Kate Marriott

Kate Marriott
City University of New York - Brooklyn College | CUNY · Department of Earth and Environmental Sciences

Master of Science
Applying to PhD programs, always looking for new collaborations.


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Recent MS graduate studying paleontology at Brooklyn College. Current research topics include functional morphology over lytoceratid and ancyloceratid ammonoid ontogeny. Additional interests in fractal and ammonitic-suture geometry, organic calcite deposition, geochemistry, paleoart theory of invertebrates, and conservation paleobiology. Adjunct lecturer in Earth and Environmental Sciences. Finalist in 2018 International Award on Scientific Illustration for work on heteromorphs.
Additional affiliations
August 2021 - present
City University of New York - Brooklyn College
  • Lecturer
July 2018 - September 2019
Astro Gallery of Gems
  • Paleontology Specialist
  • Responsible for sales of mineral and fossil specimens as well as fossil write-ups and identifications, display cases, fossil signage, educating the team on fossils, assisting as in-house paleontologist in others' fossil sales, and leading natural history-themed school tours.
April 2016 - August 2020
Freelance Paleoartist
  • Freelance paleobiological illustrator of (primarily) invertebrates.
August 2019 - May 2021
August 2013 - December 2017
State University of New York at New Paltz
Field of study
  • Visual Arts, Geology
August 2009 - May 2012
Purchase College, State University of New York
Field of study
  • Sculpture and 3D Media


Publications (16)
The isolation of individual saddles and lobes has recently proven to be a valuable tool for the study of ammonite sutures, particularly in order to describe ontogenetic trends or increase sample sizes. Factors for a given ammonite genus can be used to project the correct fractal dimension for a full suture based on step counts from just a section o...
Ontogenetic sequences of ammonite sutures have been uncommonly published since at least the mid-twentieth century. Where available, they commonly show only the juvenile stages of growth, and almost never mature growth phases. Plots of the complexity of sutures represented numerically, as well as ontogenetic sequences representing more than one whor...
Full-text available
Ontogenetic sequencing of suture fractal dimensions from a single ammonite specimen was not previously accessible without extreme measures. The necessity for destruction of the full conch due to whorl overlap or, alternatively, the prohibitively expensive or inaccessible imaging equipment for use by paleontologists has led to this rich source of da...
Full-text available
The discovery of exceptional soft-tissue preservation in the rear mantle of a Jurassic Sigaloceras ammonite (Cherns et al., 2021) represents an extremely significant window into ammonoid anatomy. However, it has implications beyond those explored in Cherns et al.’s paper, which relate largely to mobility, that should also be examined. This exceptio...
The novel coronavirus has presented specimen-access challenges to geoscientific researchers, including paleobiologists interested in fossil ammonoids. Ammonoid sutures are geometric patterns formed by the intersection of the septa and the shell wall, and have long been a diagnostic tool for ammonite researchers for such applications as species iden...
Full-text available
Use of exceptional fossil preservation to extrapolate the life appearance of heteromorphic ammonoids.
Reconstruction of French Turonian heteromorph ammonite Ostlingoceras puzosianum


Cited By


Projects (2)
Ontogenetic sequences of planispiral ammonite sutures