Spencer G. Lucas

Calcareous paleosols of the Upper Triassic Chinle Group, Four Corners region, southwestern United States: Climatic implications

Tetrapod trace fossils from lowermost Jurassic strata of the Moenave Formation, northern Arizona, USA

The Whitmore Point Member of the Moenave Formation: Early Jurassic Dryland Lakes on the Colorado Plateau, Southwestern USA

RISING OXYGEN LEVELS IN THE LATE TRIASSIC: GEOLOGICAL AND EVOLUTIONARY EVIDENCE

Late Jurassic invertebrate fossils from the Little Hatchet Mountains, southwestern New Mexico

Upper Cretaceous marine strata in the Little Hatchet Mountains, southwestern New Mexico

PLACEMENT OF THE TRIASSIC-JURASSIC BOUNDARY ON THE SOUTHERN COLORADO PLATEAU (USA) WITHIN THE MOENAVE FORMATION

THE MYTH OF MASS EXTINCTION AT THE END OF THE TRIASSIC

THE LATE TRIASSIC CARNIAN WET EPISODE IN THE WESTERN USA AND THE DURATION OF THE NORIAN STAGE

PALEOSOLS OF THE UPPER CARBONIFEROUS-LOWER PERMIAN CUTLER GROUP, NORTHERN NEW MEXICO: PALEOCLIMATIC INTERPRETATION