INVESTIGADORES
MELCHOR Ricardo Nestor
artículos
BELTRÁN, MARISOL; BODNAR, JOSEFINA; MELCHOR, RICARDO
The genera Heidiphyllum and Dordrechtites, and associated fossil wood from the Triassic Ischichuca Formation, northwestern Argentina
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES; Año: 2021 vol. 107
MARCHETTI, LORENZO; BELVEDERE, MATTEO; VOIGT, SEBASTIAN; KLEIN, HENDRIK; CASTANERA, DIEGO; DÍAZ-MARTÍNEZ, IGNACIO; MARTY, DANIEL; XING, LIDA; FEOLA, SILVERIO; MELCHOR, RICARDO N.
Reply to discussion of “Defining the morphological quality of fossil footprints. Problems and principles of preservation in tetrapod ichnology with examples from the Palaeozoic to the present” by Marchetti et al. (2019)
EARTH-SCIENCE REVIEWS; Año: 2020 vol. 208
UMAZANO, ALDO M.; MELCHOR, RICARDO N.
Volcaniclastic sedimentation influenced by logjam breakups? An example from the Blanco River, Chile
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES; Año: 2020 vol. 98
MELCHOR, RICARDO N.; UCHMAN, ALFRED; STEEL, RONALD J.
Avian diversity and behavior in an Eocene coastal plain, Svalbard: the ichnological evidence
ICHNOS-AN INTERNATIONAL JOURNAL FOR PLANT AND ANIMAL TRACES; Año: 2020 p. 1 - 10
CARDONATTO, MARÍA CRISTINA; MELCHOR, RICARDO NÉSTOR
RECOGNITION OF FOSSIL NEBKHA DEPOSITS: CLUES FROM NEOICHNOLOGY AND SEDIMENTOLOGY
PALAIOS; Lugar: Lawrence; Año: 2020 p. 1 - 39
MELCHOR, RICARDO N.; RIVAROLA, DAVID L.; UMAZANO, ALDO MARTÍN; NALÍN MOYANO, MAGDALENA; MENDOZA BELMONTES, FÁTIMA R.
Elusive Cretaceous Gondwanan theropods: The footprint evidence from central Argentina
CRETACEOUS RESEARCH (PRINT); Año: 2019 vol. 97 p. 125 - 142
VILLEGAS, PABLO M.; UMAZANO, ALDO M.; MELCHOR, RICARDO N.; KATAOKA, KYOKO
Soft-sediment deformation structures in gravelly fluvial deposits: A record of Cretaceous seismic activity in Patagonia?
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES; Año: 2019 vol. 90 p. 325 - 337
MARCHETTI, LORENZO; BELVEDERE, MATTEO; VOIGT, SEBASTIAN; KLEIN, HENDRIK; CASTANERA, DIEGO; DÍAZ-MARTÍNEZ, IGNACIO; MARTY, DANIEL; XING, LIDA; FEOLA, SILVERIO; MELCHOR, RICARDO N.; FARLOW, JAMES O.
Defining the morphological quality of fossil footprints. Problems and principles of preservation in tetrapod ichnology with examples from the Palaeozoic to the present
EARTH-SCIENCE REVIEWS; Año: 2019 vol. 193 p. 109 - 145
MELCHOR, RICARDO N.; FEOLA, SILVERIO F.; DE BIANCO, TERESA MANERA
Canid Paleoichnology: Taxonomic Review and Producers of Canipeda from the Late Pleistocene of Argentina
ICHNOS-AN INTERNATIONAL JOURNAL FOR PLANT AND ANIMAL TRACES; Año: 2018 p. 1 - 23
MENDOZA BELMONTES, FATIMA; MELCHOR, RICARDO N.; PIACENTINI, LUIS N.
Wolf spider burrows from a modern saline sandflat in central Argentina: morphology, taphonomy and clues for recognition of fossil examples
PeerJ; Lugar: San Diego; Año: 2018 vol. 6 p. 1 - 26
CARDONATTO, MARÍA CRISTINA; MELCHOR, RICARDO NÉSTOR
Large mammal burrows in late Miocene calcic paleosols from central Argentina: Paleoenvironment, taphonomy and producers
PeerJ; Lugar: San Diego; Año: 2018 vol. 2018 p. 1 - 36
UMAZANO, A. MARTÍN; KRAUSE, J. MARCELO; BELLOSI, EDUARDO S.; PEREZ, MARIANO; VISCONTI, GRACIELA; MELCHOR, RICARDO N.
Changing fluvial styles in volcaniclastic successions: A cretaceous example from the Cerro Barcino Formation, Patagonia
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES; Año: 2017 vol. 77 p. 185 - 205
MARÍA CRISTINA CARDONATTO; RENATA SOSTILLO; GRACIELA VISCONTI; RICARDO NESTOR MELCHOR
The Celliforma ichnofacies in calcareous paleosols: an example from the late Miocene Cerro Azul Formation, La Pampa, Argentina
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY; Lugar: Amsterdam; Año: 2016 vol. 443 p. 203 - 215
SILVIA ARAMAYO; TERESA MANERA; NEREA BASTIANELLI; RICARDO NESTOR MELCHOR
Pehuen Co: Updated taxonomic review of a late Pleistocene ichnological site in Argentina
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY; Lugar: Amsterdam; Año: 2015 vol. 439 p. 144 - 165
RICARDO NESTOR MELCHOR
Application of vertebrate trace fossils to palaeoenvironmental analysis
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY; Lugar: Amsterdam; Año: 2015 vol. 439 p. 79 - 96
RICARDO NESTOR MELCHOR; MARIANO PEREZ; MARÍA CRISTINA CARDONATTO; ALDO MARTÍN UMAZANO
Late Miocene ground sloth footprints and their paleoenvironment: Megatherichnum oportoi revisited
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY; Lugar: Amsterdam; Año: 2015 vol. 439 p. 123 - 146
MELCHOR, RICARDO N.; BEDATOU, EMILIO; VERDE, MARIANO; LOOPE, DAVID
Contributions of ichnology to palaeoecology, palaeogeography, and sedimentology. A special issue related to the Second Latin-American Symposium on Ichnology (SLIC 2013)
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY; Año: 2015 vol. 439 p. 1 - 3
RICARDO NESTOR MELCHOR; MARÍA CRISTINA CARDONATTO
Insights on the behavior of Late Paleozoic aquatic crustaceans (Pygocephalomorpha?): Compound trace fossils from Western Argentina
ICHNOS-AN INTERNATIONAL JOURNAL FOR PLANT AND ANIMAL TRACES; Lugar: Londres; Año: 2014 vol. 21 p. 76 - 99
ALDO MARTÍN UMAZANO; RICARDO NESTOR MELCHOR; EMILIO BEDATOU; SERGIO EDUARDO BELLOSI; JAVIER MARCELO KRAUSE
Fluvial response to sudden input of pyroclastic sediments during the 2008e2009 eruption of the Chaiten Volcano (Chile): The role of logjams
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES; Lugar: Amsterdam; Año: 2014 vol. 54 p. 140 - 157
RICARDO NESTOR MELCHOR; ROBERT BUCHWALDT; SAM BOWRING
A Late Eocene date for Late Triassic bird tracks
NATURE; Lugar: Londres; Año: 2013 vol. 495 p. 1 - 2
JORGE FERNANDO GENISE; RICARDO NESTOR MELCHOR; MARÍA VICTORIA SÁNCHEZ; MIRTA GONZÁLEZ
Attaichnus kuenzelii revisited: a Miocene record of fungus-growing ants from Argentina
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY; Lugar: Amsterdam; Año: 2013 vol. 386 p. 349 - 363
HAROLDO VIZÁN; SILVANA GEUNA; RICARDO NESTOR MELCHOR; EDUARDO SERGIO BELLOSI; SILVIA LAGORIO; CARLOS VÁSQUEZ; MARÍA SILVIA JAPAS; GUILLERMO RÉ; MARGARITA DO CAMPO
Geological setting and paleomagnetism of the Eocene red beds of Laguna Brava Formation (Quebrada Santo Domingo, northwestern Argentina)
TECTONOPHYSICS; Lugar: Amsterdam; Año: 2013 vol. 583 p. 105 - 123
RICARDO NESTOR MELCHOR; CRISTINA CARDONATTO, MARÍA; GRACIELA VISCONTI
Palaeonvironmental and palaeoecological significance of flamingo-like footprints in shallow-lacustrine rocks: An example from the Oligocene?Miocene Vinchina Formation, Argentina
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY; Lugar: Amsterdam; Año: 2012 vol. 315 p. 181 - 198
RICARDO NESTOR MELCHOR; JORGE FERNANDO GENISE; ALDO MARTÍN UMAZANO; MARIELLA SUPERINA
Pink fairy armadillo meniscate burrows and ichnofabrics from Miocene and Holocene interdune deposits of Argentina: Palaeoenvironmental and palaeoecological significance
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY; Lugar: Amsterdam; Año: 2012 vol. 350 p. 149 - 170
ALDO MARTÍN UMAZANO; EDUARDO SERGIO BELLOSI; GRACIELA VISCONTI; RICARDO NESTOR MELCHOR
Detecting allocyclic signals in volcaniclastic fluvial successions: facies, architecture and stacking pattern from the Cretaceous of central Patagonia, Argentina
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES; Lugar: Amsterdam; Año: 2012 vol. 40 p. 94 - 115
RICARDO NESTOR MELCHOR; JORGE FERNANDO GENISE; JUAN D. FARINA; MARÍA VICTORIA SÁNCHEZ; LAURA SARZETTI; GRACIELA VISCONTI
Large striated burrows from fluvial deposits of the Neogene Vinchina Formation, La Rioja, Argentina: A crab origin suggested by neoichnology and sedimentology
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY; Año: 2010 vol. 291 p. 400 - 418
RICARDO NESTOR MELCHOR; RICHARD BROMLEY; EMILIO BEDATOU
Spongeliomorpha in nonmarine settings: an ichnotaxonomic approach.
EARTH AND ENVIRONMENTAL SCIENCE TRANSACTIONS OF THE ROYAL SOCIETY OF EDINBURGH; Año: 2010 vol. 100 p. 429 - 436
GRACIELA VISCONTI; RICARDO NESTOR MELCHOR; ALDO MARTÍN UMAZANO; CLAUDIA MONTALVO; ELENA DE ELORRIAGA
Análisis litoestratigràfico de la Formación Cerro Azul (Mioceno superior) en la provincia de La Pampa
Revista Asociación Geológica Argentina; Lugar: Buenos Aires; Año: 2010 vol. 67 p. 257 - 265
ALDO MARTÍN UMAZANO; SANTIAGO BERNARDINO GIAI; RICARDO NESTOR MELCHOR; MIRTA GONZÁLEZ; SILVIA CRISTINA GRILL; GRACIELA VISCONTI
Paleosuelos y depósitos lacustres en el manto de arena del Pleistoceno superior-Holoceno en el centro de La Pampa, Argentina: Significado paleoambiental y paleoclimático
Revista de la Sociedad Geológica de España; Lugar: Salamanca; Año: 2010 vol. 23 p. 89 - 99
JORGE FERNANDO GENISE; RICARDO NESTOR MELCHOR; MIGUEL ARCHANGELSKY; LUIS O. BALA; ROBERTO STRANECK; SILVINA DE VALAIS
Application of neoichnological studies to behavioural and taphonomic interpretation of fossil bird-like tracks from lacustrine settings: the Late Triassic-Early Jurassic? Santo Domingo Formation, Argentina
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY; Lugar: Amsterdam; Año: 2009 vol. 272 p. 143 - 161
RICARDO NESTOR MELCHOR
Bird tracks preserved in fluvial channel facies of the Río Negro Formation (Neogene), La Pampa Province, Argentina
AMEGHINIANA; Lugar: Buenos Aires; Año: 2009 vol. 46 p. 209 - 214
EMILIO BEDATOU; RICARDO NESTOR MELCHOR; JORGE FERNANDO GENISE
Complex palaeosol ichnofabrics from Late Jurassic - Early Cretaceous volcaniclastic successions of Central Patagonia, Argentina
SEDIMENTARY GEOLOGY; Lugar: Amsterdam; Año: 2009 vol. 218 p. 74 - 102
ALDO MARTÍN UMAZANO; SERGIO EDUARDO BELLOSI; GRACIELA VISCONTI; GUILLERMO JALFIN; RICARDO NESTOR MELCHOR
Sedimentary record of a Late Cretaceous volcanic arc in central Patagonia: petrography, geochemistry and provenance of fluvial volcaniclastic deposits of the Bajo Barreal Formation, San Jorge Basin, Argentina
CRETACEOUS RESEARCH (PRINT); Lugar: Amsterdam; Año: 2009 vol. 30 p. 749 - 766
EMILIO BEDATOU; RICARDO NESTOR MELCHOR; SERGIO EDUARDO BELLOSI; JORGE FERNANDO GENISE
Crayfish burrows from Late Jurassic–Late Cretaceous continental deposits of Patagonia: Argentina. Their palaeoecological, palaeoclimatic and palaeobiogeographical significance
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY; Lugar: Amsterdam; Año: 2008 vol. 257 p. 169 - 184
ALDO MARTÍN UMAZANO; SERGIO EDUARDO BELLOSI; GRACIELA VISCONTI; RICARDO NESTOR MELCHOR
Mechanisms of aggradation in fluvial systems influenced by explosive volcanism: An example from the Upper Cretaceous Bajo Barreal Formation, San Jorge Basin, Argentina
SEDIMENTARY GEOLOGY; Lugar: Amsterdam; Año: 2008 vol. 203 p. 213 - 228
CLAUDIA MONTALVO; RICARDO NESTOR MELCHOR; GRACIELA VISCONTI; ESPERANZA CERDEÑO
Vertebrate taphonomy in loess-paleosol deposits: A case study from the late Miocene of Central Argentina
GEOBIOS; Lugar: Amsterdam; Año: 2008 vol. 41 p. 133 - 143
SILVINA DE VALAIS; RICARDO NESTOR MELCHOR
Ichnotaxonomy of bird-like footprints: an example from the Late Triassic-Early Jurassic of northwest Argentina.
JOURNAL OF VERTEBRATE PALEONTOLOGY; Lugar: Deerfield, Illinois; Año: 2008 vol. 28 p. 145 - 159
JORGE FERNANDO GENISE; EMILIO BEDATOU; RICARDO NESTOR MELCHOR
Terrestrial crustacean breeding trace fossils from the Cretaceous of Patagonia (Argentina): Palaeobiological and evolutionary significance
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY; Lugar: Amsterdam; Año: 2008 vol. 264 p. 128 - 139
JORGE FERNANDO GENISE; RICARDO NESTOR MELCHOR; SERGIO EDUARDO BELLOSI; MIRTA GONZÁLEZ; JAVIER MARCELO KRAUSE
New insect pupation chambers (Pupichnia) from the Late Cretaceous of Patagonia (Argentina)
CRETACEOUS RESEARCH (PRINT); Lugar: Amsterdam; Año: 2007 vol. 28 p. 545 - 559
RICARDO NESTOR MELCHOR
Changing lake dynamics and sequence stratigraphy of synrift lacustrine strata in a half-graben: an example from the Triassic Ischigualasto–Villa Unio´n Basin, Argentina
SEDIMENTOLOGY; Lugar: Oxford; Año: 2007 vol. 54 p. 1417 - 1446
RICHARD BROMLEY; LUIS BUATOIS; JORGE FERNANDO GENISE; CONRAD LABANDEIRA; M. GABRIELA MÁNGANO; RICARDO NESTOR MELCHOR; MICHAEL SCHLIRF; ALFRED UCHMAN
"Reconnaissance of Upper Jurassic Morrison Formation ichnofossils, Rocky Mountain Region, USA: Paleoenvironmental, stratigraphic, and palaeoclimatic significance of terrestrial and freshwater ichnocoenoses" (discussion).
SEDIMENTARY GEOLOGY; Lugar: Amsterdam; Año: 2007 vol. 200 p. 141 - 150
RICARDO NESTOR MELCHOR; SILVINA DE VALAIS,
A review of the Triassic tetrapod track assemblages from Argentina
PALAEONTOLOGY; Lugar: London; Año: 2006 vol. 49 p. 355 - 379
RICARDO NESTOR MELCHOR; EMILIO BEDATOU,; SILVINA DE VALAIS,; JORGE FERNANDO GENISE
Lithofacies distribution of invertebrate and vertébrate trace-fossil assemblages in an Early Mesozoic ephemeral fluvio-lacustrine system from Argentina: Implications for the Scoyenia ichnofacies
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY; Lugar: Amsterdam; Año: 2006 vol. 239 p. 253 - 285
RENATA TOMEZZOLI,; RICARDO NESTOR MELCHOR; WILLIAM MACDONALD,
Tectonic implications of post-folding Permian magnetizations in the Carapacha Basin, La Pampa province, Argentina
EARTH PLANETS AND SPACE; Lugar: Tokyo; Año: 2006 vol. 58 p. 1235 - 1246
F GENISE, JORGE; SERGIO BELLOSI, EDUARDO; RICARDO NESTOR MELCHOR; MARCELA COSARINSKY,
Advanced Early Jurassic termite (Insecta: Isoptera) nests: Evidence from the Clarens Formation in the Tuli Basin, southern Africa (discussion)
PALAIOS; Lugar: Lawrence, Kansas, USA; Año: 2005 vol. 20 p. 302 - 311
RICARDO NESTOR MELCHOR; SWITHIN SARJEANT, WILLIAM ANTHONY
Small amphibian and reptile footprints from the Permian Carapacha Basin, Argentina
Ichnos; Lugar: Londres; Año: 2004 vol. 11 p. 57 - 78
MARTINS NETO, RAFAEL; F GALLEGO, OSCAR; RICARDO NESTOR MELCHOR
The Triassic insect fauna from South America (Argentina, Brazil, and Chile): A checklist (except Blattoptera and Coleoptera) and description of new taxa
Acta Zoologica Cracoviensa; Lugar: Krakov; Año: 2003 vol. 46 p. 229 - 256
RICARDO NESTOR MELCHOR; SERGIO BELLOSI, EDUARDO; F GENISE, JORGE
Invertebrate and vertebrate trace fossils from a Triassic lacustrine delta: The Los Rastros Formation, Ischigualasto Provincial Park, San Juan, Argentina.
PUBLICACION ESPECIAL - ASOCIACION PALEONTOLOGICA ARGENTINA; Lugar: Buenos Aires; Año: 2003 vol. 9 p. 17 - 33
SILVINA DE VALAIS,; RICARDO NESTOR MELCHOR; F GENISE, JORGE
Hexapodichnus casamiquelai isp. nov.: an insect trackway from the La Matilde Formation (Middle Jurassic), Santa Cruz, Argentina. Argentina.
PUBLICACION ESPECIAL - ASOCIACION PALEONTOLOGICA ARGENTINA; Lugar: Buenos Aires; Año: 2003 vol. 9 p. 35 - 41
RICARDO NESTOR MELCHOR; F GENISE, JORGE; E MIQUEL, SERGIO
Ichnology, Sedimentology And Paleontology Of Eocene Calcareous Paleosols From A Palustrine Sequence, South West La Pampa, Central Argentina.
PALAIOS; Lugar: Lawrence, Kansas, USA; Año: 2002 vol. 17 p. 16 - 35
RICARDO NESTOR MELCHOR; SILVINA DE VALAIS,; F GENISE, JORGE
Bird-like footprints from the Late Triassic
NATURE; Lugar: Oxford; Año: 2002 vol. 417 p. 936 - 938
RICARDO NESTOR MELCHOR; F GENISE, JORGE; MARIANO VERDE,
Invertebrate trace fossils from Triassic continental sequences of San Juan province, Argentina.
PUBLICACION ESPECIAL - ASOCIACION PALEONTOLOGICA ARGENTINA; Lugar: Buenos Aires; Año: 2001 vol. 7 p. 127 - 131
RICARDO NESTOR MELCHOR
Permian tetrapod footprints from Argentina
Hallesches Jahrbuch Für Geowissenschaften; Lugar: Halle (Alemania); Año: 2001 vol. B23 p. 35 - 43
RICARDO NESTOR MELCHOR; RAFAEL HERBST,
Sedimentology of the El Puquén Formation (Upper Triassic, Central Chile) and the new plant Mollesia melendeziae nov. gen. et sp. (Pteridophylla, incertae sedis)Pteridophylla, incertae sedis)
AMEGHINIANA; Lugar: Buenos Aires; Año: 2000 vol. 37 p. 477 - 486
F GALLEGO, OSCAR; RICARDO NESTOR MELCHOR
La Familia Ulugkemiidae Novozhilov, 1958 (Conchostraca) en el Triásico de Argentina: implicancias paleobiogeográficas.
AMEGHINIANA; Lugar: Buenos Aires; Año: 2000 vol. 37 p. 47 - 51
ALEXANDRA CRISAFULI,; ALICIA LUTZ,; RICARDO NESTOR MELCHOR
Maderas gimnospérmicas de la Formación Carapacha (Pérmico), Provincia de La Pampa, Argentina.
AMEGHINIANA; Lugar: Buenos Aires; Año: 2000 vol. 37 p. 181 - 191
RICARDO NESTOR MELCHOR
Stratigraphic and biostratigraphic consequences of a new 40Ar/39Ar age for the base of the Cochicó Group (Permian), Eastern Permian Basin, San Rafael, Mendoza, Argentina
AMEGHINIANA; Lugar: Buenos Aires; Año: 2000 vol. 37 p. 271 - 282
RICARDO NESTOR MELCHOR
Redefinición estratigráfica de la Formación Carapacha (Pérmico), Provincia de La Pampa, Argentina.
Revista de La Asociación Geológica Argentina; Lugar: Buenos Aires; Año: 1999 vol. 54 p. 99 - 108
MARIA ZAVATTIERI, ANA; RICARDO NESTOR MELCHOR
Estudio palinológico preliminar de la Fm. Ischichuca (Triásico), en su localidad tipo (Quebrada de Ischichuca Chica), provincia de La Rioja, Argentina.
PUBLICACION ESPECIAL - ASOCIACION PALEONTOLOGICA ARGENTINA; Lugar: Buenos Aires; Año: 1999 vol. 6 p. 33 - 38
RAFAEL HERBST,; A TRONCOSO,; RICARDO NESTOR MELCHOR
Las Pteridophyta y el paleoambiente de la parte media de la Formación La Ternera (Triásico Superior)en Quebrada La Cachivarita, III Región, Chile
Revista Geológica de Chile; Lugar: Santiago de Chile; Año: 1998 vol. 25 p. 85 - 107
RICARDO NESTOR MELCHOR; NÉLIDA CÉSARI, SILVIA
Permian Floras from Carapacha Basin, La Pampa province, central Argentina. Description and importance.
GEOBIOS; Lugar: Lyon; Año: 1997 vol. 30 p. 607 - 633
RICARDO NESTOR MELCHOR; NÉLIDA CÉSARI, SILVIA
Algunos elementos paleoflorísticos de la Formación Carapacha (Pérmico inferior), provincia de La Pampa, República Argentina.
AMEGHINIANA; Lugar: Buenos Aires; Año: 1991 vol. 28 p. 347 - 352