Journal profile · PALEONTOLOGY
Paleontological Research
ISSN 1342-8144 · Palaeontological Society of Japan · Japan · Quarterly
Paleontological Research: CAS Zone 4 · Earth Sciences (2025 upgraded edition); impact factor 0.59; hybrid open access; review over 12 weeks (community reports); community-reported acceptance: easy; 26 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Paleontological Research is published by Palaeontological Society of Japan and is in Zone 4 of Earth Sciences in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Paleontology and Stratigraphy of Fossils, Geology and Paleoclimatology Research and Marine Biology and Ecology Research, together about 45.8% of its articles. Its main subfields are Paleontology. (generated from OpenAlex topic counts and CAS ranking data)
Paleonotological Research (PR) is a quarterly, peer-reviewed international journal, which focuses on original contributions primarily in the area of paleontology but also covering a wide range of allied sciences. It has been published since 1997 as a successor to the former journal Transactions and Proceedings of the Palaeontological Society of Japan. The emphasis of contributions will include global and local perspectives, and contents can cover all ages (Precambrian to the Quaternary, including the present time).
Source: LetPub
Research area (LetPub): PALEONTOLOGY
Main research topics OpenAlex counts of recent articles; shares are approximate
- Paleontology and Stratigraphy of FossilsEarth and Planetary Sciences19.2%
- Geology and Paleoclimatology ResearchEarth and Planetary Sciences15%
- Marine Biology and Ecology ResearchEarth and Planetary Sciences11.6%
- Paleontology and Evolutionary BiologyEarth and Planetary Sciences7.8%
- Evolution and Paleontology StudiesEarth and Planetary Sciences6.9%
- Ichthyology and Marine BiologyEnvironmental Science4.5%
- Isotope Analysis in EcologyEnvironmental Science4.1%
- Cephalopods and Marine BiologyAgricultural and Biological Sciences3.4%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Earth Sciences Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Earth Sciences | Zone 4 |
| Minor | Paleontology | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Earth Sciences Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Earth Sciences | Zone 4 |
| Minor | Paleontology | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Earth Sciences Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Earth Sciences | Zone 4 |
| Minor | Paleontology | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 0.59LetPub ·
- CiteScore 2026-06
- 1.5LetPub ·
- SJR 2026-06
- 0.28LetPub ·
- SNIP 2026-06
- 0.59LetPub ·
- h-index
- 23LetPub ·
- h-index
- 36OpenAlex ·
- i10-index
- 282OpenAlex ·
- 2-year mean citedness
- 0.62OpenAlex ·
- Self-citation rate
- 16.7%LetPub ·
- Share of gold OA articles
- 12.66%LetPub ·
Volume
- Articles per year
- 15LetPub ·
Articles by year OpenAlex count · 852 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 16 | 14 | 1 |
| 2025 | 26 | 26 | 17 |
| 2024 | 18 | 11 | 19 |
| 2023 | 36 | 21 | 46 |
| 2022 | 39 | 1 | 108 |
| 2021 | 31 | 4 | 215 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
- Average review time (community reports)
- over 12 weeksLetPub ·
- Average acceptance (community reports)
- EasyLetPub ·
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Hybrid open accessLetPub
A subscription journal in which authors can pay to publish their article open access.
No source has fee information yet; check the journal's website.
A hybrid journal charges the APC only when the author chooses open access; publishing under the subscription model is usually free.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Palaeontological Society of Japan
- Country or region
- Japan
- Language
- English
- Frequency
- Quarterly
- ISSN
- 1342-8144
- Official links
- Journal homepage ↗LetPub
- Submission system ↗LetPub
FAQ
Frequently asked questions about Paleontological Research
What CAS zone is Paleontological Research in?
In the 2025 upgraded edition of the CAS Journal Ranking, Paleontological Research is in Zone 4 of Earth Sciences, and in Zone 4 of the minor category Paleontology. In the 2026 Xinrui edition it is in Zone 4 of Earth Sciences. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Paleontological Research?
The latest impact factor listed by LetPub is 0.59; CiteScore 1.5, h-index 36.
How long does peer review take at Paleontological Research?
Authors report an average review time of over 12 weeks; the community-reported acceptance is “Easy”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Which databases index Paleontological Research?
According to LetPub and DOAJ records, Paleontological Research is indexed in SCIE and Scopus.
Is Paleontological Research open access, and what is the APC?
Paleontological Research is a hybrid journal. Fee information is not available yet; check the journal's website.
Sources and updates
The facts on this page come from LetPub, OpenAlex; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .