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Current Lab Members

Jonathan  Payne

Jonathan Payne, Associate Professor

Department of Geological & Environmental Sciences

Paleontology; Extinction and recovery; Paleoecology; Carbonate petrology and sedimentology; Stable isotope geochemistry of carbonate rocks


Nicolas Goudemand, Post-doctoral Scholar

Department of Geological & Environmental Sciences

I am interested in both the environmental and developmental conditions that shape the morphological evolution of organisms. How for instance changes in the climate and seawater chemistry may influence or may be influenced by the evolution of organisms and ecosystems? How does an ecosystem’s resilience depend on the topology of its food web? How the mechanical properties of the tissues of a given organism or a given organ affect the effective morphospace within which it can evolve? In order to answer these questions and others, I study an extinct group of jawless vertebrates: the conodonts.

My main field of expertise is in Early Triassic conodonts: Taxonomy, Biostratigraphy, Paleoecology, Developmental Biology and Geochemistry.


Matthew Leo Knope, Post-Doctoral Research Fellow

Department of Geological & Environmental Sciences


Katja Meyer, Postdoctoral Scholar

Department of Geological & Environmental Sciences


Silva-Tamayo Juan Carlos Tropical Carbonates Ocean Acidification

Juan Carlos Silva-Tamayo, Postdoctoral Scholar

Department of Geological & Environmental Sciences

I am
currently interested on the use of non-traditional stable isotopes  (Mo, Ca, U, B) as tracers of past periods of
ocean acidification and de-oxygenation. I am particularly interested on investigating the geobioenvironmental conditions during periods
of high pCO2 (i.e. Late Proterozoic Snowball intervals, Permian-Triassic
Transition, Cretaceous OAEs, Cenozoic greenhouse periods).


Noel geologizing at the Book Cliffs, Utah

Noel A Heim, Basic Life Science Research Assoicate

Department of Geological & Environmental Sciences

  • Paleobiology
  • Stratigraphy
  • History of Life Internship Program


Adam B. Jost, Graduate Student, Department of Geological & Environmental Sciences

Department of Geological & Environmental Sciences

The end-Guadalupian extinction event; biogeochemical cycling; isotope geochemistry; evolution of body size


Brian Kelley, Graduate Student, Department of Geological & Environmental Sciences

Department of Geological & Environmental Sciences

I am a PhD candidate working in the paleobiology and carbonate sedimentology research group with Jonathan Payne. I study the development of reef-stabilized, carbonate platform margins in the aftermath of the end-Permian extinction. Specifically, I am investigating the sedimentology and paleoecology of the oldest-known platform-margin reefs of the Mesozoic Era.