Evolution : What the Fossils Say and Why It Matters Donald R. Prothero ; with Original Illustrations by Carl Buell
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Revised Stratigraphy of Neogene Strata in the Cocinetas Basin, La Guajira, Colombia
Swiss J Palaeontol (2015) 134:5–43 DOI 10.1007/s13358-015-0071-4 Revised stratigraphy of Neogene strata in the Cocinetas Basin, La Guajira, Colombia F. Moreno • A. J. W. Hendy • L. Quiroz • N. Hoyos • D. S. Jones • V. Zapata • S. Zapata • G. A. Ballen • E. Cadena • A. L. Ca´rdenas • J. D. Carrillo-Bricen˜o • J. D. Carrillo • D. Delgado-Sierra • J. Escobar • J. I. Martı´nez • C. Martı´nez • C. Montes • J. Moreno • N. Pe´rez • R. Sa´nchez • C. Sua´rez • M. C. Vallejo-Pareja • C. Jaramillo Received: 25 September 2014 / Accepted: 2 February 2015 / Published online: 4 April 2015 Ó Akademie der Naturwissenschaften Schweiz (SCNAT) 2015 Abstract The Cocinetas Basin of Colombia provides a made exhaustive paleontological collections, and per- valuable window into the geological and paleontological formed 87Sr/86Sr geochronology to document the transition history of northern South America during the Neogene. from the fully marine environment of the Jimol Formation Two major findings provide new insights into the Neogene (ca. 17.9–16.7 Ma) to the fluvio-deltaic environment of the history of this Cocinetas Basin: (1) a formal re-description Castilletes (ca. 16.7–14.2 Ma) and Ware (ca. 3.5–2.8 Ma) of the Jimol and Castilletes formations, including a revised formations. We also describe evidence for short-term pe- contact; and (2) the description of a new lithostratigraphic riodic changes in depositional environments in the Jimol unit, the Ware Formation (Late Pliocene). We conducted and Castilletes formations. The marine invertebrate fauna extensive fieldwork to develop a basin-scale stratigraphy, of the Jimol and Castilletes formations are among the richest yet recorded from Colombia during the Neogene. -
Testing the Hypothesis of an Impoverished Predator Guild in The
Palaeogeography, Palaeoclimatology, Palaeoecology 554 (2020) 109805 Contents lists available at ScienceDirect Palaeogeography, Palaeoclimatology, Palaeoecology journal homepage: www.elsevier.com/locate/palaeo Testing the hypothesis of an impoverished predator guild in the Early Miocene ecosystems of Patagonia: An analysis of meat availability and T competition intensity among carnivores ⁎ Guillermo Rodríguez-Gómeza, , Guillermo H. Cassinib,c,d, Paul Palmqvista, M. Susana Bargoe,f, Néstor Toledod,e, Jesús A. Martín-Gonzálezg, Nahuel A. Muñoze, Richard F. Kayh, Sergio F. Vizcaínod,e a Departamento de Ecología y Geología, University of Malaga, Campus de Teatinos, 29071 Malaga, Spain b División Mastozoología, Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”, Av. Ángel Gallardo 470, C1405DJR, Ciudad Autónoma de Buenos Aires, Argentina c Departamento de Ciencias Básicas, Universidad Nacional de Luján, Ruta 5 y Av. Constitución s/n, Luján 6700, Buenos Aires, Argentina d Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina e División Paleontología Vertebrados, Museo de La Plata, Unidades de Investigación Anexo Museo, Facultad de Ciencias Naturales y Museo, Av. 60 y 122, 1900 La Plata, Argentina f Comisión de Investigaciones Científicas (CIC) provincia de Buenos Aires, Argentina g Departamento de Matemáticas y Computación, University of Burgos, Plaza Misael Bañuelos s/n, 09001 Burgos, Spain h Department of Evolutionary Anthropology and Division of Earth and Ocean Sciences, Duke University, Durham, United States. -
The Neogene Record of Northern South American Native Ungulates
Smithsonian Institution Scholarly Press smithsonian contributions to paleobiology • number 101 Smithsonian Institution Scholarly Press The Neogene Record of Northern South American Native Ungulates Juan D. Carrillo, Eli Amson, Carlos Jaramillo, Rodolfo Sánchez, Luis Quiroz, Carlos Cuartas, Aldo F. Rincón, and Marcelo R. Sánchez-Villagra SERIES PUBLICATIONS OF THE SMITHSONIAN INSTITUTION Emphasis upon publication as a means of “diffusing knowledge” was expressed by the first Secretary of the Smithsonian. In his formal plan for the Institution, Joseph Henry outlined a program that included the following statement: “It is proposed to publish a series of reports, giving an account of the new discoveries in science, and of the changes made from year to year in all branches of knowledge.” This theme of basic research has been adhered to through the years in thousands of titles issued in series publications under the Smithsonian imprint, commencing with Smithsonian Contributions to Knowledge in 1848 and continuing with the following active series: Smithsonian Contributions to Anthropology Smithsonian Contributions to Botany Smithsonian Contributions to History and Technology Smithsonian Contributions to the Marine Sciences Smithsonian Contributions to Museum Conservation Smithsonian Contributions to Paleobiology Smithsonian Contributions to Zoology In these series, the Smithsonian Institution Scholarly Press (SISP) publishes small papers and full-scale monographs that report on research and collections of the Institution’s museums and research centers. The Smithsonian Contributions Series are distributed via exchange mailing lists to libraries, universities, and similar institutions throughout the world. Manuscripts intended for publication in the Contributions Series undergo substantive peer review and evaluation by SISP’s Editorial Board, as well as evaluation by SISP for compliance with manuscript preparation guidelines (available at https://scholarlypress.si.edu). -
A Pliocene–Pleistocene Continental Biota from Venezuela Jorge D
Carrillo-Briceño et al.Swiss J Palaeontol (2021) 140:9 https://doi.org/10.1186/s13358-020-00216-6 Swiss Journal of Palaeontology RESEARCH ARTICLE Open Access A Pliocene–Pleistocene continental biota from Venezuela Jorge D. Carrillo‑Briceño1* , Rodolfo Sánchez2, Torsten M. Scheyer1 , Juan D. Carrillo3,4 , Massimo Delfno5,6, Georgios L. Georgalis1, Leonardo Kerber7,8, Damián Ruiz‑Ramoni9, José L. O. Birindelli10, Edwin‑Alberto Cadena11,15, Aldo F. Rincón12 , Martin Chavez‑Hofmeister13, Alfredo A. Carlini14, Mónica R. Carvalho15, Raúl Trejos‑Tamayo16,17, Felipe Vallejo16,17, Carlos Jaramillo15,17,18, Douglas S. Jones19 and Marcelo R. Sánchez‑Villagra1* Abstract The Pliocene–Pleistocene transition in the Neotropics is poorly understood despite the major climatic changes that occurred at the onset of the Quaternary. The San Gregorio Formation, the younger unit of the Urumaco Sequence, preserves a fauna that documents this critical transition. We report stingrays, freshwater bony fshes, amphibians, crocodiles, lizards, snakes, aquatic and terrestrial turtles, and mammals. A total of 49 taxa are reported from the Vergel Member (late Pliocene) and nine taxa from the Cocuiza Member (Early Pleistocene), with 28 and 18 taxa reported for the frst time in the Urumaco sequence and Venezuela, respectively. Our fndings include the frst fossil record of the freshwater fshes Megaleporinus, Schizodon, Amblydoras, Scorpiodoras, and the pipesnake Anilius scytale, all from Pliocene strata. The late Pliocene and Early Pleistocene ages proposed here for the Vergel and Cocuiza members, respectively, are supported by their stratigraphic position, palynology, nannoplankton, and 86Sr/88Sr dating. Mammals from the Vergel Member are associated with the frst major pulse of the Great American Biotic Interchange. -
A New Adianthid Litoptern (Mammalia) from the Miocene of Chile
Revista Chilena de Historia Natural 64: 119-125,1991 A new Adianthid Litoptern (Mammalia) from the Miocene of Chile Un nuevo Litopterno de la Familia Adianthidae (Mammalia) del Mioceno de Chile RICHARD L. CIFELLI Oklahoma Museum of Natural History and Department of Zoology University of Oklahoma Norman, OK 73019 USA ABSTRACT A new species of Adianthus is described from the Río Cisnes (type locality of the Friasian age), Miocene of Chile. The species is represented by unusually complete remains, including the first postcranial elements known for a member of the family Adianthidae. In its skeletal anatomy, Adianthus godoyi, new species generally resembles lightly-built Santa- crucian proterotheriids. The new species is unique among litopterns in having the proximal tibia and fibula solidly fused. Like Santacrucian proterotheres, Adianthus godoyi was probably cursorially adapted; the narrowness of the an- terior dental arcade suggest that it was a selective-feeding herbivore, and perhaps consumed mixed vegetation in an open habitat. Adianthus godoyi appears to be closely related and to an as yet unidentified species from the early Santacrucian (Notohippus fauna) of Argentina and to Adianthus bucatus, from the Santacrucian of that country, which otherwise represents the latest known occurrence of the family Adianthidae. The occurrence of Adianthus godoyi in the type fauna of the Friasian thus suggests either that the family was more long-lived than had been previously appreciated, or that the type Friasian local fauna is more similar to those of Santacrucian age than their placement in different land-mammal ages would suggest. Key words: Adianthus, Chile, Friasian, Gal era Formation, Mammalia. -
Evidence from Ecological Diversity Analysis (EDA)
Palaeontologia Electronica palaeo-electronica.org What are the best modern analogs for ancient South American mammal communities? Evidence from ecological diversity analysis (EDA) Angeline M. Catena and Darin A. Croft ABSTRACT Ecological diversity analysis (EDA) is a technique that uses ecological attributes of mammals to reconstruct the community structure and habitat of a fossil locality. EDAs of South American paleofaunas have generally relied on modern comparative datasets from that continent, but modern faunas from other continents may be more appropriate models considering the high-level taxonomic differences that exist between modern and fossil South American mammal communities. To test this hypoth- esis, we selected five, well-sampled fossil localities for which independent paleoenvi- ronmental data (e.g., paleosols, ichnofossils) have been published: four from South America (La Venta, Colombia; Quebrada Honda, Bolivia; Santa Cruz, Argentina; Tin- guiririca, Chile) and one from Europe (Rümikon, Switzerland). We coded the extinct species from these sites, as well as ca. 2,450 modern mammal species, for three eco- logical attributes: diet (eight categories), locomotor habit (six categories), and body mass (six categories). Percentages of species in each attribute category were used to compare the five paleofaunas to 179 modern faunas from six continents using corre- spondence analysis, hierarchical clustering, similarity percentage, and classification trees. The four South American paleofaunas were found to be most similar to Afrotrop- ical, Indo-Malayan, and Palearctic modern faunas and, similarly, the European paleo- fauna most resembled faunas from a biome not currently present in the Palearctic. Our study highlights important differences in community structure between ancient and modern South American mammal faunas and suggests that modern mammalian com- munities from other continents are better analogues for ancient South American com- munities than modern South American faunas. -
New Records and Diet Reconstruction Using Dental Microwear Analysis for Neolicaphrium Recens Frenguelli, 1921 (Litopterna, Proterotheriidae)
Andean Geology 46 (1): 153-167. January, 2019 Andean Geology doi: 10.5027/andgeoV46n1-3136 www.andeangeology.cl New records and diet reconstruction using dental microwear analysis for Neolicaphrium recens Frenguelli, 1921 (Litopterna, Proterotheriidae) *Andrea Corona1, Martín Ubilla1, Daniel Perea1 1 Departamento de Paleontología, Instituto de Ciencias Geológicas, Facultad de Ciencias, Universidad de la República, Iguá 4225, 11400, Montevideo, Uruguay. [email protected]; [email protected]; [email protected] * Corresponding author: [email protected] ABSTRACT. Neolicaphrium recens is the only survivor proterotherid in the Quaternary of South America, of which few fossil records from Argentina, Uruguay and probably Brazil are known. In this paper we describe new cranial remains with teeth series of N. recens from Artigas Department, Uruguay (Sopas Formation, Late Pleistocene), and previously published remains were reinterpreted and assigned to N. recens. We performed a dental microwear study of the seven most complete adult specimens from Argentina and Uruguay. The dental facets of interest were molded with silicone dental impression; the moulds were filled with epoxy resin and observed in a stereomicroscope. The paracone of M2 and the protoconid of m2 were photographed and the images digitally processed and studied. The results showed a high relative percentage of pits (scars of soft plants) on scratches (grooved pattern caused by silicophytoliths of grasses), indicating that the analyzed specimens were browsers, and their diet probably included fleshy leaves, buds and stems of trees and shrubs. These new data are consistent with previous results of carbon and oxygen isotopes studies and with inferences based on the associated fauna of N. -
Exceptional Skull of Huayqueriana (Mammalia, Litopterna, Macraucheniidae) from the Late Miocene of Argentina: Anatomy, Systematics, and Paleobiological Implications
EXCEPTIONAL SKULL OF HUAYQUERIANA (M AMMALIA, LITOPTERNA, M ACRAUCHENIIDAE) FROM THE L ATE MIOCENE OF ARGENTINA: ANATOMY, SYSTEMATICS, AND PALEOBIOLOGICAL IMPLICATIONS ANALÍA M. FORASIEPI, ROSS D.E. MacPHEE, SANTIAGO HERNÁNDEZ DEL PINO, GABRIELA I. SCHMIDT, ELI AMSON, AND CAMILLE GROHÉ BULLETIN OF THE AMERICAN MUSEUM OF NATURAL HISTORY EXCEPTIONAL SKULL OF HUAYQUERIANA (MAMMALIA, LITOPTERNA, MACRAUCHENIIDAE) FROM THE LATE MIOCENE OF ARGENTINA: ANATOMY, SYSTEMATICS, AND PALEOBIOLOGICAL IMPLICATIONS ANALÍA M. FORASIEPI IANIGLA, CCT- Mendoza, CONICET ROSS D. E. MacPHEE Department of Mammalogy, American Museum of Natural History SANTIAGO HERNÁNDEZ DEL PINO IANIGLA, CCT- Mendoza, CONICET GABRIELA I. SCHMIDT Laboratorio de Paleontología de Vertebrados (CICYTTP-CONICET) ELI AMSON Paläontologisches Institut und Museum, Universität Zürich CAMILLE GROHÉ Department of Vertebrate Paleontology, American Museum of Natural History BULLETIN OF THE AMERICAN MUSEUM OF NATURAL HISTORY Number 404, 76 pp., 30 figures, 5 tables Issued June 22, 2016 Copyright © American Museum of Natural History 2016 ISSN 0003-0090 CONTENTS Abstract.............................................................................. 3 Introduction.......................................................................... 3 Geographical and geological contexts................................................... 5 Material and methods ................................................................ 7 Abbreviations ...................................................................... -
Paleoenvironmental Model for the Late Cenozoic of Southwestern Amazonia: Paleontology and Geology
PALEOENVIRONMENTAL MODEL FOR THE LATE CENOZOIC OF SOUTHWESTERN AMAZONIA: PALEONTOLOGY AND GEOLOGY Edgardo Μ. LATRUBESSE1, Jean BOCQUENTIN1, José Carlos R. SANTOS', Carlos G. RAMONELL2 ABSTRACT — Our study provides paleontological and geological data substantiating a paleoenvironmental model for the upper Miocene-Pliocene of Southwestern Amazonia. The extensive Late Tertiary sediments of The Solimões Formation, outcropping in Southwestern Amazonia, were deposited by a complex megafan system, originating in the high Peruvian Andes. The megafan system was the sedimentological response to the Andean Quechua tec tonic phase of Tertiary age, producing sediments that fdled the foreland basin of Southwestern Amazonia. Occurrences of varied vertebrate fossil assemblages of the Huayquerian- Montehermosan Mammal age collected in these sediments support this interpretation. The fauna includes several genera and species of fishes, reptiles, birds, mammals and appears to be one that could have lived in or near a riverine habitat. In the Late Pliocene, the megafan system became inactive as a result of the influence of the Diaguita Tectonical Phase. Key-Words: Amazonia; Sedimentary model; Megafan; Vertebrate Paleontology; Mio-Pliocene. Modelo Paleoambiental da Amazônia Sul-Ocidental Durante o Cenozóico: Paleontologia e Geologia. RESUMO — O presente trabalho refere-se à paleontologia e geologia como elementos de sustentação para um modelo paleoambiental da Amazônia Sul-Ocidental durante o Mioceno Superior-Plioceno. Os sedimentos terciarios (Formação Solimòes) aflorantes nesta região fo ram depositados por um complexo sistema de megaleque originário dos Andes peruanos. Este sistema de megaleque representa uma resposta sedimentar à fase tectônica Quechua ocorrida nos Andes durante o Mioceno Medio/Superior. Os sedimentos foram acumulados na bacia sedimentar da Amazônia Sul-Ocidental. -
Native Ungulates (Astrapotheria, Litopterna, and Notoungulata)
AMEGHINIANA - 2013 - Tomo 50 (2): 193 – 216 ISSN 0002-7014 SKULL GEOMETRIC MORPHOMETRICS AND PALEOECOLOGY OF SANTACRUCIAN (LATE EARLY MIOCENE; PATAGONIA) NATIVE UNGULATES (ASTRAPOTHERIA, LITOPTERNA, AND NOTOUNGULATA) GUILLERMO H. CASSINI1,2 1División Mastozoología, Museo Argentino de Ciencias Naturales “Bernardino Rivadavia” Av. Ángel Gallardo 470, C1405DJR, Ciudad Autónoma de Buenos Aires, Argentina. CONICET. 2Departamento de Ciencias Básicas, Universidad Nacional de Luján, Buenos Aires, Argentina [email protected] Abstract. Three orders of South American extinct native ungulates are recorded from the Santa Cruz Formation along the Atlantic coast of Patagonia: Notoungulata (Adinotherium Ameghino, Nesodon Owen, Interatherium Ameghino, Protypotherium Ameghino, Hegetotherium Ameghino, and Pachyrukhos Ameghino), Litopterna (Theosodon Ameghino, Anisolophus Burmeister, Tetramerorhinus Ameghino, Diadiapho- rus Ameghino, and Thoatherium Ameghino), and Astrapotheria (Astrapotherium Burmeister). An ecomorphological study based on geometric morphometrics of the masticatory apparatus was performed. The reference sample included 618 extant specimens of the orders Artiodactyla, Perissodactyla, Hyracoidea, and Diprotodontia. Thirty six cranial and 27 mandibular three-dimensional landmarks were digitized. Allomet- ric scaling, principal component analyses, and phylogenetic generalized estimating equations on the cranium and mandible were preformed. Analyses of cranial shape show strong phylogenetic constraints, whereas the mandibular analyses show -
Revised Stratigraphy of Neogene Strata in the Cocinetas Basin, La Guajira, Colombia
Zurich Open Repository and Archive University of Zurich Main Library Strickhofstrasse 39 CH-8057 Zurich www.zora.uzh.ch Year: 2015 Revised stratigraphy of Neogene strata in the Cocinetas Basin, La Guajira, Colombia Moreno, F ; Hendy, A J W ; Quiroz, L ; Hoyos, N ; Jones, D S ; Zapata, V ; Zapata, S ; Ballen, G A ; Cadena, E ; Cárdenas, A L ; Carrillo-Briceño, J D ; Carrillo, J D ; Delgado-Sierra, D ; Escobar, J ; Martínez, J I ; Martínez, C ; Montes, C ; Moreno, J ; Pérez, N ; Sánchez, R ; Suárez, C ; Vallejo-Pareja, M C ; Jaramillo, C DOI: https://doi.org/10.1007/s13358-015-0071-4 Posted at the Zurich Open Repository and Archive, University of Zurich ZORA URL: https://doi.org/10.5167/uzh-110320 Journal Article Accepted Version Originally published at: Moreno, F; Hendy, A J W; Quiroz, L; Hoyos, N; Jones, D S; Zapata, V; Zapata, S; Ballen, G A; Cadena, E; Cárdenas, A L; Carrillo-Briceño, J D; Carrillo, J D; Delgado-Sierra, D; Escobar, J; Martínez, J I; Martínez, C; Montes, C; Moreno, J; Pérez, N; Sánchez, R; Suárez, C; Vallejo-Pareja, M C; Jaramillo, C (2015). Revised stratigraphy of Neogene strata in the Cocinetas Basin, La Guajira, Colombia. Swiss Journal of Palaeontology, 134(1):5-43. DOI: https://doi.org/10.1007/s13358-015-0071-4 Swiss J Palaeontol DOI 10.1007/s13358-015-0071-4 Revised stratigraphy of Neogene strata in the Cocinetas Basin, La Guajira, Colombia F. Moreno • A. J. W. Hendy • L. Quiroz • N. Hoyos • D. S. Jones • V. Zapata • S. Zapata • G. A. Ballen • E. -
Mammals from the Salicas Formation (Late Miocene), La Rioja Province, Northwestern Argentina: Paleobiogeography, Age, and Paleoenvironment
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Naturalis AMEGHINIANA - 2012 - Tomo 49 (1): xxx - xxx ISSN 0002-7014 MAMMALS FROM THE SALICAS FORMATION (LATE MIOCENE), LA RIOJA PROVINCE, NORTHWESTERN ARGENTINA: PALEOBIOGEOGRAPHY, AGE, AND PALEOENVIRONMENT DIEGO BRANDONI1, GABRIELA I. SCHMIDT1, ADRIANA M.CANDELA2, JORGE I. NORIEGA1, ERNESTO BRUNETTO1, AND LUCAS E FIORELLI3. 1Laboratorio de Paleontología de Vertebrados, Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción (CICYTTP-CONICET), Diamante 3105, Argentina. [email protected], [email protected], [email protected], [email protected] 2División Paleontología Vertebrados, Museo de La Plata, La Plata 1900, Argentina. [email protected] 3Departamento de Geociencias, Centro Regional de Investigaciones Científicas y Transferencia Tecnológica (CRILAR-CONICET), 5301 Anillaco, Argentina. lfiorelli@ crilar-conicet.com.ar Abstract. This study analyzes a collection of fossil mammals from the Salicas Formation in the El Degolladito area, La Rioja Province, Ar- gentina. The materials reported herein were recovered from two sites (site 1 and site 2) and are: Macrochorobates Scillato-Yané, Chasicotatus Scillato-Yané, and Hoplophorini indet. (Xenarthra, Cingulata); Paedotherium minor Cabrera, cf Pseudotypotherium Ameghino (Notoun- gulata, Typotheria); Neobrachytherium Soria (Litopterna, Lopholipterna); Orthomyctera Ameghino, cf. Cardiomys Ameghino, Lagostomus (Lagostomopsis) Kraglievich, and Octodontidae indet. (Rodentia, Caviomorpha). This new mammalian assemblage, together with one previ- ously recorded, has several taxa in common with mammalian associations from Central Argentina (i.e., La Pampa Province). Among those coming from Northwestern Argentina, the major affinity is with the El Jarillal Member (Chiquimil Formation) and then the Andalhuala Formation (both in Catamarca Province).