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Pleistocene Mammals and Paleoecology of the Western Amazon
PLEISTOCENE MAMMALS AND PALEOECOLOGY OF THE WESTERN AMAZON By ALCEU RANCY A DISSERTATION PRESENTED TO THE GRADUATE SCHOOL OF THE UNIVERSITY OF FLORIDA IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY UNIVERSITY OF FLORIDA 1991 . To Cleusa, Bianca, Tiago, Thomas, and Nono Saul (Pistolin de Oro) . ACKNOWLEDGMENTS This work received strong support from John Eisenberg (chairman) and David Webb, both naturalists, humanists, and educators. Both were of special value, contributing more than the normal duties as members of my committee. Bruce MacFadden provided valuable insights at several periods of uncertainty. Ronald Labisky and Kent Redford also provided support and encouragement. My field work in the western Amazon was supported by several grants from the Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) , and the Universidade Federal do Acre (UFAC) , Brazil. I also benefitted from grants awarded to Ken Campbell and Carl Frailey from the National Science Foundation (NSF) I thank Daryl Paul Domning, Jean Bocquentin Villanueva, Jonas Pereira de Souza Filho, Ken Campbell, Jose Carlos Rodrigues dos Santos, David Webb, Jorge Ferigolo, Carl Frailey, Ernesto Lavina, Michael Stokes, Marcondes Costa, and Ricardo Negri for sharing with me fruitful and adventurous field trips along the Amazonian rivers. The CNPq and the Universidade Federal do Acre, supported my visit to the. following institutions (and colleagues) to examine their vertebrate collections: iii . ; ; Universidade do Amazonas, Manaus -
Pliocene), Falc6n State, Venezuela, Its Relationship with the Asterostemma Problem, and the Paleobiogeography of the Glyptodontinae ALFREDO A
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by RERO DOC Digital Library Pal&ontologische Zeitschrift 2008, Vol. 82•2, p. 139-152, 30-06-2008 New Glyptodont from the Codore Formation (Pliocene), Falc6n State, Venezuela, its relationship with the Asterostemma problem, and the paleobiogeography of the Glyptodontinae ALFREDO A. CARLINI, La Plata; ALFREDO E. ZURITA, La Plata; GUSTAVO J. SCILLATO-YANI~, La Plata; RODOLFO S,&,NCHEZ, Urumaco & ORANGEL A. AGUILERA, Coro with 3 figures CARLINI, A.A.; ZURITA,A.E.; SCILLATO-YANI~,G.J.; S.~NCHEZ,R. & AGUILERA,O.A. 2008. New Glyptodont from the Codore Formation (Pliocene), Falc6n State, Venezuela, its relationship with the Asterostemma problem, and the paleo- biogeography of the Glyptodontinae. - Palaontologische Zeitschrift 82 (2): 139-152, 3 figs., Stuttgart, 30. 6. 2008. Abstract: One of the basal Glyptodontidae groups is represented by the Propalaehoplophorinae (late Oligocene - mid- dle Miocene), whose genera (Propalaehoplophorus, Eucinepeltus, Metopotoxus, Cochlops, and Asterostemma) were initially recognized in Argentinian Patagonia. Among these, Asterostemma was characterized by its wide latitudinal distribution, ranging from southernmost (Patagonia) to northernmost (Colombia, Venezuela) South America. How- ever, the generic assignation of the Miocene species from Colombia and Venezuela (A.? acostae, A. gigantea, and A. venezolensis) was contested by some authors, who explicitly accepted the possibility that these species could corre- spond to a new genus, different from those recognized in southern areas. A new comparative study of taxa from Argen- tinian Patagonia, Colombia and Venezuela (together with the recognition of a new genus and species for the Pliocene of the latter country) indicates that the species in northern South America are not Propalaehoplophorinae, but represent the first stages in the cladogenesis of the Glyptodontinae glyptodontids, the history of which was heretofore restricted to the late Miocene - early Holocene of southernmost South America. -
Mammals and Stratigraphy : Geochronology of the Continental Mammal·Bearing Quaternary of South America
MAMMALS AND STRATIGRAPHY : GEOCHRONOLOGY OF THE CONTINENTAL MAMMAL·BEARING QUATERNARY OF SOUTH AMERICA by Larry G. MARSHALLI, Annallsa BERTA'; Robert HOFFSTETTER', Rosendo PASCUAL', Osvaldo A. REIG', Miguel BOMBIN', Alvaro MONES' CONTENTS p.go Abstract, Resume, Resumen ................................................... 2, 3 Introduction .................................................................. 4 Acknowledgments ............................................................. 6 South American Pleistocene Land Mammal Ages ....... .. 6 Time, rock, and faunal units ...................... .. 6 Faunas....................................................................... 9 Zoological character and history ................... .. 9 Pliocene-Pleistocene boundary ................................................ 12 Argentina .................................................................... 13 Pampean .................................................................. 13 Uquian (Uquiense and Puelchense) .......................................... 23 Ensenadan (Ensenadense or Pampeano Inferior) ............................... 28 Lujanian (LuJanense or Pampeano lacus/re) .................................. 29 Post Pampean (Holocene) ........... :....................................... 30 Bolivia ................ '...................................................... ~. 31 Brazil ........................................................................ 37 Chile ........................................................................ 44 Colombia -
X Congreso Argentino De Paleontología Y Bioestratigrafía VII Congreso Latinoamericano De Paleontología La Plata, Argentina - Septiembre De 2010
X Congreso Argentino de Paleontología y Bioestratigrafía VII Congreso Latinoamericano de Paleontología La Plata, Argentina - Septiembre de 2010 Financian Auspician 1 X Congreso Argentino de Paleontología y Bioestratigrafía VII Congreso Latinoamericano de Paleontología La Plata, Argentina - Septiembre de 2010 2 X Congreso Argentino de Paleontología y Bioestratigrafía VII Congreso Latinoamericano de Paleontología La Plata, Argentina - Septiembre de 2010 3 X Congreso Argentino de Paleontología y Bioestratigrafía VII Congreso Latinoamericano de Paleontología La Plata, Argentina - Septiembre de 2010 X Congreso Argentino de Paleontología y Bioestratigrafía y VII Congreso Latinoamericano de Paleontología Resúmenes/coordinado por Sara Ballent ; Analia Artabe ; Franco Tortello. 1a ed. - La Plata: Museo de la Plata; Museo de la Plata, 2010. 238 p. + CD-ROM; 28x20 cm. ISBN 978-987-95849-7-2 1. Paleontología. 2. Bioestratigrafía. I. Ballent, Sara , coord. II. Artabe, Analia, coord. III. Tortello, Franco, coord. CDD 560 Fecha de catalogación: 27/08/2010 4 X Congreso Argentino de Paleontología y Bioestratigrafía VII Congreso Latinoamericano de Paleontología La Plata, Argentina - Septiembre de 2010 X Congreso Argentino de Paleontología y Bioestratigrafía VII Congreso Latinoamericano de Paleontología Declarado de Interés Municipal, La Plata (Decreto N° 1158) 5 X Congreso Argentino de Paleontología y Bioestratigrafía VII Congreso Latinoamericano de Paleontología La Plata, Argentina - Septiembre de 2010 6 X Congreso Argentino de Paleontología y Bioestratigrafía VII Congreso Latinoamericano de Paleontología La Plata, Argentina - Septiembre de 2010 X Congreso Argentino de Paleontología y Bioestratigrafía VII Congreso Latinoamericano de Paleontología Prólogo Una vez más el Congreso Argentino de Paleontología y Bioestratigrafía y el Congreso Latino- americano de Paleontología se realizan de manera conjunta. -
EL PALABRERO 2019 (Final) 0.Pdf
El Palabrero Juegos de lectura y escritura para la escuela VERSIÓN AMPLIADA Y MEJORADA El Palabrero. Juegos de lectura y escritura para la escuela Versión ampliada y mejorada Edición: Lina Mejía C. y María Isabel Abad L. Textos: Daniel Álvarez B., María Isabel Abad L., Javier Naranjo M., Lina Mejía C., Sebastián Castro P., Vanessa Escobar R. y Juan Luis Vega G. Asesores: Marga López D. y Javier Naranjo M. (Biblioteca y Centro Comunitario Rural Laboratorio del Espíritu). Segunda revisión: Sebastián Castro P., Ricardo Vargas P., Vanessa Escobar R. y Daniel Álvarez B. Corrección de estilo y coedición: Alberto Quiroga. Corrección ortotipográfica: Luz Ofelia Jaramillo A. Diseño gráfico, diagramación e ilustración: Carolina Bernal C. Créditos y agradecimientos especiales: a todos los talleristas presentes y pasados de Secretos para contar por sus creaciones y enriquecimiento a los juegos alrededor del lenguaje. A Tita Maya, Marga López, Javier Naranjo, Rita del Prado, Jorge Cano, Ángela Higuera, Sebastián Castro, Javier Burgos, Daniel Álvarez, Claudia Gaviria, al equipo de la Biblioteca y Centro Comunitario Rural Laboratorio del Espíritu de El Retiro (Antioquia), y a muchas otras personas que compartieron con Secretos para contar algunos de los juegos reseñados en este libro. Agradecemos de manera especial a todos los maestros rurales por inspirarnos cada día. FUNDACIÓN SECRETOS PARA CONTAR ISBN: 978-958-52222 Presidente Consejo de Administración: Lina Mejía Correa. Directora de educación: Vanessa Escobar R. Directora administrativa: Isabel Cristina Castellanos A. Directora de logística: Natalia Olano V. Segunda edición ampliada y mejorada: 1.500 ejemplares El Palabrero. Juegos de lectura y escritura para la escuela: ISBN 978-958-52222-0-5 Impreso en Colombia por Panamericana Formas e Impresos S.A. -
Synoptic Taxonomy of Major Fossil Groups
APPENDIX Synoptic Taxonomy of Major Fossil Groups Important fossil taxa are listed down to the lowest practical taxonomic level; in most cases, this will be the ordinal or subordinallevel. Abbreviated stratigraphic units in parentheses (e.g., UCamb-Ree) indicate maximum range known for the group; units followed by question marks are isolated occurrences followed generally by an interval with no known representatives. Taxa with ranges to "Ree" are extant. Data are extracted principally from Harland et al. (1967), Moore et al. (1956 et seq.), Sepkoski (1982), Romer (1966), Colbert (1980), Moy-Thomas and Miles (1971), Taylor (1981), and Brasier (1980). KINGDOM MONERA Class Ciliata (cont.) Order Spirotrichia (Tintinnida) (UOrd-Rec) DIVISION CYANOPHYTA ?Class [mertae sedis Order Chitinozoa (Proterozoic?, LOrd-UDev) Class Cyanophyceae Class Actinopoda Order Chroococcales (Archean-Rec) Subclass Radiolaria Order Nostocales (Archean-Ree) Order Polycystina Order Spongiostromales (Archean-Ree) Suborder Spumellaria (MCamb-Rec) Order Stigonematales (LDev-Rec) Suborder Nasselaria (Dev-Ree) Three minor orders KINGDOM ANIMALIA KINGDOM PROTISTA PHYLUM PORIFERA PHYLUM PROTOZOA Class Hexactinellida Order Amphidiscophora (Miss-Ree) Class Rhizopodea Order Hexactinosida (MTrias-Rec) Order Foraminiferida* Order Lyssacinosida (LCamb-Rec) Suborder Allogromiina (UCamb-Ree) Order Lychniscosida (UTrias-Rec) Suborder Textulariina (LCamb-Ree) Class Demospongia Suborder Fusulinina (Ord-Perm) Order Monaxonida (MCamb-Ree) Suborder Miliolina (Sil-Ree) Order Lithistida -
Systematic and Palaeobiological Implications of Postcranial Morphology in the Diprotodontidae (Marsupialia)
Systematic and palaeobiological implications of postcranial morphology in the Diprotodontidae (Marsupialia) Aaron B. Camens School of Earth and Environmental Sciences Discipline of Ecology and Evolutionary Biology The University of Adelaide South Australia A thesis submitted in partial fulfilment of the degree of Doctor of Philosophy at the University of Adelaide February 2010 II Declaration This work contains no material which has been accepted for the award of any other degree or diploma in any university or other tertiary institution to Aaron Camens and, to the best of my knowledge and belief, contains no material previously published or written by another person, except where due reference has been made in the text. I give consent to this copy of my thesis when deposited in the University Library, being made available for loan and photocopying, subject to the provisions of the Copyright Act 1968. The author acknowledges that copyright of published works contained within this thesis (as listed below) resides with the copyright holder(s) of those works. I also give permission for the digital version of my thesis to be made available on the web, via the University’s digital research repository, the Library catalogue, the Australasian Digital Theses Program (ADTP) and also through web search engines, unless permission has been granted by the University to restrict access for a period of time. Publications in this thesis include: Camens, A. B. and Wells, R.T. 2009. Diprotodontid footprints from the Pliocene of Central Australia. Journal of Vertebrate Paleontology 29: 863-869. Copyright held by Taylor and Francis. Camens, A. B. and Wells, R.T. -
Evolutive Implications of Megathericulus Patagonicus (Xenarthra, Megatheriinae) from the Miocene of Patagonia Argentina
See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/333356005 Evolutive Implications of Megathericulus patagonicus (Xenarthra, Megatheriinae) from the Miocene of Patagonia Argentina Article in Journal of Mammalian Evolution · September 2020 DOI: 10.1007/s10914-019-09469-6 CITATIONS READS 5 278 3 authors: Diego Brandoni Laureano Gonzalez-Ruiz CICYTTP-CONICET Universidad Nacional de la Patagonia "San Juan Bosco", Esquel, Chubut, Argentina 51 PUBLICATIONS 737 CITATIONS 42 PUBLICATIONS 316 CITATIONS SEE PROFILE SEE PROFILE Joaquin Bucher Universidad Nacional de La Plata 28 PUBLICATIONS 94 CITATIONS SEE PROFILE Some of the authors of this publication are also working on these related projects: Evolution of south american basins View project Quaternary continental vertebrate from austral Chaco, Northern and Southern Pampa View project All content following this page was uploaded by Diego Brandoni on 01 August 2020. The user has requested enhancement of the downloaded file. Author's personal copy Journal of Mammalian Evolution (2020) 27:445–460 https://doi.org/10.1007/s10914-019-09469-6 ORIGINAL PAPER Evolutive Implications of Megathericulus patagonicus (Xenarthra, Megatheriinae) from the Miocene of Patagonia Argentina Diego Brandoni1 & Laureano González Ruiz2 & Joaquín Bucher3 Published online: 24 May 2019 # Springer Science+Business Media, LLC, part of Springer Nature 2019 Abstract In this contribution we describe a partial dentary with teeth and an astragalus referred to the ancient megatheriine Megathericulus patagonicus Ameghino, 1904 (Xenarthra, Tardigrada) recovered from the Collón Curá Formation (Miocene) at Chubut Province, Argentina. Referral of the new specimens is based on metric and morphological similarities with the holotype and specimens that have been referred to this species. -
Trinidad's Lithic Era People (Est BC 9000-7000
Trinidad’s Lithic Era People (est BC 9000-7000) Peter O’Brien Harris Abstract: I try to reconstruct the culture of this early people. Direct information is minimal: three pieces of early environmental data, two lithic artifacts, and three flake-scatter campsites. I use the ethnography of the 20C Colombian Nukak to provide a comparative set of beliefs, religious institutions (numerous), economic and political institutions (minimal), camp layout, artifacts (men’s, women’s, joint), rainforest starch (no cultivation), and protein. I expand the archeological data with a regional survey: Venezuela, Guyana, Surinam, and an excavation on the Lower Amazon. Trinidad seems to be part of a Lithic culture area defined by the Guianas-Amazon watershed (Figure 1), stemmed points, and possibly painted rock sites. It does not seem related to the Joboid series of northwest Venezuela. Résumé: J’essaie à reconstituer la culture de cet ancien peuple. Il y a peu d’informations directes: trois sur l’écologie ancienne, deux artifactes lithiques, et trois gisements de bivouac. J’utilise l’ethnologie des Nukak de la Colombie du vingtième siécle, pour offrir une série comparative des croyances, des institutions religieuses (nombreuses), des institutions politico-économiques (minimales), plan de bivouac, artisanat (masculin, féminin, mixte), féculents et viandes de la forêt (sans cultivation). J’élargis les données archéologiques avec une étude régionale: Venezuela, Guyana, Suriname, plus une fouille à l’Amazone Inférieure. La Trinité semble former partie d’une région culturelle définie par les pentes Guianas- Amazone (Figure 1), les pointes à pied, et peut-être les rochers peints. Elle ne semble pas se lier à la série Joboide du nord-ouest de Venezuela. -
The Ground Sloth Megatherium Americanum: Skull Shape, Bite Forces, and Diet
The ground sloth Megatherium americanum: Skull shape, bite forces, and diet M. SUSANA BARGO Bargo, M.S. 2001. The ground sloth Megatherium americanum: Skull shape, bite forces, and diet. -Acta Palaeontologica Polonica 46,2, 173-192. Megatherium americanum (late Pleistocene of South America) has traditionally been re- garded a herbivore, but its dietary habits have not been considered in terms of a morpho- functional analysis. This study describes and analyses the morphology of the masticatory apparatus in order to interpret the jaw mechanics of M. americanum, and thus to infer its diet and behaviour. The results are compared with those for the mylodontid Glosso- therium robustum and the extant sloth Bradypus variegatus. The areas of origin and in- sertion of the masticatory musculature were reconstructed, and the moment arms gener- ated by this musculature were estimated so that the mechanics of the feeding apparatus might be described. These analyses indicate that M. americanum was well adapted for strong and mainly vertical biting. The teeth are extremely hypsodont and bilophodont, and the sagittal section.of each loph is triangular with a sharp edge. This suggests that the teeth were used mainly for cutting, rather than grinding, and that hard and fibrous food was not the main dietary component. The diet of M. americanum merits more rigorous analysis, but the evidence provided here indicates that it probably had a browsing diet in open habitats, but also could have fed on moderate to soft tough food. Key words : Xenarthra, Tardigrada, Megatherium, biomechanics, mastication, diet. M. Susana Bargo [msbargo @museofcnym.unlp.edu.ar], Departamento CientljCico Paleontologia de Vertebrados, Museo de La Plata, Paseo del Bosque s/n, 1900 La Plata, Argentina. -
Hypsodonty in Pleistocene Ground Sloths
Hypsodonty in Pleistocene ground sloths M. SUSANA BARGO, GERARDO DE IULIIS, and SERGIO F. VIZCAÍNO Bargo, M.S., De Iuliis, G., and Vizcaíno, S.F. 2006. Hypsodonty in Pleistocene ground sloths. Acta Palaeontologica Polonica 51 (1): 53–61. Although living sloths (Xenarthra, Tardigrada) are represented by only two genera, their fossil relatives form a large and diverse group. The evolution of hypsodonty, the crown height of a tooth, has traditionally been viewed as a response to di− etary shifts toward abrasive vegetation. But recent work indicates that hypsodonty is also due to the higher prevalence of grit and dust in more open environments. The teeth of sloths are both high−crowned and open−rooted, or hypselodont, but distinctions between the selective factors acting to produce differing degrees of hypsodonty have not been rigorously con− sidered. A comparative analysis of hypsodonty was performed in eleven species of Pleistocene sloths. It suggests that dif− ferences in hypsodonty may be explained by dietary preferences, habitat and habits. Among mylodontids, morphologic and biomechanical analyses indicate that hypsodonty was unlikely to be due solely to feeding behavior, such as grazing. Some mylodontids (e.g., Scelidotherium leptocephalum, Lestodon armatus, Glossotherium robustum, Mylodon darwini) were capable diggers that likely dug for food, and ingestion of abrasive soil particles probably played a considerable role in shaping their dental characteristics. Increased hypsodonty over time in Paramylodon harlani, however, is apparently due to a change in habitat from closed to more open environments. Geographical distributions of the megatheriids Eremotherium and Megatherium indicate differing habitats as possible factors in hypsodonty differences. -
Kellner1 and Diogenes De Almeida Campos2 Vertebrate Paleontology in Brazil — a Review
238 by Alexander W. A. Kellner1 and Diogenes de Almeida Campos2 Vertebrate paleontology in Brazil — a review 1. Dept. Geology and Paleontology, Museu Nacional/UFRJ, Quinta da Boa Vista, São Cristóvão, Rio de Janeiro, Brazil; e-mail: [email protected] 2. Museu de Ciências da Terra, DNPM, Av. Pasteur 404, Rio de Janeiro, Brazil; e-mail: [email protected] A review of the vertebrate fossil diversity in Brazil is pod footprint from the Paraná Basin (Leonardi, 1983), vertebrate presented. The best known faunas are the fish and rep- remains from this era have only been briefly mentioned in faunal lists from Devonian strata (e.g., Katzer, 1897a, b; Kegel, 1953, 1957; tiles from the Santana Formation (both, Crato and Santos, 1961; Mendes and Petri, 1971; Copper, 1977). Romualdo Members). Also comparatively well known In the last two decades some isolated Paleozoic specimens were are the mammalian faunas from Pleistocene deposits, described in detail. Among those are isolated actinopterygian scales found in drilling cores of an oil well in the Upper Amazon Basin, which is the result of extensive research done in the last Northwestern Brazil (Janvier and Melo, 1987). These scales are pre- decades. Poorly known are the Paleozoic vertebrates, served in black shales and suggest either a very Late Devonian or a which is possible due to the limited outcrops in the Carboniferous age for those sediments, although the associated microfossils favor a pre-Mississippian assignment (Janvier and country. Paradoxically, the Late Cretaceous vertebrate Melo, 1987). Those authors also reported acanthodian remains from faunas (fishes, reptiles, and mammals) from the Bauru Devonian strata of the same basin (Janvier and Melo, 1988; 1992).