Paleontological Research

pISSN: 1342-8144• JCR: PALEONTOL RESJapan
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2026 Impact Factor

0.6

Released June 2026 · Based on 2025 citation data

No change vs last year

Impact Factor History

  1. Metric year 2025

    Released

    0.6
  2. Metric year 2024

    0.6

JCR Category Rankings

Journal Citation Reports category rankings
CategoryIndexesQuartile
PALEONTOLOGYSCIEQ4
Q4
JCR Quartile
B4
CAS Block

Paleontological Research current release and JCR quartile

Paleontological Research's newest impact factor is 0.6, released June 17, 2026 and based on 2025 citation data. The journal is listed as JCR Q4 in this Journal Metrics record.

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Current release and source check

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Ranking position in Environmental Science

Ranked #2,347 in Environmental Science by impact factor and #358 among Q4 Environmental Science journals. This context helps compare Paleontological Research against journals publishing in the same field.

#2,347
of 2,765 field journals

Paleontological Research publication trend

Published 123 papers across the last 5 recorded years with a current impact factor of 0.6.

2026 vs 2025: -22
How Journal Metrics uses article volume

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Article Volume

2022
39
2023
36
2024
18
2025
26
2026
4
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