Search Results - "Geisler, Jonathan"

A supermatrix analysis of genomic, morphological, and paleontological data from crown Cetacea by Geisler, Jonathan H, McGowen, Michael R, Yang, Guang, Gatesy, John

“…Cetacea (dolphins, porpoises, and whales) is a clade of aquatic species that includes the most massive, deepest diving, and largest brained mammals…”
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The Origin of High-Frequency Hearing in Whales by Churchill, Morgan, Martinez-Caceres, Manuel, de Muizon, Christian, Mnieckowski, Jessica, Geisler, Jonathan H.

“…Odontocetes (toothed whales) rely upon echoes of their own vocalizations to navigate and find prey underwater [1]. This sensory adaptation, known as…”
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Whale Evolution: Dispersal by Paddle or Fluke by Geisler, Jonathan H.

“…A 43 million-year-old fossil whale from Peru marks the first record of whales in the Western Hemisphere. Its large feet were used for swimming, but a wide tail…”
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The origins of the killer whale ecomorph by Bianucci, Giovanni, Geisler, Jonathan H., Citron, Sara, Collareta, Alberto

“…The killer whale (Orcinus orca) and false killer whale (Pseudorca crassidens) are the only extant cetaceans that hunt other marine mammals, with pods of the…”
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Attenuated evolution of mammals through the Cenozoic by Goswami, Anjali, Noirault, Eve, Coombs, Ellen J., Clavel, Julien, Fabre, Anne-Claire, Halliday, Thomas J. D., Churchill, Morgan, Curtis, Abigail, Watanabe, Akinobu, Simmons, Nancy B., Beatty, Brian L., Geisler, Jonathan H., Fox, David L., Felice, Ryan N.

“…The Cenozoic diversification of placental mammals is the archetypal adaptive radiation. Yet, discrepancies between molecular divergence estimates and the…”
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New records of the dolphin Albertocetus meffordorum (Odontoceti: Xenorophidae) from the lower Oligocene of South Carolina: Encephalization, sensory anatomy, postcranial morphology, and ontogeny of early odontocetes by Boessenecker, Robert W, Ahmed, Erum, Geisler, Jonathan H

“…We report five new specimens of xenorophid dolphins from North and South Carolina. Four of the specimens represent the xenorophid Albertocetus meffordorum,…”
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The Origin of Filter Feeding in Whales by Geisler, Jonathan H., Boessenecker, Robert W., Brown, Mace, Beatty, Brian L.

“…As the largest known vertebrates of all time, mysticetes depend on keratinous sieves called baleen to capture enough small prey to sustain their enormous size…”
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Evolution: More Mysticete Mysteries by Geisler, Jonathan H.

“…Fossils of one of the oldest relatives to baleen-bearing whales have been described from Antarctica. Aspects of its anatomy cast doubt on conventional views…”
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A toothless dwarf dolphin (Odontoceti: Xenorophidae) points to explosive feeding diversification of modern whales (Neoceti) by Boessenecker, Robert W., Fraser, Danielle, Churchill, Morgan, Geisler, Jonathan H.

“…Toothed whales (Odontoceti) are adapted for catching prey underwater and possess some of the most derived feeding specializations of all mammals, including the…”
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Evolution of cranial telescoping in echolocating whales (Cetacea: Odontoceti) by Churchill, Morgan, Geisler, Jonathan H., Beatty, Brian L., Goswami, Anjali

“…Odontocete (echolocating whale) skulls exhibit extreme posterior displacement and overlapping of facial bones, here referred to as retrograde cranial…”
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Evolution: Hearing and Feeding in Fossil Whales by Geisler, Jonathan H.

“…The evolution of whales marks one of the major transitions in the history of mammals. Two new studies provide key insights into the evolution of hearing…”
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A new inioid (Cetacea, Odontoceti, Delphinida) from the Miocene of Peru and the origin of modern dolphin and porpoise families by Lambert, Olivier, Bianucci, Giovanni, Urbina, Mario, Geisler, Jonathan H.

“…In this paper we describe Brujadelphis ankylorostris gen. nov., sp. nov., a new delphinidan (Cetacea, Odontoceti, Delphinida), based on a well-preserved skull…”
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A new fossil species supports an early origin for toothed whale echolocation by Geisler, Jonathan H., Colbert, Matthew W., Carew, James L.

“…Phylogenetic analysis of a new species of fossil toothed whale, Cotylocara macei , from the Oligocene epoch places it in a basal clade of odontocetes, and its…”
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Convergent Evolution of Swimming Adaptations in Modern Whales Revealed by a Large Macrophagous Dolphin from the Oligocene of South Carolina by Boessenecker, Robert W., Churchill, Morgan, Buchholtz, Emily A., Beatty, Brian L., Geisler, Jonathan H.

“…Modern whales and dolphins are superbly adapted for marine life, with tail flukes being a key innovation shared by all extant species. Some dolphins can exceed…”
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Further assessment of the clinical relevance of anatomical structures through PubMed and other measures by Hira, Sarika, Dahl, Eric J, Maharjan, Kasmika, Geisler, Jonathan H

“…A previous paper has demonstrated a statistically significant moderate correlation between the number of citations obtained from PubMed and a Delphi study for…”
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A phylogenetic blueprint for a modern whale by Gatesy, John, Geisler, Jonathan H., Chang, Joseph, Buell, Carl, Berta, Annalisa, Meredith, Robert W., Springer, Mark S., McGowen, Michael R.

“…[Display omitted] ► The origin of Cetacea (whales) represents a key macroevolutionary transition within Mammalia. ► We assess the distribution of support among…”
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The tempo of cetacean cranial evolution by Coombs, Ellen J., Felice, Ryan N., Clavel, Julien, Park, Travis, Bennion, Rebecca F., Churchill, Morgan, Geisler, Jonathan H., Beatty, Brian, Goswami, Anjali

“…The evolution of cetaceans (whales and dolphins) represents one of the most extreme adaptive transitions known, from terrestrial mammals to a highly…”
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New Skeletons of the Ancient Dolphin Xenorophus sloanii and Xenorophus simplicidens sp. nov. (Mammalia, Cetacea) from the Oligocene of South Carolina and the Ontogeny, Functional Anatomy, Asymmetry, Pathology, and Evolution of the Earliest Odontoceti by Boessenecker, Robert W., Geisler, Jonathan H.

“…The early diverging, dolphin-sized, cetacean clade Xenorophidae are a short-lived radiation of toothed whales (Odontoceti) that independently evolved two…”
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New specimens and species of the Oligocene toothed baleen whale Coronodon from South Carolina and the origin of Neoceti by Boessenecker, Robert W, Beatty, Brian L, Geisler, Jonathan H

“…Baleen whales (Mysticeti) are gigantic filter-feeding cetaceans possessing the unique soft tissue structure baleen and lacking adult teeth; Oligocene fossils…”
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Quantifying research on anatomical structures, a potential new metric for assessing clinical relevance by Dahl, Eric J., Hira, Sarika, Geisler, Jonathan H.

“…Human anatomy remains an integral part of medical education, and recent studies have documented an emerging consensus on the key anatomical learning objectives…”
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