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'''Perem''' (ditulis juga sebagai '''Perm''' atau '''Permian''') adalah [[Zaman (geologi)|zaman]] dalam [[skala waktu geologi]] yang berlangsung antara 299,0 ± 0,8 hingga 251,0 ± 0,4 juta tahun yang lalu. Zaman ini merupakan zaman terakhir dalam Masa [[Paleozoikum]]. Zaman Perem dibagi menjadi beberapa [[kala (geologi)|kala]] yaitu [[Lopingium]], [[Guadalupium]], dan
[[Cisuralium]]. Pada akhir Zaman Perem, terjadi periode kepunahan massal yang dikenal sebagai "[[Peristiwa kepunahan Perm–Trias|The Great Dying]]", dengan kematian hewan darat mencapai 80 persen dan kehidupan laut sebanyak 90 persen.<ref>{{Cite web|title=Bagaimana Kepunahan di Periode Permian Dijelaskan? - National Geographic|url=https://nationalgeographic.grid.id/read/13279381/kepunahan-di-periode-permian-terjadi-diduga-akibat-kebakaran-batu-bara|website=nationalgeographic.grid.id|language=id|access-date=2020-08-25}}</ref>
{{Infobox geologic timespan
| name = {{color|white|Perem}}
| color = Permian
| top_bar =
| time_start = 298.9
| time_start_uncertainty = 0.15
| time_end = 251.902
| time_end_uncertainty = 0.024
| image_map =
| caption_map =
| image_outcrop =
| caption_outcrop =
| image_art =
| caption_art =
<!--Chronology-->
| timeline = Permian
<!--Etymology-->
| name_formality = Formal
| name_accept_date =
| alternate_spellings =
| synonym1 =
| synonym1_coined =
| synonym2 =
| synonym2_coined =
| synonym3 =
| synonym3_coined =
| nicknames =
| former_names =
| proposed_names =
<!--Usage Information-->
| usage = Global ([[Komisi Internasional Untuk Stratigrafi|ICS]])
| timescales_used = Skala waktu ICS
<!--Definition-->
| chrono_unit = Periode
| strat_unit = Sistem
| proposed_by =
| timespan_formality = Formal
| lower_boundary_def = [[Datum kemunculan pertama]] [[Conodont]] ''[[Streptognathodus|Streptognathodus isolatus]]'' bersama [[morphotype]] ''[[Streptognathodus|Streptognathodus wabaunsensis]]'' kronoklin.
| lower_gssp_location = [[Aidaralash]], [[Pegunungan Ural]], [[Kazakhstan]]
| lower_gssp_coords = {{Coord|50.2458|N|57.8914|E|display=inline}}
| lower_gssp_accept_date = 1996<ref>{{cite journal |last1=Davydov |first1=Vladimir |last2=Glenister |first2=Brian |last3=Spinosa |first3=Claude |last4=Ritter |first4=Scott |last5=Chernykh |first5=V. |last6=Wardlaw |first6=B. |last7=Snyder |first7=W. |title=Proposal of Aidaralash as Global Stratotype Section and Point (GSSP) for base of the Permian System |journal=Episodes |date=March 1998 |volume=21 |pages=11–18 |doi=10.18814/epiiugs/1998/v21i1/003 |url=https://stratigraphy.org/gssps/files/asselian.pdf |access-date=7 December 2020|doi-access=free }}</ref>
| upper_boundary_def = DKP Conodont ''[[Hindeodus|Hindeodus parvus]]''.
| upper_gssp_location = [[Meishan]], [[Zhejiang]], [[Tiongkok]]
| upper_gssp_coords = {{Coord|31.0798|N|119.7058|E|display=inline}}
| upper_gssp_accept_date = 2001<ref>{{cite journal |last1=Hongfu |first1=Yin |last2=Kexin |first2=Zhang |last3=Jinnan |first3=Tong |last4=Zunyi |first4=Yang |last5=Shunbao |first5=Wu |title=The Global Stratotype Section and Point (GSSP) of the Permian-Triassic Boundary |journal=Episodes |date=June 2001 |volume=24 |issue=2 |pages=102–114 |doi=10.18814/epiiugs/2001/v24i2/004 |url=https://stratigraphy.org/gssps/files/induan.pdf |access-date=8 December 2020|doi-access=free }}</ref>
<!--Atmospheric and Climatic Data-->
}}
== Data ==
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