Search Results - "CHIAPPE, LUIS M."

Identification of a New Hesperornithiform from the Cretaceous Niobrara Chalk and Implications for Ecologic Diversity among Early Diving Birds by Bell, Alyssa, Chiappe, Luis M

“…The Smoky Hill Member of the Niobrara Chalk in Kansas (USA) has yielded the remains of numerous members of the Hesperornithiformes, toothed diving birds from…”
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The Hesperornithiformes: A Review of the Diversity, Distribution, and Ecology of the Earliest Diving Birds by Bell, Alyssa, Chiappe, Luis M.

“…The Hesperornithiformes (sometimes referred to as Hesperornithes) are the first known birds to have adapted to a fully aquatic lifestyle, appearing in the…”
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Anatomy of Parahesperornis: Evolutionary Mosaicism in the Cretaceous Hesperornithiformes (Aves) by Bell, Alyssa, Chiappe, Luis M

“…The Hesperornithiformes constitute the first known avian lineage to secondarily lose flight in exchange for the evolution of a highly derived foot-propelled…”
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Osteology of the axial skeleton of Aucasaurus garridoi : phylogenetic and paleobiological inferences by Baiano, Mattia Antonio, Coria, Rodolfo, Chiappe, Luis M., Zurriaguz, Virginia, Coria, Ludmila

“…Aucasaurus garridoi is an abelisaurid theropod from the Anacleto Formation (lower Campanian, Upper Cretaceous) of Patagonia, Argentina. The holotype of…”
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Convergent evolution in aquatic tetrapods: insights from an exceptional fossil mosasaur by Lindgren, Johan, Caldwell, Michael W, Konishi, Takuya, Chiappe, Luis M

“…Mosasaurs (family Mosasauridae) are a diverse group of secondarily aquatic lizards that radiated into marine environments during the Late Cretaceous (98-65…”
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Flight aerodynamics in enantiornithines: Information from a new Chinese Early Cretaceous bird by Liu, Di, Chiappe, Luis M, Serrano, Francisco, Habib, Michael, Zhang, Yuguang, Meng, Qinjing

“…We describe an exquisitely preserved new avian fossil (BMNHC-PH-919) from the Lower Cretaceous Yixian Formation of eastern Inner Mongolia, China. Although…”
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Dental replacement in Mesozoic birds: evidence from newly discovered Brazilian enantiornithines by Wu, Yun-Hsin, Chiappe, Luis M., Bottjer, David J., Nava, William, Martinelli, Agustín G.

“…Polyphyodonty—multiple tooth generations—in Mesozoic birds has been confirmed since the nineteenth century. Their dental cycle had been assessed through sparse…”
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Exceptionally simple, rapidly replaced teeth in sauropod dinosaurs demonstrate a novel evolutionary strategy for herbivory in Late Jurassic ecosystems by Melstrom, Keegan M, Chiappe, Luis M, Smith, Nathan D

“…Dinosaurs dominated terrestrial environments for over 100 million years due in part to innovative feeding strategies. Although a range of dental adaptations…”
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A species-level phylogeny of the Cretaceous Hesperornithiformes (Aves: Ornithuromorpha): implications for body size evolution amongst the earliest diving birds by Bell, Alyssa, Chiappe, Luis M.

“…Despite extensive discoveries across the globe over the past two centuries, little phylogenetic work has been done on the Hesperornithiformes. Spanning the…”
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Isotopic ordering in eggshells reflects body temperatures and suggests differing thermophysiology in two Cretaceous dinosaurs by Eagle, Robert A., Enriquez, Marcus, Grellet-Tinner, Gerald, Pérez-Huerta, Alberto, Hu, David, Tütken, Thomas, Montanari, Shaena, Loyd, Sean J., Ramirez, Pedro, Tripati, Aradhna K., Kohn, Matthew J., Cerling, Thure E., Chiappe, Luis M., Eiler, John M.

“…Our understanding of the evolutionary transitions leading to the modern endothermic state of birds and mammals is incomplete, partly because tools available to…”
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A diminutive perinate European Enantiornithes reveals an asynchronous ossification pattern in early birds by Knoll, Fabien, Chiappe, Luis M., Sanchez, Sophie, Garwood, Russell J., Edwards, Nicholas P., Wogelius, Roy A., Sellers, William I., Manning, Phillip L., Ortega, Francisco, Serrano, Francisco J., Marugán-Lobón, Jesús, Cuesta, Elena, Escaso, Fernando, Sanz, Jose Luis

“…Fossils of juvenile Mesozoic birds provide insight into the early evolution of avian development, however such fossils are rare. The analysis of the…”
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Avian tail ontogeny, pygostyle formation, and interpretation of juvenile Mesozoic specimens by Rashid, Dana J., Surya, Kevin, Chiappe, Luis M., Carroll, Nathan, Garrett, Kimball L., Varghese, Bino, Bailleul, Alida, O’Connor, Jingmai K., Chapman, Susan C., Horner, John R.

“…The avian tail played a critical role in the evolutionary transition from long- to short-tailed birds, yet its ontogeny in extant birds has largely been…”
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Anatomy and cranial functional morphology of the small-bodied dinosaur Fruitadens haagarorum from the Upper Jurassic of the USA by Butler, Richard J, Porro, Laura B, Galton, Peter M, Chiappe, Luis M

“…Heterodontosaurids are an important but enigmatic and poorly understood early radiation of ornithischian dinosaurs. The late-surviving heterodontosaurid…”
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The lambeosaurine dinosaur Magnapaulia laticaudus from the late cretaceous of Baja California, Northwestern Mexico by Prieto-Márquez, Albert, Chiappe, Luis M, Joshi, Shantanu H

“…The taxonomy, osteology, phylogenetic position, and historical biogeography of the lambeosaurine hadrosaurid Magnapaulia laticaudus (new combination) are…”
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A revision of enantiornithine (Aves: Ornithothoraces) skull morphology by O'Connor, Jingmai K., Chiappe, Luis M.

“…Enantiornithines are the most speciose avian clade in the Mesozoic, with a fossil record that nearly spans the Cretaceous; however, with less than half of…”
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New Bohaiornis -like bird from the Early Cretaceous of China: enantiornithine interrelationships and flight performance by Chiappe, Luis M, Qingjin, Meng, Serrano, Francisco, Sigurdsen, Trond, Min, Wang, Bell, Alyssa, Di, Liu

“…During the last decade, several Bohaiornis -like enantiornithine species—and numerous specimens—have been recognized from the celebrated Jehol Biota of…”
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The Dinosaur Conspiracy by Chiappe, Luis M.

“…Astonishingly, he argues that "cladistic approaches tend to group animals as ecological equivalents (ecomorphs) without any necessary regard to actual…”
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Lower limits of ornithischian dinosaur body size inferred from a new Upper Jurassic heterodontosaurid from North America by Butler, Richard J., Galton, Peter M., Porro, Laura B., Chiappe, Luis M., Henderson, Donald M., Erickson, Gregory M.

“…from the Late Jurassic of western North America that rivals the smallest theropods in size. The largest specimens of…”
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First American Record of the Jurassic Ichnospecies Deltapodus brodricki and a Review of the Fossil Record of Stegosaurian Footprints by Milàn, Jesper, Chiappe, Luis M.

“…We describe the first American stegosaur track of the ichnospecies Deltapodus brodricki, collected in the Upper Jurassic Morrison Formation of San Juan County,…”
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The variability of inner ear orientation in saurischian dinosaurs: testing the use of semicircular canals as a reference system for comparative anatomy by Marugán-Lobón, Jesús, Chiappe, Luis M, Farke, Andrew A

“…The vestibular system of the inner ear houses three semicircular canals-oriented on three nearly-orthogonal planes-that respond to angular acceleration…”
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