List of index fossils

Index fossil - fossils used to define and identify geologic periods. Article "List of index fossils" in English Wikipedia has 26.8 points for quality (as of July 1, 2025). The article contains 1 references and 2 sections.

This article has the best quality in Hungarian Wikipedia. However, this article is the most popular in English version.

In June 2025 the article "List of index fossils" was edited by 2 authors in English Wikipedia and written by 5 authors in all languages.

Since the creation of article "List of index fossils", its content was written by 167 registered users of English Wikipedia and edited by 578 registered Wikipedia users in all languages.

The article is cited 17 times in English Wikipedia and cited 1034 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #2402 in March 2002
• Global: #2812 in March 2002

The highest popularity rank from 2008:

• Local (English): #225665 in March 2018
• Global: #79683 in March 2009

There are 25 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Hungarian (hu) Korjelző fosszília		64.3607
2	English (en) List of index fossils		26.8404
3	Vietnamese (vi) Danh sách hóa thạch chỉ thị		23.1507
4	Bulgarian (bg) Ръководна вкаменелост		23.11
5	Basque (eu) Fosil gida		20.6717
6	German (de) Leitfossil		19.8794
7	French (fr) Fossile stratigraphique		17.3684
8	Arabic (ar) مؤشر أحفوري		17.2975
9	Korean (ko) 표준 화석		16.3997
10	Catalan (ca) Fòssil director		15.7951

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "List of index fossils" in all the time

#	Language	Popularity award	Relative popularity
1	Japanese (ja) 示準化石		369 112
2	German (de) Leitfossil		314 476
3	Polish (pl) Skamieniałość przewodnia		262 253
4	English (en) List of index fossils		256 261
5	Spanish (es) Fósil guía		218 496
6	French (fr) Fossile stratigraphique		216 586
7	Portuguese (pt) Fóssil de idade		156 182
8	Thai (th) ซากดึกดำบรรพ์ดัชนี		126 960
9	Italian (it) Fossile guida		108 607
10	Chinese (zh) 指準化石		62 115

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "List of index fossils" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) List of index fossils		900
2	French (fr) Fossile stratigraphique		471
3	Japanese (ja) 示準化石		449
4	Chinese (zh) 指準化石		366
5	German (de) Leitfossil		296
6	Spanish (es) Fósil guía		281
7	Portuguese (pt) Fóssil de idade		177
8	Italian (it) Fossile guida		159
9	Polish (pl) Skamieniałość przewodnia		141
10	Russian (ru) Руководящие ископаемые		141

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "List of index fossils" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) List of index fossils		167
2	German (de) Leitfossil		80
3	French (fr) Fossile stratigraphique		48
4	Spanish (es) Fósil guía		31
5	Polish (pl) Skamieniałość przewodnia		31
6	Japanese (ja) 示準化石		30
7	Dutch (nl) Gidsfossiel		27
8	Chinese (zh) 指準化石		23
9	Portuguese (pt) Fóssil de idade		21
10	Russian (ru) Руководящие ископаемые		21

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "List of index fossils" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) List of index fossils		2
2	Spanish (es) Fósil guía		2
3	French (fr) Fossile stratigraphique		1
4	Arabic (ar) مؤشر أحفوري		0
5	Belarusian (be) Кіравальныя выкапні		0
6	Bulgarian (bg) Ръководна вкаменелост		0
7	Catalan (ca) Fòssil director		0
8	Czech (cs) Vůdčí fosilie		0
9	German (de) Leitfossil		0
10	Basque (eu) Fosil gida		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "List of index fossils" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	German (de) Leitfossil		204
2	Chinese (zh) 指準化石		89
3	Dutch (nl) Gidsfossiel		81
4	Japanese (ja) 示準化石		80
5	Polish (pl) Skamieniałość przewodnia		79
6	Italian (it) Fossile guida		72
7	French (fr) Fossile stratigraphique		61
8	Arabic (ar) مؤشر أحفوري		60
9	Spanish (es) Fósil guía		49
10	Portuguese (pt) Fóssil de idade		48

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#	Language	Value
ar	Arabic مؤشر أحفوري
be	Belarusian Кіравальныя выкапні
bg	Bulgarian Ръководна вкаменелост
ca	Catalan Fòssil director
cs	Czech Vůdčí fosilie
de	German Leitfossil
en	English List of index fossils
es	Spanish Fósil guía
eu	Basque Fosil gida
fr	French Fossile stratigraphique
hu	Hungarian Korjelző fosszília
it	Italian Fossile guida
ja	Japanese 示準化石
ka	Georgian სახელმძღვანელო ნამარხები
ko	Korean 표준 화석
nl	Dutch Gidsfossiel
pl	Polish Skamieniałość przewodnia
pt	Portuguese Fóssil de idade
ru	Russian Руководящие ископаемые
sk	Slovak Vedúca skamenelina
sv	Swedish Zonfossil
th	Thai ซากดึกดำบรรพ์ดัชนี
uk	Ukrainian Керівні копалини
vi	Vietnamese Danh sách hóa thạch chỉ thị
zh	Chinese 指準化石

Best Rank

English: #225665 03.2018

Global: #79683 03.2009

Best Rank

English: #2402 03.2002

Global: #2812 03.2002

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information