Steven Holland

Professor of Geology and Marine Sciences

Evelyn Locke-Tittle

1^st year M.S. student

Julian Walicki

1^st year M.S. student

Ellie Hurd

undergraduate student

Chloe Myers

undergraduate student

Hailey Bos

undergraduate student

Katharine (Katie) Loughney

2020–2022

Stratigraphic paleobiology of extensional basins, Neogene, Nevada

Silvia Danise

2015–2016

Stratigraphic paleobiology of the marine Jurassic of Wyoming and adjacent states

Spencer Shroyer

M.S.: 2024–2026

Using ecological gradients in offshore facies to infer stacking patterns: Pennsylvanian Breathitt Group of Eastern Kentucky, U.S.A.

Elise Bortell

M.S.: 2024–2026

The relationships between coal thickness, ash, sulfur, and sequence-stratigraphic position: Pennsylvanian Breathitt Group, Eastern Kentucky, USA

Emily Jackson

M.S.: 2023–2025

Paleosols and sequence-stratigraphic architecture: a test in the Cloverly Formation of Wyoming.

Gaia (Cade) Orchard

M.S.: 2022–2024

Nonmarine stratigraphic architecture in response to transgression: a test in the Cretaceous Cloverly Formation of Wyoming

Marjean (Marjie) Cone

M.S.: 2021–2023

Testing for climate and elevation controls on Pennsylvanian plant communities in valley fills of the Breathitt Group in eastern Kentucky.

Elliot Blake

M.S.: 2020–2022

Controls on the occurrence of vertebrate tracks in the Jurassic Gypsum Spring and Sundance Formations, Bighorn Basin, U.S.A.

Max Deckman

M.S.: 2019–2022

A reinterpretation of the Triassic Crow Mountain and Popo Agie Formations as a distributive fluvial system, Wind River Basin, Wyoming.

Samantha Khatri

M.S.: 2019–2022

Sequence-stratigraphic controls on the occurrence of dinosaur fossils in the Hell Creek Formation

Anik Regan

M.S.: 2019–2022

Sequence-stratigraphic control on the nonmarine fossil record: a test in the Judith River Formation of north–central Montana

Garett Brown

Ph.D.: 2016–2020

Beyond water depth: the environmental controls on marine benthic invertebrate assemblages in the modern and fossil record

Sydney Lee

M.S.: 2108–2020

Testing two paleogeographic interpretations of the Jurassic of western North America

Pedro Monarrez

Ph.D.: 2014–2019

Testing the role of escalation on Jurassic macroevolutionary patterns.

Matt Hess

M.S.: 2017–2019

Sequence-stratigraphic architecture and facies of the Middle to Upper Jurassic Preuss and Stump formations

Sierra Swenson

M.S.: 2017–2019

Integrated sequence stratigraphy and paleobiology of the Ellis Group of Montana: implications for the history and communities of the Sundance Seaway

Sarah Wright

M.S.: 2015–2017

The falling-stage progradation of an open-coast tidal flat: UAV-assisted sequence stratigraphy of the Jurassic Windy Hill Sandstone, Wyoming.

Bolton Howes

M.S.: 2015–2017

Sequence stratigraphic expression of flexural subsidence: Middle Jurassic Twin Creek Limestone, Wyoming, U.S.A.

Annaka Clement

M.S.: 2013–2015

The sequence stratigraphy of the Middle Jurassic Gypsum Spring and Piper Formations in the eastern Bighorn Basin of Wyoming, U.S.A.

Kris Kusnerik

M.S.: 2013–2015

Community paleoecology and biogeography of the Jurassic (Bajocian–Oxfordian) Sundance Seaway in the Bighorn Basin of Wyoming and Montana, U.S.A.

Chelsea Jenkins

M.S.: 2012‐2014

Are biogeographic provinces discrete or gradational: a test in the Late Ordovician of Laurentia.

Chris Ginn

M.S.: 2012‐2014

Sequence stratigraphy of the Silurian Clinch Formation, northeastern Tennessee and southwestern Virginia.

Judi Sclafani

M.S.: 2011–2013

Testing the species–area relationship through Hubbell’s theta in Late Ordovician marine communities of Laurentia

Ally Platsky

M.S.: 2011–2013

The effect of eustatic period on changes in Hubbell’s theta

Sharon McMullen

M.S.: 2010–2012

The occurrence of vertebrate and invertebrate fossils in a sequence stratigraphic context: The Jurassic Sundance Formation, Bighorn Basin, Wyoming, USA.

Max Christie

M.S.: 2009–2011

Contrasting the ecological and taxonomic intensity of extinction

Andrew Zaffos

M.S.: 2008–2010

Abundance and extinction at the Ordovician/Silurian boundary of the Cincinnati Arch, USA.

Noel Heim

Ph.D.: 2004–2008

The spatial structure of biodiversity in the fossil record: contrasting global, continental, and regional responses to climate change

Karen Layou

Ph.D.: 2003–2007

Paleocommunity response to extinction: an example from the Late Ordovician (Mohawkian) of the Appalachian Basin of the eastern United States

Jessica Allen

M.S.: 2001–2003

Facies and sequence stratigraphic analysis of the Harding Sandstone, Colorado

Gayle Levy

M.S.: 1999–2002

Landmark analysis of the brachiopod Sowerbyella rugosa: a test of stasis

Dan Hunter

M.S.: 1997–2000

Petrographic and geochemical evidence of subaerial exposure at temperate carbonate sequence boundaries, Upper Ordovician, Nashville Dome, Tennessee

Andrew Benson

M.S.: 1995–1998

Cause and regional extent of the mid-Ordovician positive δ¹³C isotope excursion

Josh Sternberg

M.S.: 1994–1997

Testing a Middle Ordovician sequence boundary for chronostratigraphic significance

Alan Peoples

M.S.: 1994–1997

Application of the parasequence model to the Cretaceous Dakota Group in Cañon City, Colorado

John Jordan

M.S.: 1994–1997

Sequence stratigraphy of a carbonate–siliciclastic transition in the Upper Mississippian and Lower Pennsylvanian of the southern Appalachians

Polly Bouker

M.S.: 1993–1996

Using multivariate statistics to quantify tempestite proximality: Silurian Red Mountain Formation, Ringgold Gap, Georgia

Hailey Bos

2025–2026

Sequence-stratigraphic architecture of the Claiborne Aquifer, southwest Georgia: implications for aquifer characteristics AND Using sandstone petrography to evaluate two subaerial unconformities in the Lower Cretaceous Cloverly Formation of the Bighorn Basin, Wyoming

Sydney Shatz

2020

Tectonic provenance and source areas of the Jurassic Fernie Formation, southern Alberta

Michael (Skip) Sleister

2019

Tectonic provenance of the Jurassic Preuss and Stump Formations, Wyoming and Idaho

Jack Simmons

2017

Tectonic provenance and source areas of Jurassic sandstones, Wyoming

Austin Poncelet

2016

Paleoclimate indicators in Jurassic limestone, Wyoming

Sydne Workman

2015

Well-log correlations of the marine Jurassic, Bighorn Mountains to Black Hills

Jason Burwell

2015

Well-log correlations of the marine Jurassic, Bighorn Mountains to Idaho

Daniel Graybeal

2014

Jurassic paleogeography of western North America

Rachel Cheatham

2012

Mississippian paleocommunities of Center Hill Lake, Tennessee

Sean Cameron

2012

Sequence architecture and well-log analysis, Sundance Formation, Bighorn Basin, Wyoming

Jordan Carney

2012

Bryozoan associations along the C5 onshore–offshore gradient, Cincinnati Arch, USA

Leanne Hancock

2012

Bryozoan associations along the C5 onshore–offshore gradient, Cincinnati Arch, USA

Morgan Rosenberg

2011

Bryozoans of the Bighorn Dolomite, Wyoming

Jon Primm

2011

Bryozoan distribution along an onshore–offshore gradient, Cincinnatian Series, Southern Indiana

Kirk Fraley

2010

Depositional environments of cliff-forming Carboniferous sandstones in northwest Georgia

Joshua Miller

2010

Well-log correlations in the Ordovician Bighorn Dolomite in Wyoming and portions of surrounding states

David DuBose

2009

Well-log correlations and interpretations in the Sundance Formation, Bighorn Basin, Wyoming

Eric Hogan

2008

Clay mineralogy of Pennsylvanian deltaic shales from the Breathitt Group, Flat Lick, Kentucky, USA

Kathryn Hoffmeister

2008

Using paleoecology to interpret a deltaic sequence of the Breathitt Group at Flat Lick, eastern Kentucky, USA

Tori Hanson

2003

Testing changes in preferred habitat within marine genera of the North American Ordovician