Journal profile · Zoology

Invertebrate Systematics

ISSN 1445-5226 · eISSN 1447-2600 · CSIRO Publishing · Australia · 12 issues per year · Founded 1987

Invertebrate Systematics: CAS Zone 2 · Biology (2025 upgraded edition); impact factor 2.2; hybrid open access; median 146 days to acceptance (63 articles, last 24 months); community-reported acceptance: 51%; 40 articles in 2025; indexed in SCIE and Scopus.

Impact factor2.2Latest value listed by LetPub
CAS zoneZone 2 · Biology2025 upgraded edition, major category · 2026 Xinrui edition Zone 2 · Biology
Review time146 daysMedian, submission to acceptance · 63 articles, last 24 months · PubMed
APC—No source gives fee information
Acceptance51%Community average
Articles per year402025 · OpenAlex count

Scope

Aims, scope and focus

Invertebrate Systematics is published by CSIRO Publishing and is in Zone 2 of Biology in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Marine Biology and Ecology Research, Subterranean biodiversity and taxonomy and Spider Taxonomy and Behavior Studies, together about 25% of its articles. Its main subfields are Ecology and Genetics. (generated from OpenAlex topic counts and CAS ranking data)

Invertebrate Systematics publishes significant contributions and reviews on the systematics, phylogeny and biogeography of all invertebrate taxa.

From the journal's Aims & Scope

Research area (LetPub): Zoology

Editor-in-chief Gonzalo Giribet MuseumPublisher website

Main research topics OpenAlex counts of recent articles; shares are approximate

  1. Marine Biology and Ecology ResearchEarth and Planetary Sciences10.7%
  2. Subterranean biodiversity and taxonomyEarth and Planetary Sciences7.2%
  3. Spider Taxonomy and Behavior StudiesBiochemistry, Genetics and Molecular Biology7.2%
  4. Lepidoptera: Biology and TaxonomyBiochemistry, Genetics and Molecular Biology6.9%
  5. Parasite Biology and Host InteractionsEnvironmental Science5%
  6. Coral and Marine Ecosystems StudiesEnvironmental Science4.7%
  7. Plant and animal studiesAgricultural and Biological Sciences4.6%
  8. Aquatic Invertebrate Ecology and BehaviorEnvironmental Science4.5%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Biology Zone 2
LevelCategoryZone
MajorBiologyZone 2
MinorZoologyZone 1
MinorEvolutionary BiologyZone 3

Top journal: noReview journal: no

CAS Xinrui Journal Ranking (March 2026)Biology Zone 2
LevelCategoryZone
MajorBiologyZone 2
MinorEvolutionary BiologyZone 3
MinorZoologyZone 1

Top journal: noReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Biology Zone 2
LevelCategoryZone
MajorBiologyZone 2
MinorZoologyZone 1
MinorEvolutionary BiologyZone 3

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
2.2LetPub ·
CiteScore 2026-06
4.1LetPub ·
SJR 2026-06
0.81LetPub ·
SNIP 2026-06
1.4LetPub ·
h-index
45LetPub ·
h-index
60OpenAlex ·
i10-index
514OpenAlex ·
2-year mean citedness
2.62OpenAlex ·
Self-citation rate
4.5%LetPub ·
Share of gold OA articles
20%LetPub ·

Volume

Articles per year
35LetPub ·

Articles by year OpenAlex count · 879 in total · the current year is incomplete

YearArticlesOpen accessCitations
2026221210
2025401783
20243812169
20233210200
20224916372
2021399364

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

Review time from article dates manuscript dates registered with PubMed · to

146 daysMedian, submission to acceptance · P25–P75 99 days – 217 days

Acceptance to online
—
Submission to online
—
Sample
63 articles with submission and acceptance dates (68 in the window); the latest was accepted on

Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".

Other sources

Average review time (community reports)
over 12 weeksLetPub ·
Average acceptance (community reports)
51%LetPub ·

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.

Submission

Article types and submission policies (journal website)

Policy excerpts from the journal's websiteOpen access
Open access Open Access articles

Genomic data improves the resolution of the Haminoea (Gastropoda: Heterobranchia: Cephalaspidea) tree of life and helps delineating species Novel deep-sea commensalism: a new genus and two new species of Myzostomida from the abyssal Pacific Ocean Why facts matter: incomplete evidence and probabilistic induction triggered taxonomic inflation in Cathaica land snails from China (Eupulmonata, Camaenid…

Source ↗Publisher website ·

Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.

Profile

Publication details and official links

Publisher
CSIRO Publishing
Country or region
Australia
Language
English
Frequency
12 issues per year
Founded
1987
ISSN
1445-5226
Electronic ISSN
1447-2600
Latest issue on the website
Volume 40, Issue 8 (August 2026)
Official links

FAQ

Frequently asked questions about Invertebrate Systematics

What CAS zone is Invertebrate Systematics in?

In the 2025 upgraded edition of the CAS Journal Ranking, Invertebrate Systematics is in Zone 2 of Biology, and in Zone 1 of the minor category Zoology / Evolutionary Biology. In the 2026 Xinrui edition it is in Zone 2 of Biology. Zones from different editions, and from major and minor categories, are not interchangeable.

What is the impact factor of Invertebrate Systematics?

The latest impact factor listed by LetPub is 2.2; CiteScore 4.1, h-index 60.

How long does peer review take at Invertebrate Systematics?

Based on the dates recorded on 63 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 146 days (interquartile range 99–217 days); authors report an average review time of over 12 weeks; the community-reported acceptance is “51%”. 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 Invertebrate Systematics?

According to LetPub and DOAJ records, Invertebrate Systematics is indexed in SCIE and Scopus.

Is Invertebrate Systematics open access, and what is the APC?

Invertebrate Systematics 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, Publisher website; 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 2026-08-26). Last updated: .