Dresbachian

Key events in the Cambrian

view • discuss •

-550 —

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-540 —

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-530 —

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-520 —

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-510 —

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-500 —

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-490 —

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Ediacaran

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Ordovician

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2

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Fortunian

"Stage 2"

"Stage 3"

"Stage 4"

"Stage 5"

Drumian

Guzhangian

Paibian

Jiangshanian

"Stage 10"

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Baykonur
glaciation

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←

Orsten Fauna

←

Burgess Shale

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Kaili biota

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Archaeocyatha extinction

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Emu Bay Shale

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Sirius Passet biota

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Chengjiang biota

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First Trilobites

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SSF diversification, first brachiopods & archaeocyatha

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First halkieriids, mollusсs, hyoliths SSF

←

Treptichnus pedum trace
Large negative peak δ 13C_carb excursion

←

First Cloudina & Namacalathus mineral tubular fossils

Stratigraphic scale of the ICS subdivisions and Precambrian/Cambrian boundary.

The Dresbachian is a Maentwrogian regional stage of North America, lasting from 501 to 497 million years ago. It is part of the Upper Cambrian and is defined by four trilobite zones. It overlaps with the ICS-stages Guzhangian, Paibian and the lowest Jiangshanian.

词汇	Dresbachian
分类	英语词汇英语翻译词典
释义	Dresbachian /'dresbətʃiən/ 英汉-汉英词典德雷斯巴奇阶词组 \| 习惯用语您要查找的是不是： Eustachian 咽鼓管 enchantress n. 妖妇；女巫；迷人的女子 Dresbachian n. [地质] 德雷斯巴奇阶英语百科 Dresbachian Key events in the Cambrian view • discuss • -550 — – -540 — – -530 — – -520 — – -510 — – -500 — – -490 — – N e o p r o t e r o z o i c P a l e o z o i c Ediacaran C a m b r i a n Ordovician T e r r e n e u v i a n S e r i e s 2 S e r i e s 3 F u r o n g i a n Fortunian "Stage 2" "Stage 3" "Stage 4" "Stage 5" Drumian Guzhangian Paibian Jiangshanian "Stage 10" * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Baykonur glaciation Baykonur glaciation * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ← Orsten Fauna ← Burgess Shale ← Kaili biota ← Archaeocyatha extinction ← Emu Bay Shale ← Sirius Passet biota ← Chengjiang biota ← First Trilobites ← SSF diversification, first brachiopods & archaeocyatha ← First halkieriids, mollusсs, hyoliths SSF ← Treptichnus pedum trace Large negative peak δ 13C_carb excursion ← First Cloudina & Namacalathus mineral tubular fossils Stratigraphic scale of the ICS subdivisions and Precambrian/Cambrian boundary. The Dresbachian is a Maentwrogian regional stage of North America, lasting from 501 to 497 million years ago. It is part of the Upper Cambrian and is defined by four trilobite zones. It overlaps with the ICS-stages Guzhangian, Paibian and the lowest Jiangshanian.
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Dresbachian /'dresbətʃiən/

您要查找的是不是：

Dresbachian