University of Kansas Paleontological Institute

10/10/2026

Come visit us at GSA Denver 2026. We'll be in booth #632. We're looking forward to seeing you.

Join thousands of geoscientists at GSA Connects 2026 for cutting-edge science, field trips, career growth, networking, and the latest in geoscience innovation.

10/07/2026

The Paleontological Institute is pleased to announce the publication of the latest article in Treatise Online: https://journals.ku.edu/treatiseonline.

Schweitzer, C. E. & E. V. Mychko. 2026.
Treatise Online no. 198: Part R, Revised, Volume 1:
Systematic descriptions: Cyclida.
Treatise Online 198:1–19, 10 fig.

https://journals.ku.edu/treatiseonline/article/view/26261

Treatise Online no. 198: Part R, Revised, Volume 1, Systematic descriptions: Cyclida Authors Carrie E. Schweitzer Kent State University, Eduard V. Mychko Shirshov Institute of Oceanology, Russian Academy of Sciences DOI: https://doi.org/10.17161/to.vi.26261 Keywords: Cyclida, Cycloidea, Cyclidae, Al...

08/28/2026

The Paleontological Institute is pleased to announce the publication of the latest article in Treatise Online: https://journals.ku.edu/treatiseonline.

Sandoval, J. & M. K. Howarth. 2026.
Treatise Online no. 197: Part L, Revised, Volume 3B:
Jurassic ammonites: Systematic descriptions of the Jurassic Strigoceratoidea and Haploceratoidea.
Treatise Online 197:1–110, 42 fig.

https://journals.ku.edu/treatiseonline/article/view/26039

Treatise Online no. 197: Part L, Revised, Volume 3B, Jurassic ammonites: Systematic descriptions of the Jurassic Strigoceratoidea and Haploceratoidea Authors José Sandoval Departamento de Estratigrafía y Paleontología, Universidad de Granada Michael K. Howarth Department of Earth Sciences, The Na...

05/22/2026

The Paleontological Institute is sad to announce the passing of Richard Robison on April 24, 2026 at age 93. He was a distinguished professor of geology at the University of Kansas for many years, and served as Director of the Paleontological Institute from 1977–1985 and editor of several volumes of the Treatise on Invertebrate paleontology. His obituary can be found here:

View Richard Robison's obituary, send flowers and sign the guestbook.

05/21/2026

The Paleontological Institute is pleased to announce the publication of the latest article in Paleontological Contributions: https://journals.ku.edu/paleocontributions/index.

Neha Sharma, Snehil Nandi, and Subhronil Mondal. 2026.
The Compendium of the Phanerozoic Type Species of the Class Bivalvia and its Applications.
Paleontological Contributions 24:1–6, 1 table, 1 appendix.

https://journals.ku.edu/paleocontributions/article/view/25546

The Compendium of the Phanerozoic Type Species of the Class Bivalvia and its Applications Authors Neha Sharma Department of Earth Sciences, Indian Institute of Science Education and Research Snehil Nandi Department of Earth Sciences, Indian Institute of Science Education and Research Subhronil Monda...

04/02/2026

The Paleontological Institute has made available previously published books from our Paleontological Contributions series. You can now find all books written by Daniel Merriam, KU Department of Geology and Kansas Geological Survey historian, and Richard Gentile’s “Rocks and Fossils of the Central United States” on the KU Libraries ScholarWorks site.

03/06/2026

Treatise on Invertebrate Paleontology author, Carrie Schweitzer, has recently published the article “Benchmarking the global biodiversity of decapod crustaceans in the fossil record” which references the Part R, Decapoda revision of the Treatise on Invertebrate Paleontology.

Abstract. An assessment of the biodiversity of decapod crustaceans over geologic time (through 31 December 2024) records 4,225 species, 1,284 genera, and 1

03/03/2026

The Paleontological Institute is pleased to announce the publication of the latest article in Treatise Online: https://journals.ku.edu/treatiseonline.

Schweitzer, C. E., Karasawa, H., & J. Luque. 2026.
Treatise Online no. 196: Part R, Revised, Volume 1:
Evolutionary history of decapod groups: Brachyura (sections Dromiacea, Homoloida, Callichimaeroida, Torynommoida, Etyoida, Raninoida, Dakoticancroida, Cyclodorippoida).
Treatise Online 196:1–39, 8 fig.

https://journals.ku.edu/treatiseonline/article/view/25213

Treatise Online no. 196: Part R, Revised, Volume 1, Evolutionary history of decapod groups: Brachyura (sections Dromiacea, Homoloida, Callichimaeroida, Torynommoida, Etyoida, Raninoida, Dakoticancroida, Cyclodorippoida) Authors Carrie E. Schweitzer Department of Earth Sciences, Kent State University...

02/25/2026

The Paleontological Institute is pleased to announce the addition of our last two published volumes to our online Treatise on Invertebrate Paleontology open access platform.
Both Part B, Prokaryota (2023) and Part V, 2nd Revision, Hemichordata (2023) – as well as all other volumes published since 1953 - are now freely available for download.

https://journals.ku.edu/InvertebratePaleo/issue/archive

For those of you who enjoy the look and feel of hard copy volumes, they can still be purchased through our website:

https://secure.touchnet.net/C21581_ustores/web/store_main.jsp?STOREID=66&clearPreview=true

01/29/2026

The Paleontological Institute is pleased to announce the publication of the latest two articles in Treatise Online: https://journals.ku.edu/treatiseonline.

Treatise Online 194, Part X, A Dictionary of Invertebrate Paleontology: Letter Q, is the first entry in a new addition to the Treatise!

Saether, K. P., Carlson, S. J., Rindsberg, A. K., & L. H. Vallon. 2026.
Treatise Online no. 194: Part X:
A Dictionary of Invertebrate Paleontology: Letter Q
Treatise Online 194:1–32, 3 fig.

https://journals.ku.edu/treatiseonline/article/view/25066

Also

Schweitzer, C. E., & F. R. Schram. 2026.
Treatise Online no. 195: Part R, Revised, Volume 1:
Evolutionary history of decapod groups: origins of decapoda
Treatise Online 195:1–16, 3 fig.

https://journals.ku.edu/treatiseonline/article/view/25067

Paleontological Institute, University of Kansas, Malott Hall1532 Jayhawk Blvd., Room 1023, Lawrence, KS 66045-7594, [email protected] (785) 864-3338