[PDF] Top 20 The fossil record of South American short-faced bears (Ursidae, Tremarctinae)
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The fossil record of South American short-faced bears (Ursidae, Tremarctinae)
... during the Late Lujanian but in northern South America, ...are the only records for ...determine the biochron of ...samples of the species lack precise indicators ...out ... See full document
9
Estimación de la masa corporal de las especies de osos fósiles y actuales (Ursidae, Tremarctinae) de América del Sur
... estimate the body mass of fossil taxa. We calculate the body mass of extant and fossil South American bears (Tremarctos ornatus and Arctotherium ... See full document
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The Southernmost bear: Pararctotherium (Carnivora, Ursidae, Tremarctinae) in the latest Pleistocene of Southern Patagonia, Chile
... portion of femur found in the Cueva del Mylodon (Ultima Esperanza, Chile; 52 8 05 9 37 0 S; 69 8 44 9 31 0 W; ...Although the specimen is now lost, the size and morphology of are those ... See full document
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Morfología de los dientes deciduos de algunos tremactinos (Ursidae: Tremarctinae) . Descripciones, comparaciones y posibles implicancias filogenéticas
... reported the discovery of de- ciduous teeth of South American short-faced bears, found in 1923 at Km 150 of “Canal 9” (at 4 m depth), Buenos Aires Province, ... See full document
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The fossil record of the short-faced bears (Ursidae, Tremarctinae) from Venezuela. Systematic, biogeographic, and paleoecological implications
... The crown of the lower first molar (mI) (MBLUZ- P-5.119, Fig. 2e) is sub- rectangular, with lingual margins almost straight, labial margin with two convexities (at the trigonid and talon[r] ... See full document
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Inferring palaeoecology in extinct tremarctine bears (Carnivora, Ursidae) using geometric morphometrics
... Within the animal consumption category, the sec- ond RW mainly separates the polar bear, which feeds predominantly on vertebrate flesh (DeMaster & Stirling 1981), from the highly ... See full document
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First report of a South American short-faced bears' den (Arctotherium angustidens): palaeobiological and palaeoecological implications
... from the middle Pliocene to early Pleistocene of South ...Only the medium-sized carnivore Thylacosmilus Riggs, 1933 (Mar- supial sabre-toothed ‘cat’), together with small and omnivorous ... See full document
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A 6,000+ year-old specimen of a spectacled bear from an Andean cave in Peru
... (short-faced bears) are known in the fossil record from different localities in North and South America (Kurte´n 1966, Soibelzon et ...Curiously, the living ... See full document
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Sixty years after ‘The mastodonts of Brazil’: The state of the art of South American proboscideans (Proboscidea, Gomphotheriidae)
... undisputed record of Proboscidea in South America is a fragmented vertebra from the upper section of the Uquia For- mation (younger than ...from the earliest Pleistocene ... See full document
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Mitochondrial genomes reveal an explosive radiation of extinct and extant bears near the Miocene-Pliocene boundary
... in the bear family tree, except for the position of the sloth bear ...facilitate the molecular dating of divergence events within a phylogeny ...resolve the relationships ... See full document
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The largest known bear, Arctotherium angustidens, from the early Pleistocene pampeam region of Argentina: with a discussion of size and diet trends in bears
... to the Tremarctinae subfamily (Carnivora: Ursidae), a diverse and endemic group of American bears that includes small to gigantic species recorded from late Miocene to recent ... See full document
8
The Gondwanan legacy in South American biogeography
... that the incongruent pattern in the distribu- tion of average clade age in South American forests can be explained at least in part by the history of a large portion ... See full document
9
Trans pacific glacial response to the Antarctic Cold Reversal in the southern mid latitudes
... side of the valley) that reach up to 200 m above both sides of the valley fl ...For the majority of their extent these moraines exhibit a single crest; some areas, however, ... See full document
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Marine benthic algae from Uruçuca, Bahia, Brazil.
... This study aimed to record the biodiversity of the marine benthic algae from the State of Bahia, is part of program "Inventory of the Marine Benthic Algae from South Bahia",[r] ... See full document
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Prepartum and postpartum trophic segregation between sympatrically breeding female Arctocephalus australis and Otaria flavescens
... analysis, the main prey items identified for SASLs are Marini’s anchovy (Anchoa marinii), striped weakfish (Cynoscion guatucupa), and sablefish (Trichiurus lepturus—Naya et ...from the coast) in Uruguay ... See full document
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NEW RECORDS OF TROPICAL DRY FOREST´S MAMMALS FROM THE STATE OF MEXICO
... along the tropical lowlands of the Pacific coast, from Sonora to Oaxaca, including Durango, Zacatecas, and ...Morelos. The present record confirms the distribution of ... See full document
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CHALLENGES FACING LANDLOCKED DEVELOPING COUNTRIES
... among the landlocked countries in each region. Figure 1 plots the HDI score of each landlocked country relative to the average of its regional HDI, highlighting the different ... See full document
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TítuloA new species of "Ampharete" (Annelida: Ampharetidae) from the West Shetland shelf (NE Atlantic Ocean), with two updated keys to the species of the genus in North Atlantic waters
... by the Joint Nature Conservation Committee and Marine Scotland Science, in the West Shetland Shelf NCMPA in the NE ...presence of eyes both in the prostomium and the pygidium, ... See full document
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The paleoflora of King George Island, Antarctic Peninsula, and its contribution to paleogeography, paleoclimate and the evolution of austral floras
... paleofloristic record of King George Island (South Shetland Islands) and the Antarctic Peninsula is discussed including its importance in paleogeographic and paleoclimate reconstructions, ... See full document
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Ecology of the large South American snake, Hydrodynastes gigas (Serpentes: Dipsadidae)
... analyzed the ecology of Hydrodynastes gigas, one of the largest snakes of South America, studying 342 specimens obtained during 21 years of field sampling including road ... See full document
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