About the Journal

Treatise Online publishes chapters prepared for parts of the Treatise on Invertebrate Paleontology as they are ready, rather than waiting for an entire hard copy Treatise volume to be printed. Chapters from the following Treatise parts are completed, nearing completion, or in preparation: Part E (hypercalcified sponges), Part F (Cnidaria), Part G (bryozoans), Part J (paleozoic gastropoda), Part L (ammonoids), Part M (coleiods), Part N (bivalves), Part P (chelicerates), Part R (decapods), and Part T (crinoids).

The Treatise on Invertebrate Paleontology is published by the Paleontological Institute at the University of Kansas, and receives financial support from the Paleontological Society. 

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2025: no. 185–187
Published: 2025-01-24

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