Search Results - "Mapes, Royal H."
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Anatomy and evolution of the first Coleoidea in the Carboniferous
Published in Communications biology (31-07-2019)“…Coleoidea (squids and octopuses) comprise all crown group cephalopods except the Nautilida. Coleoids are characterized by internal shell (endocochleate), ink…”
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2
On Paleozoic platycerate gastropods
Published in Zitteliana (12-12-2023)“…The platycerate gastropods Orthonychia yutaroi Ebbestad, sp. nov. (Ordovician, Boda Limestone, Sweden), O. enorme (Silurian, Sweden, Gotland), O. parva…”
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Syn-vivo bioerosion of Nautilus by endo- and epilithic foraminiferans (New Caledonia and Vanuatu)
Published in PloS one (20-04-2015)“…A variety of syn-vivo bioerosion traces produced by foraminiferans is recorded in shells of Nautilus sampled near New Caledonia and Vanuatu. These are two…”
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4
Caught in the act? Distraction sinking in ammonoid cephalopods
Published in Swiss journal of palaeontology (01-03-2019)“…Two specimens of the Late Mississippian ammonoid cephalopod Metadimorphoceras sp. were recovered from the Bear Gulch Limestone in Montana. This unit was…”
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Elemental mobility in phosphatic shales during concretion growth and implications for provenance analysis
Published in Chemical geology (15-08-2003)“…Shale-normalized rare-earth element (REE) patterns record variable redox conditions in coprolitic phosphorite concretions and their host shales from the…”
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An unusual occurrence of Nautilus macromphalus in a cenote in the Loyalty Islands (New Caledonia)
Published in PloS one (03-12-2014)“…Exploration of a landlocked cenote on Lifou (Loyalty Islands) revealed 37 shells of the cephalopod Nautilus macromphalus Sowerby, 1849, in saltwater on the…”
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Exceptional Cameral Deposits in a Sublethally Injured Carboniferous Orthoconic Nautiloid from the Buckhorn Asphalt Lagerstätte in Oklahoma, USA
Published in Acta palaeontologica Polonica (01-06-2012)“…The cameral and intrasiphonal deposits of a Pennsylvanian straight nautiloid (Pseudorthoceratidae) are studied in order to understand the formation of these…”
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Shell structures in Carboniferous bactritid-like coleoids (Cephalopoda) from South Central USA
Published in GFF (01-09-2012)“…Morphological features of the shell including internal structures of the phragmocones of three different bactritoid cephalopod taxa assigned to the Order…”
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Preferential predatory peeling: Ammonoid vs. nautiloid shells from the Upper Carboniferous of Texas, USA
Published in Geobios (01-01-2012)“…Narrow groove-like excavations on ammonoid and coiled nautiloid shells are rare in Upper Carboniferous units from Texas, USA. The morphological characteristics…”
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Carboniferous orthocerid-like coleoid Mitorthoceras with unique shell structure (new order Tuborthocerida, Coleoidea, Cephalopoda); comparison with bactritid-like coleoid Shimanskya
Published in GFF (03-04-2019)“…The Carboniferous genus Mitorthoceras from USA, previously assigned to orthocerids, is here restudied and assigned to the new coleoid order Tuborthocerida…”
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A Palaeozoic shark with osteichthyan-like branchial arches
Published in Nature (London) (29-05-2014)“…A description of the gill skeleton of a very early fossil shark-like fish shows that it bears more resemblance to gill skeletons from bony fishes rather than…”
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Carboniferous coleoids with mixed coleoid-orthocerid characteristics: a new light on cephalopod evolution
Published in GFF (02-01-2018)“…Orthocerid-like coleoids with mixed orthocerid-coleoid characteristics are described for the first time from the Carboniferous of USA. The appearance of these…”
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The coarse wrinkle layer of Palaeozoic ammonoids: new evidence from the Early Carboniferous of Morocco
Published in Palaeontology (01-07-2014)“…The wrinkle layer is a dorsal shell structure occurring in a number of ammonoids, but its function is still debated. Here, we describe, from Moroccan material…”
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14
Microbial Bioerosion of Erratic Sub-Fossil Nautilus Shells in a Karstic Cenote (Lifou, Loyalty Islands, New Caledonia)
Published in Ichnos (Chur, Switzerland) (02-01-2016)“…In a cenote formed in the limestone karst of Lifou (New Caledonia), more than 35 shells of Nautilus macromphalus were discovered in 35-40 m water depth. Seven…”
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TAPHONOMY OF BACKSHORE VERSUS DEEP-MARINE COLLECTED NAUTILUS MACROMPHALUS CONCHS (NEW CALEDONIA)
Published in Palaios (01-07-2015)“…The extant Nautilus nowadays exclusively lives in the Indo-Pacific Ocean along the slopes of coral reefs, mainly in water depths of 300–400 m. It possesses a…”
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Early Carboniferous (Mississippian) ammonoid biogeography
Published in Geobios (01-01-2012)“…Cluster analyses and non-metric multidimensional scaling of ammonoid assemblages from six successive Early Carboniferous time intervals (two Tournaisian,…”
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Journal Article Conference Proceeding -
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Conservative Evolution in Nautiloid Shell Morphology: Evidence from the Pennsylvanian Nautiloid Metacoceras mcchesneyi from Ohio, USA
Published in Journal of paleontology (01-05-2010)“…Morphometric analyses of shell morphology in the Pennsylvanian nautiloid Metacoceras mcchesneyiMurphy, 1970 (Cephalopoda, Mollusca) recovered from coal mines…”
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THE IMPACT OF HIGH-ENERGY STORMS ON SHALLOW-WATER NAUTILUS (CEPHALOPODA) TAPHONOMY, LIFOU (LOYALTY ISLANDS)
Published in Palaios (01-07-2014)“…Shells of the cephalopod Nautilus macromphalus were collected in 2011 from three bays on the island of Lifou in the South Pacific six months after a tropical…”
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Facies and fauna of the Pennsylvanian Buckhorn Asphalt Quarry deposit: a review and new data on an important Palaeozoic fossil Lagerstätte with aragonite preservation
Published in Facies (01-10-2009)“…The Pennsylvanian Buckhorn Asphalt Quarry contains the best-preserved Palaeozoic mollusc fauna in the world. Early impregnation of mixed…”
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Texanoceras, a New Neptunoceratid Cephalopod Genus from the Upper Pennsylvanian Graham and Caddo Creek Formations in North-Central Texas
Published in Journal of paleontology (01-05-2011)“…A neptunoceratid cephalopod, Texanoceras jacksboroensis n. gen. n. sp., is described from the Virgilian (Upper Pennsylvanian) Graham and Caddo Creek Formations…”
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