Impact Factor
2.60
Journal Citation Impact
Estimated influence, citation density, publishing volume, and citation integrity from the analytics table.
Citation rate
1.61
102 total citations
h5-index
16
h5 depth signal
Cited share
45.3%
29 of 64
Total citations
102
Citation footprint
Metric signal
2.20
External metric anchor
Self-citation
4.9%
5 self-citations
Citations Trend
Monthly Publications Cadence
Citing Geographic Demographics
Germany
77
United States
65
Japan
52
United Kingdom
51
France
42
Citing Fields of Research
Marine Biology
173
Genetics & Genomics
103
Entomology
99
Parasitology
87
Evolutionary Genomics
81
Publishing Activity & Reach
Volume, recency, access pattern, and citing-community signals from the journal analytics record.
All-time article footprint
1,404
Articles tracked across the journal lifetime
Indexed publication set
64
29 cited publications
Last 12 months
34
3.1 publications/month
Open access share
38.2%
13 OA publications in the last year
Leading citing country
Germany
77 citing publications
Leading citing field
Marine Biology
173 citing publications
Latest tracked publication
17 October 2026
10 recent records available
Coverage & Indexing History
v150n1, Mar. 1999-
v150n1, Mar. 1999-
Active Coverage
Research Focus & Classification
Indexed Subjects
Marine Biology
Entomology
Genetics & Genomics
Bacteriology
Parasitology
Evolutionary Genomics
Broad Categories
Biology
Cell Biology
Photoproductivity
Marine Biology
Biochemical Engineering
Bacteriology
MeSH Descriptors
Eukaryota
Latest Publications
Recent article records with DOI-first linking and condensed abstracts.
01
DOI 10.1016/j.protis.2026.126190
Open DOI
Molecular Phylogeny and Taxonomic Revision of the Dictyostelid Social Amoebae (Dictyostelia, Eumycetozoa)
02
DOI 10.1016/j.protis.2026.126188
Open DOI
Integrating free-living amoebae into climate-microbiome and One Health frameworks
03
DOI 10.1016/s1434-4610(26)00040-4
Open DOI
Editorial Board
04
DOI 10.1016/j.protis.2026.126180
Open DOI
A morphological re-appraisal of the loricate choanoflagellate Stephanoeca norrisii Thomsen, 1973, and two related forms, entails the creation of a new genus Ellisoeca gen. nov., for three species - Ellisoeca norrisii comb. nov., E. burtonii sp. nov., and E. canistra sp. nov.
05
DOI 10.1016/j.protis.2026.126178
Open DOI
An updated checklist of testate amoebae in China
06
07
DOI 10.1016/j.protis.2026.126177
Open DOI
Meeting report: 11th international symposium on testate amoebae (ISTA-11 Niagara), Brock University, Canada, June 22–27, 2025
08
DOI 10.1016/j.protis.2026.126176
Open DOI
A first account of fossil centrohelid heliozoans from an ancient Eocene locality near the arctic circle in Canada
09
10
DOI 10.1016/j.protis.2026.126175
Open DOI
Poteriospumella species in Vietnam with remarks on distribution and diversity of the genus
Bibliographical & Catalog Notes
Title from cover.
Also issued online.
Vol. 149, no. 1 (Feb 1998)19990714 Notice published Printed on acid-free paper