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    Wyświetlanie 1-8 z 8
    Tytuł:
    First ? cimolodontan multituberculate mammal from South America
    Autorzy:
    Kielan-Jaworowska, Z
    Ortiz-Jaureguizar, E.
    Vieytes, C.
    Pascual, R.
    Goin, F.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/20688.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Argentina
    mammal
    Cretaceous
    Argentodites coloniensis
    new species
    new genus
    La Colonia Formation
    South America
    Multituberculata
    paleontology
    Cimolodonta
    Opis:
    We describe a Cretaceous ?cimolodontan multituberculate p4 from South America, for which we erect the new genus and species Argentodites coloniensis. This new taxon is represented by an isolated ?left p4 from the Upper Cretaceous (?Campanian or Maastrichtian) La Colonia Formation of Patagonia (Fig. 1). It has a strongly convex anterior margin and prismatic enamel, which attest to its cimolodontan nature, while the previously known p4 (MACN−RN 975) from the Late Cretaceous Los Alamitos Formation is roughly rectangular, suggesting “plagiaulacidan” affinity. The presence of normal prismatic enamel in Argentodites suggests similarities to Ptilodontoidea. However, it differs from the Late Cretaceous and Paleocene Laurasian cimolodontans (including Ptilodontoidea) in having a long, straight posterior margin, a nearly straight dorsal margin, characteristic of some “Plagiaulacida”, and in having the lingual side close to the mirror image of the labial side, the character that poses difficulties in establishing whether it is a right or left tooth. Because of these differences we assign Argentodites to ?Cimolodonta, tentatively only, superfamily and family incertae sedis.
    Źródło:
    Acta Palaeontologica Polonica; 2007, 52, 2
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    First record of an extinct marabou stork in the Neogene of South America
    Autorzy:
    Noriega, J.I.
    Cladera, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/21259.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    first record
    marabou stork
    Neogene
    South America
    Leptoptilos patagonicus
    Ciconiiformes
    Ciconiidae
    Leptoptilini
    Late Miocene
    Miocene
    Puerto Madryn Formation
    Chubut province
    Argentina
    wing bone
    leg bone
    Opis:
    We describe a new large species of marabou stork, Leptoptilus patagonicus(Ciconiiformes, Ciconiidae, Leptoptilini), from the late Miocene Puerto Madryn Formation, Chubut Province, Argentina. The specimen consists mainly of wing and leg bones, pelvis, sternum, cervical vertebrae, and a few fragments of the skull. We provisionally adopt the traditional systematic scheme of ciconiid tribes. The specimen is referred to the Leptoptilini on the basis of similarities in morphology and intramembral proportions with the extant genera Ephippiorhynchus, Jabiru, and Leptoptilos. The fossil specimen resembles in overall morphology and size the species of Leptoptilos, but also exhibits several exclusive characters of the sternum, humerus, carpometacarpus, tibiotarsus, and pelvis. Additionally, its wing proportions differ from those of any living taxon, providing support to erect a new species. This is the first record of the tribe Leptoptilini in the Tertiary of South America.
    Źródło:
    Acta Palaeontologica Polonica; 2008, 53, 4
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Predation by drilling gastropods and asteroids upon mussels in rocky shallow shores of southernmost South America: Paleontological implications
    Autorzy:
    GORDILLO, SANDRA
    ARCHUBY, FERNANDO
    Powiązania:
    https://bibliotekanauki.pl/articles/945760.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    paleontology
    predation
    drilling gastropod
    gastropod
    Trophon geversianus
    Xymenopsis muriciformis
    Acanthina monodon
    asteroid
    Cosmasterias lurida
    Anasterias antarctica
    mussel
    Mytilus chilensis
    Brachidontes purpuratus
    Aulacomya atra
    rocky shore
    shallow shore
    South America
    Bivalvia
    Gastropoda
    Asteroidea
    prey selection
    taphonomy
    Tierra del Fuego
    Argentina
    Opis:
    To achieve a better understanding of predation pattern recorded in the fossil record it is essential to study predator−prey interactions in the modern seas. It includes the data collected from the field observations as well as from the experiments in captivity. Such an approach allows recognition of the bioeroders, its description and also provides quantification of these interactions. This work offers a case study of the traces of predation resulting from the predator−prey interactions between three mussels: Mytilus chilensis, Brachidontes purpuratus, and Aulacomya atra; and their five natural enemies: the gastropods Trophon geversianus, Xymenopsis muriciformis, and Acanthina monodon, and the asteroids Cosmasterias lurida and Anasterias antarctica living along the intertidal and/or subtidal rocky shores in Tierra del Fuego. The predatory damage to mussel shells varies according to the predator and prey species and techniques for attacking prey are highly specialized. A. monodon drills a hole in B. purpuratus but uses the outer lip of its shell as a wedge to open the valves of M. chilensis and A. atra. T. geversianus always makes holes, but while it drills the valve walls of M. chilensis, it prefers to drill the valve edges of A. atra and B. purpuratus, with different characteristic patterns. Usually the shells of mussels killed by C. lurida do not suffer from any mechanical damage, but some other shells were crushed or fractured along the margins. Comparatively, time required to successfully attack a prey was shorter in C. lurida (24 hours), followed by A. monodon (36 hours), and longer in T. geversianus (9 to 10 days). Traces of predation are not randomly distributed across size classes of mussel prey, reflecting selectivity for a particular size class. Also, drill holes are usually placed at specific sectors of the shell, indicating site selectivity. These observations offer some paleontological implications for investigating the pattern of predation in fossil record. They show that different patterns of shell damage can be due to different predator species (e.g., wall vs. edge drillings), although the same predator species can leave different marks when consuming different prey (e.g., T. geversianus). Most disconcerting for paleontologists are cases of predation which do not leave any marks on the prey shell detectable in the fossil record (e.g., predation by asteroids), or leave ambiguous marks (A. monodon when preying with the spine). In conclusion, besides the opportunity to identify some traces of predation by drilling gastropods in fossil mussels, this work gives criteria to address predation in some particular paleontological cases that would otherwise be dismissed by researchers.
    Źródło:
    Acta Palaeontologica Polonica; 2012, 57, 3; 633-646
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Troska metropolity Szeptyckiego o ukraińskich emigrantów w Ameryce Północnej i Południowej
    Concern Metropolitan Sheptytsky of the Ukrainian Emigrants in North and South America
    Autorzy:
    Kubasik, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/449904.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie
    Tematy:
    Sheptytsky
    metropolitan
    Ruthenians
    Ukrainians
    South America
    North America
    USA
    Canada
    Brazil
    Argentina
    the emigrants
    Greek Catholics
    Greek Catholic church
    Bishop Soter Ortyński
    Opis:
    At the turn of the nineteenth and twentieth century a large group of Galician Ruthenians emigrated to North America and the United States and Canada, South America - mainly to Argentina and Brazil. Sheptytsky visited North America in 1910. He met with Ukrainian Greek Catholic immigrant communities in the United States and Canada. In 1921, he visited the USA and Canada again. In 1922 he arrived to Argentina and Brazil. He did not conduct open political agitation. However, some of his speeches have an anti-Polish character.
    Źródło:
    Saeculum Christianum. Pismo Historyczne; 2016, 23; 250-262
    1232-1575
    Pojawia się w:
    Saeculum Christianum. Pismo Historyczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The last Cretaceous ammonites in Latin America
    Autorzy:
    Stinnesbeck, W.
    Ifrim, C.
    Salazar, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/20513.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    paleontology
    Cretaceous
    ammonite
    Latin America
    Ammonoidea
    Paleogene
    Maastrichtian
    Chile
    Argentina
    South America
    Opis:
    Sections yielding late Maastrichtian ammonite assemblages are rare in Latin America and precise biostratigraphic correlation with European type sections remains difficult. In all, the extinction pattern of ammonites appears to differ between sites in southern high latitudes and those in the tropics to subtropics. In austral sections of Chile, and possibly also in southern Argentina, diverse assemblages range throughout most of the substage and then show a gradual decline prior to the Cretaceous–Paleogene (K–Pg) boundary. Further north, in northeast Brazil, only two genera (Diplomoceras, Pachydiscus) range into the uppermost Maastrichtian, but disappear within the last 0.3 Ma of the Cretaceous. In tropical sections of Columbia and Mexico, the decline of ammonites started earlier and Sphenodiscus is the last ammonite known to occur in the late Maastrichtian. In all sections revised here the disappearance of ammonites was completed prior to the end of the Maastrichtian and was thus independent of the asteroid impact at, or near, the end of the Cretaceous.
    Źródło:
    Acta Palaeontologica Polonica; 2012, 57, 4
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pleistocene burrows in the Mar del Plata area [Argentina] and their probable builders
    Autorzy:
    Vizcaino, S F
    Zarate, M.
    Bargo, M.S.
    Dondas, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/21211.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Argentina
    burrow
    Mylodontidae
    deposit
    Pleistocene
    Mar del Plata area
    South America
    fossil animal
    Opis:
    Structures discovered near Mar del Plata are attributed to palaeoburrows built by fossil animals on the basis of morphological patterns, transgressive boundaries in relation to the sedimentary units, and the presence of claw marks on the walls and roofs. They are discrete features of several metres in length, and with subrounded cross sections. Their diameters range from 0.80 to 1.80 m, with the width generally exceeding the height. These structures occur in Pleistocene deposits containing mammals referable to the Ensenadan and Lujanian Ages. Several Xenarthra are good candidates as builders of these burrows. Palaeoburrows were attributed before to the large Pleistocene armadillos Propraopus, Eutatus, and Pampatherium. We consider the possibility that the mylodontid ground sloths were responsible for excavating the burrows. The similar diameters of the burrows and the sloths are consistent with this observation. Anatomical, allometric, and biomechanical analysis of sloths limbs indicates that they were well designed to perfonn such activity. The shape of some claw marks preserved on the sides and roof of the burrows fits the form of their hand skeleton. Thus, the mylodontid sloths Scelidotherium and Glossotherium are considered as possible builders for the large late Cenozoic burrows present in the Pampean region.
    Źródło:
    Acta Palaeontologica Polonica; 2001, 46, 2
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Paleoecology of the large carnivore guild from the late Pleistocene of Argentina
    Autorzy:
    Prevosti, F.J.
    Vizcaino, S.F.
    Powiązania:
    https://bibliotekanauki.pl/articles/23538.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Carnivora
    carnivore
    Late Pleistocene
    Pleistocene
    South America
    paleoecology
    population density
    Argentina
    paleontology
    fossil carnivore
    locality
    biomass
    ecology
    Opis:
    The paleoecology of the South American fossil carnivores has not been as well studied as that of their northern relatives. One decade ago Fariña suggested that the fauna of Río Luján locality (Argentina, late Pleistocene–early Holocene) is not balanced because the metabolic requirements of the large carnivores are exceeded by the densities and biomass of the large herbivores. This conclusion is based on the calculation of densities using allometric functions between body mass and population abundance, and is a consequence of low carnivore richness versus high herbivore richness. In this paper we review the carnivore richness in the Lujanian of the Pampean Region, describe the paleoecology of these species including their probable prey choices, and review the available information on taphonomy, carnivore ecology, and macroecology to test the hypothesis of “imbalance” of the Río Luján fauna. The carnivore richness of the Río Luján fauna comprises five species: Smilodon populator, Panthera onca, Puma concolor, Arctotherium tarijense, and Dusicyon avus. Two other species are added when the whole Lujanian of the Buenos Aires province is included: Arctotherium bonariense and Canis nehringi. With the exception of D. avus and Arctotherium, these are hypercarnivores that could prey on large mammals (100–500 kg) and juveniles of megamammals (>1000 kg). S. populator could also hunt larger prey with body mass between 1000 and 2000 kg. The review of the “imbalance” hypothesis reveals contrary evidence and allows the proposal of alternative hypotheses. If high herbivore biomass occurred during the Lujanian, a higher density of carnivores could be supported than as inferred from the power function of body size and population density.
    Źródło:
    Acta Palaeontologica Polonica; 2006, 51, 3
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ojciec Lucjan Łuszczki OFM jako Rektor Polskiej Misji Katolickiej w Argentynie w latach 1961-1971
    Father Lucjan as Rector of the Polish Catholic Mission in Argentina in 1961-1971
    Autorzy:
    Kowalska, Jadwiga
    Powiązania:
    https://bibliotekanauki.pl/articles/31339213.pdf
    Data publikacji:
    2023
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
    Tematy:
    Polska Misja Katolicka
    Argentyna
    Ameryka Południowa
    Lucjan Łuszczki OFM
    Polacy
    emigracja
    Polonia
    duszpasterstwo
    bernardyni
    Polish Catholic Mission
    Argentina
    South America
    father Lucjan Łuszczki
    Poles
    emigration
    Pastoral Work
    Franciscans
    Opis:
    Tematyka duszpasterskiej działalności rektora Polskiej Misji Katolickiej w Argentynie o. Lucjana Łuszczkiego OFM (1910-1991) to tylko przyczynek do dalszych badań nad osobą zakonnika. Ukazano jego dorobek na tle krótkiego życiorysu, ze wskazaniem najważniejszych wydarzeń przypadających na pobyt w Ameryce Południowej – obchody Tysiąclecia Polski (1966) oraz wizyta duszpasterska biskupa Władysława Rubina (1968). Poprzez pracę zakonnika zobrazowano także polską społeczność zamieszkującą Amerykę Łacińską oraz jej sytuację polityczną i problemy życia codziennego.
    The article presents the life and work of Fr. Lucjan Łuszczki (1910-1991) a Polish monk who was active in South America, latterly as Rector of the Polish Catholic Mission in Argentina where he oversaw the Millennium celebrations of Poland’s Christianity (1966) and the pastoral visit of Bishop Władysław Rubin (1968). Through the prism of Fr. Łuszczki’s pastoral work the article also paints a picture of the life of Polish diaspora in South America – the political, social, economic and everyday life issues with which they had to contend.
    Źródło:
    Studia Polonijne; 2023, 44; 231-243
    0137-5210
    Pojawia się w:
    Studia Polonijne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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