Cenozoic era
'"`UNIQ--templatestyles-00000002-QINU`"'
(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 era
(541.0 Mya–1 Gya)
| - Ediacaran (541.0–~635 Mya)
- Cryogenian (~635–~720 Mya)
- Tonian (~720 Mya–1 Gya)
|
|---|
Mesoproterozoic era
(1–1.6 Gya)
| - Stenian (1–1.2 Gya)
- Ectasian (1.2–1.4 Gya)
- Calymmian (1.4–1.6 Gya)
|
|---|
Paleoproterozoic era
(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, Geology Portal
|
^ "International Chronostratigraphic Chart" (PDF). International Commission on Stratigraphy. 2018..mw-parser-output cite.citationfont-style:inherit.mw-parser-output qquotes:"""""""'""'".mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em
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