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Cambrian Period යනු Paleozoic යුගයේ පළමු කාලපරිච්ඡේදය, එනම් වසර මිලියන 539-485 කට පෙර යුගය වේ.
| Cambrian | |
|---|---|
 Earth in the middle of the Cambrian Period | |
| Chronology | |
| Etymology | |
| Name formality | Formal |
| Usage information | |
| Celestial body | |
| Regional usage | Global () |
| Time scale(s) used | ICS Time Scale |
| Definition | |
| Chronological unit | |
| Stratigraphic unit | |
| First proposed by | , 1835 |
| Time span formality | Formal |
| Lower boundary definition | Appearance of the |
| Lower boundary GSSP | , , Canada 47°04′34″N 55°49′52″W / 47.0762°N 55.8310°W |
| GSSP ratified | 1992 |
| Upper boundary definition | of the . |
| Upper boundary GSSP | Greenpoint section, , , Canada 49°40′58″N 57°57′55″W / 49.6829°N 57.9653°W |
| GSSP ratified | 2000 |
| Atmospheric and climatic data | |
| Sea level above present day | Rising steadily from 4 m to 90 m |
ගැලරිය
-
![image]()
of the Pika Formation (Middle Cambrian) near Helen Lake, Banff National Park, Canada -
![image]()
were very common during this time -
![image]()
was an early marine predator, among the various of the time -
![image]()
was a creature with an unusual body plan; it was probably related to arthropods -
![image]()
was a stem-chordate from the Middle Cambrian -
![image]()
were the trackways of arthropods that walked Cambrian beaches -
![image]()
was a member of group , that is considered to related to modern . -
![image]()
falcatus was a large arthropod for the era
ආශ්‍රිත
- – circa 488 mya
- extinction event—circa 499 mya
- extinction event—circa 513 mya
- (with link directory)
- , the locality where a particular rock type, stratigraphic unit, fossil or mineral species is first identified
මූලාශ්‍ර
- Brasier, Martin; Cowie, John; Taylor, Michael. "Decision on the Precambrian-Cambrian boundary stratotype" (PDF). Episodes. 17. සම්ප්‍රවේශය 6 December 2020.
- Cooper, Roger; Nowlan, Godfrey; Williams, S. H. (March 2001). "Global Stratotype Section and Point for base of the Ordovician System" (PDF). Episodes. 24 (1): 19–28. doi:10.18814/epiiugs/2001/v24i1/005. සම්ප්‍රවේශය 6 December 2020.
- Haq, B. U.; Schutter, SR (2008). "A Chronology of Paleozoic Sea-Level Changes". Science. 322 (5898): 64–8. :2008Sci...322...64H. doi:10.1126/science.1161648. PMID 18832639. 206514545.
භාහිර සබැඳි
- Cambrian period on at the BBC
- Biostratigraphy 2021-02-26 at the Wayback Machine – includes information on Cambrian trilobite
- Dr. Sam Gon's trilobite pages (contains numerous Cambrian trilobites)
- Examples of Cambrian Fossils
- Paleomap Project
විකිපීඩියාව, විකි, සිංහල, පොත, පොත්, පුස්තකාලය, ලිපිය, කියවන්න, බාගන්න, නොමිලේ, නොමිලේ බාගන්න, mp3, වීඩියෝ, mp4, 3gp, jpg, jpeg, gif, png, පින්තූරය, සංගීතය, ගීතය, චිත්‍රපටය, පොත, ක්‍රීඩාව, ක්‍රීඩා., ජංගම දුරකථන, android, ios, apple, ජංගම දුරකථන, samsung, iphone, xiomi, xiaomi, redmi, honor, oppo, nokia, sonya, mi, පීසී, වෙබ්, පරිගණකය
Cambrian Period යන Paleozoic ය ගය පළම ක ලපර ච ඡ දය එනම වසර ම ල යන 539 485 කට ප ර ය ගය ව Cambrian538 8 0 2 485 4 1 9 Ma PreYe Ye O S D C P T J K PgEarth in the middle of the Cambrian PeriodChronologyEtymologyName formalityFormalUsage informationCelestial bodyRegional usageGlobal Time scale s usedICS Time ScaleDefinitionChronological unitStratigraphic unitFirst proposed by 1835Time span formalityFormalLower boundary definitionAppearance of theLower boundary GSSP Canada 47 04 34 N 55 49 52 W 47 0762 N 55 8310 W 47 0762 55 8310GSSP ratified1992Upper boundary definitionof the Upper boundary GSSPGreenpoint section Canada 49 40 58 N 57 57 55 W 49 6829 N 57 9653 W 49 6829 57 9653GSSP ratified2000Atmospheric and climatic dataSea level above present dayRising steadily from 4 m to 90 mග ලර යof the Pika Formation Middle Cambrian near Helen Lake Banff National Park Canada were very common during this time was an early marine predator among the various of the time was a creature with an unusual body plan it was probably related to arthropods was a stem chordate from the Middle Cambrian were the trackways of arthropods that walked Cambrian beaches was a member of group that is considered to related to modern falcatus was a large arthropod for the eraආශ ර ත circa 488 mya extinction event circa 499 mya extinction event circa 513 mya with link directory the locality where a particular rock type stratigraphic unit fossil or mineral species is first identifiedම ල ශ රBrasier Martin Cowie John Taylor Michael Decision on the Precambrian Cambrian boundary stratotype PDF Episodes 17 සම ප රව ශය 6 December 2020 Cooper Roger Nowlan Godfrey Williams S H March 2001 Global Stratotype Section and Point for base of the Ordovician System PDF Episodes 24 1 19 28 doi 10 18814 epiiugs 2001 v24i1 005 සම ප රව ශය 6 December 2020 Haq B U Schutter SR 2008 A Chronology of Paleozoic Sea Level Changes Science 322 5898 64 8 2008Sci 322 64H doi 10 1126 science 1161648 PMID 18832639 206514545 භ හ ර සබ ඳ Cambrian හ සබ ඳ ම ධ ය ව ක ම ධ ය ක මන ස හ ඇත Cambrian period on at the BBC Biostratigraphy 2021 02 26 at the Wayback Machine includes information on Cambrian trilobite Dr Sam Gon s trilobite pages contains numerous Cambrian trilobites Examples of Cambrian Fossils Paleomap Project