登录注册
Quick Links : Mindat手册The Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
主页关于 MindatMindat手册Mindat的历史版权Who We Are联系我们于 Mindat.org刊登广告
捐赠给 MindatCorporate Sponsorship赞助板页已赞助的板页在 Mindat刊登 广告的广告商于 Mindat.org刊登广告
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
搜索矿物的性质搜索矿物的化学Advanced Locality Search随意显示任何一 种矿物Random Locality使用minID搜索邻近产地Search Articles搜索词汇表更多搜索选项
搜索:
矿物名称:
地区产地名称:
关键字:
 
Mindat手册添加新照片Rate Photos产区编辑报告Coordinate Completion Report添加词汇表项目
Mining Companies统计会员列表Mineral MuseumsClubs & Organizations矿物展及活动The Mindat目录表设备设置The Mineral Quiz
照片搜索Photo GalleriesSearch by Color今天最新的照片昨天最新的照片用户照片相集过去每日精选照片相集Photography

Hirnantian

Hierarchy:Phanerozoic Paleozoic  Ordovician   Late/Upper Ordovician
    Hirnantian
Classification:Age (as per International Commission on Stratigraphy)
Top:443.8 ± 1.5 Ma
Base:445.2 ± 1.4 Ma
Preceeds:Silurian Llandovery  Rhuddanian
Follows:Katian
GSSP:Wangjiawan North section, N of Yichang city, Western Hubei Province, China
GSSP location:30.9841°N, 111.4200°E
GSSP link:View Global Boundary Stratotype Section and Point of the International Commission on Stratigraphy
Fossil Record

Data via PaleoBioDB


Taxa Count Key
First appearance
Extinction
First appearance and extinction
Related precursors
KingdomPhylumClassTaxa Count
AnimaliaAnnelida Polychaeta20
AnimaliaArthropoda Branchiopoda2
AnimaliaArthropoda Cephalocarida1
AnimaliaArthropoda Malacostraca6
AnimaliaArthropoda Merostomata1
AnimaliaArthropoda Ostracoda125
AnimaliaArthropoda Trilobita380
AnimaliaBrachiopoda Chileata7
AnimaliaBrachiopoda Craniata20
AnimaliaBrachiopoda Lingulata76
AnimaliaBrachiopoda Obolellata2
AnimaliaBrachiopoda Rhynchonellata466
AnimaliaBrachiopoda Strophomenata280
AnimaliaBrachiopoda Tommotiida1 ✝
AnimaliaBryozoa Gymnolaemata9
AnimaliaBryozoa Stenolaemata244
AnimaliaChordata Holocephali2
AnimaliaCnidaria Anthozoa250
AnimaliaCnidaria Cubozoa1
AnimaliaCnidaria Hydrozoa2
AnimaliaCnidaria Scyphozoa4
AnimaliaCnidaria Staurozoa4
AnimaliaEchinodermata Asteroidea20
AnimaliaEchinodermata Crinoidea98
AnimaliaEchinodermata Echinoidea5
AnimaliaEchinodermata Holothuroidea12
AnimaliaEchinodermata Ophiuroidea9
AnimaliaHemichordata Pterobranchia22
AnimaliaMollusca Bivalvia203
AnimaliaMollusca Cephalopoda216
AnimaliaMollusca Gastropoda295
AnimaliaMollusca Monoplacophora1
AnimaliaMollusca Polyplacophora11
AnimaliaMollusca Scaphopoda4
AnimaliaPorifera Calcarea11
AnimaliaPorifera Demospongiae14
AnimaliaPorifera Hexactinellida43
BacteriaCyanobacteria Cyanophyceae8
ChromistaForaminifera Globothalamea3
ChromistaForaminifera Monothalamea5
ChromistaForaminifera Tubothalamea7
ChromistaMyzozoa Dinophyceae2
ChromistaRadiozoa Polycystina20
PlantaeChlorophyta Chlorophyceae3
PlantaeChlorophyta Ulvophyceae18
PlantaeRhodophyta Florideophyceae3
PlantaeRhodophyta Rhodophyceae1
PlantaeTracheophyta Magnoliopsida2
 

Geologic Events

Event NameTypeAgeArea
Ordovician–Silurian extinction events (concludes)Mass Extinction Event~455 - ~430 MaGlobal
Caledonian orogeny (concludes)Orogeny~505 - ~400 MaEurope


Overview of geological time

List all geological events
 
矿物 and/or 产地  
Mindat Discussions Facebook Logo Instagram Logo Discord Logo
版权所有© mindat.org1993年至2024年，除了规定的地方。 Mindat.org全赖于全球数千个以上成员和支持者们的参与。
隐私政策 - 条款和条款细则 - 联络我们 - Report a bug/vulnerability Current server date and time: 2024.4.26 15:32:48
Go to top of page