James I. Kirkland

Utah Geological Survey — United States

Earth and Planetary Sciences · Physical Sciences

30h-index2.7kcitations130works0.42yr avg
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Research Topics

Paleontology and Evolutionary Biology(56), Paleontology and Stratigraphy of Fossils(38), Evolution and Paleontology Studies(37), Ichthyology and Marine Biology(36), Geology and Paleoclimatology Research(30)

Publications128 total

Differentiating ankylosaur species in the Upper Jurassic Morrison Formation in light of newly recovered skeletal elements of Mymoorapelta maysi from its type locality
Geology of the Intermountain West·2025Open Access
A visual paleontological inventory of Utah’s National Park Service areas
Geology of the Intermountain West·2025Open Access
Revisiting the Cretaceous Mancos Group in Utah—problems, previous methods, and new perspectives on a world-class Cretaceous marine section
Geology of the Intermountain West·2025Open Access
RAISING THE MANCOS SHALE TO A GROUP: JUSTIFICATIONS AND METHODOLOGIES
Abstracts with programs - Geological Society of America·2025
TYPE SECTION OF THE MANCOS SHALE REVISITED, MESA VERDE NATIONAL PARK, COLORADO
Abstracts with programs - Geological Society of America·2025
ORGANIC MATTER PRODUCTION AND PRESERVATION DURING T-R CYCLES OF THE SMOKY HILL MBR. (MIDDLE CONIACIAN-MIDDLE SANTONIAN), MANCOS SHALE, CRETACEOUS WESTERN INTERIOR SEAWAY
Abstracts with programs - Geological Society of America·2025
WHICH SIDE OF WOODSIDE: LITHOSTRATIGRAPHIC CONFUSION AND POTENTIAL RESOLUTION
Abstracts with programs - Geological Society of America·2025
PALEOSOLS IN THE LOWER YELLOW CAT MEMBER OF THE CEDAR MOUNTAIN FORMATION IN EASTERN UTAH INDICATE THAT THE EARLIEST CRETACEOUS (BERRIASIAN) IN THE COLORADO PLATEAU REGION WAS EXCEPTIONALLY WET
Abstracts with programs - Geological Society of America·2025
The first dinosaur postcranial body fossils from the Lower Jurassic Kayenta Formation of Utah
Geology of the Intermountain West·2024Open Access
Dinosaur biostratigraphy of the non-marine Cretaceous of Utah
Geological Society London Special Publications·2024· 4 cited
New Geochronological Age Constraint and Chemostratigraphy for Aptian Lacustrine Strata, Cedar Mountain Formation, Utah
Geochemistry Geophysics Geosystems·2023· 5 citedOpen Access
Berriasian–Valanginian Geochronology and Carbon-Isotope Stratigraphy of the Yellow Cat Member, Cedar Mountain Formation, Eastern Utah, USA
Geosciences·2023· 10 citedOpen Access
SIGNIFICANCE OF A SMALL REGURGITALITE CONTAINING LISSAMPHIBIAN BONES, FROM THE MORRISON FORMATION (UPPER JURASSIC), WITHIN A DIVERSE PLANT LOCALITY DEPOSIT IN SOUTHEASTERN UTAH, USA
Palaios·2022· 6 cited
VALANGINIAN CARBON-ISOTOPE EXCURSION IDENTIFIED AND DATED IN PALEOSOL-BEARING YELLOW CAT MEMBER, CEDAR MOUNTAIN FORMATION, EASTERN UTAH, USA
Abstracts with programs - Geological Society of America·2022
Differentiating early from later diagenesis in a Cretaceous sandstone and petroleum reservoir of the Cedar Mountain Formation, Utah
Rocky Mountain geology·2021· 1 citedOpen Access
A non-averostran neotheropod vertebra (Dinosauria: Theropoda) from the earliest Jurassic Whitmore Point Member (Moenave Formation) in southwestern Utah
Journal of Vertebrate Paleontology·2021· 2 cited
A non-averostran neotheropod vertebra (Dinosauria: Theropoda) from the earliest Jurassic Whitmore Point Member (Moenave Formation) in southwestern Utah
Figshare·2021Open Access
A non-averostran neotheropod vertebra (Dinosauria: Theropoda) from the earliest Jurassic Whitmore Point Member (Moenave Formation) in southwestern Utah
Figshare·2021Open Access
COMBINED CA-ID-TIMS AND CARBON ISOTOPE CHEMOSTRATIGRAPHY TO CORRELATE CRETACEOUS CONTINENTAL STRATA OF THE RUBY RANCH MEMBER OF THE CEDAR MOUNTAIN FORMATION
Abstracts with programs - Geological Society of America·2021· 1 cited
New social insect nests from the Upper Jurassic Morrison Formation of Utah
Geology of the Intermountain West·2020· 5 citedOpen Access
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Frequent Co-authors

Donald D. DeBlieux(6), Celina Suarez(6), William P. Elder(5), Andrew T. McDonald(5), Andrew R. Milner(5), Greg A. Ludvigson(5), Luís Alcalá(5), Lindsay E. Zanno(4), R.M. Joeckel(4), Scott D. Sampson(3), Scott K. Madsen(3), Martin G. Lockley(3), Douglas G. Wolfe(3), Luis A. González(3), Eduardo Espílez(3), Luis Mampel(3), Phil Senter(3), Marina B. Suarez(3), Jeffrey G. Eaton(3), Richard L. Cifelli(2)