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    Wyświetlanie 1-9 z 9
    Tytuł:
    First record of a chalicothere from the Miocene of Myanmar
    Autorzy:
    Chavasseau, O.
    Chaimanee, Y.
    Coster, P.
    Emonet, E.-G.
    Soe, A.N.
    Kyaw, A.A.
    Maung, A.
    Rugbumrung, M.
    Shwe, H.
    Jaeger, J.-J.
    Powiązania:
    https://bibliotekanauki.pl/articles/20027.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    first record
    chalicothere
    mammal
    Mammalia
    Perissodactyla
    Chalicotheriidae
    Chalicotheriinae
    Khoratpithecus
    paleoenvironment
    Miocene
    Myanmar
    Opis:
    Here we describe the first record of a chalicothere from the Miocene of Myanmar. The chalicothere, documented by a partial mandible, was unearthed from the lower portion of the Irrawaddy Formation in the region of Magway, Central Myanmar. The Burmese material belongs to an early late Miocene fauna which recently yielded hominoid remains attributed to Khoratpithecus. The specimen, which is attributed to a chalicotheriine, does not reliably match with any described Miocene Eurasian species of this subfamily, suggesting the possibility it belongs to a new taxon. The discovery of a chalicotheriine in the surroundings of Magway contributes to the hypothesis that closed habitats were an important component of the paleoenvironment of Khoratpithecus.
    Źródło:
    Acta Palaeontologica Polonica; 2010, 55, 1
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    First record of a Jurassic mammal [?'Peramura'] from Ethiopia
    Autorzy:
    Clemens, W A
    Goodwin, M.B.
    Hutchison, J.H.
    Schaff, C.R.
    Wood, C.B.
    Colbert, M.W.
    Powiązania:
    https://bibliotekanauki.pl/articles/21748.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Ethiopia
    tooth fragment
    first record
    mammal
    Peramura
    Mammalia
    Jurassic
    Mugher Mudstone
    paleontology
    Opis:
    The first record of Mesozoic mammals in Ethiopia is a fragment of a lower mammalian molar discovered in residues left after acid dissociation of a small (ca. 4 kg) geological hand sample of a fine−grained bone bed in the lower part of the Mugher Mudstone exposed in the valley of the Jema River. This bone bed is part of a series of estuarine to fluvial deposits that are thought to be of Late Jurassic (Tithonian) age. The fragment preserves the trigonid of a molar; the distal part of its crown is missing. Morphological characters of the trigonid indicate the specimen (JEM−5/21) documents the presence of a mammal with a dentition at either a derived pretribosphenic or primitive tribosphenic grade of evolution. Absence of a well developed basal cingulid around the mesial end of the crown argues against phylogenetic relationships to the australosphenidans. Loss of the distal portion of the crown removed characters critical for determining its grade of evolution. The working hypothesis that JEM−5/21 represents a “peramuran” is advanced for testing. Hypotheses that it represents a mammal with a more derived grade of molar evolution or a previously unknown group of mammals cannot be excluded. JEM−5/21 establishes the presence of mammals in Ethiopia during the Late Jurassic, and its discovery identifies a fossil locality warranting thorough future exploration.
    Źródło:
    Acta Palaeontologica Polonica; 2007, 52, 3
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The first record of the mosasaur Clidastes from Europe and its palaeogeographical implications
    Autorzy:
    Lindgren, J
    Siverson, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/22232.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Reptilia
    first record
    Cretaceous
    Sweden
    tooth
    Mosasauridae
    Campanian
    Europe
    Clidastes
    paleogeography
    mosasaur
    paleontology
    Opis:
    Remains of the mosasaur Clidastes propython in marine strata of latest early Campanian age from the Kristianstad Basin, southern Sweden, represent the first record of Clidastes outside of North America. The material consists of shed marginal and pterygoid tooth−crowns, and vertebrae (including eleven associated cervicals and dorsals from a juvenile). The majority of the teeth and skeletal elements can be referred to juveniles (mostly in the estimated 2–3 m total body length range), but large, presumably adult individuals (up to an estimated total length of 6 m) are also represented. Available data indicate that the Kristianstad Basin population of C. propython represents a short−lived migration, most likely from the Mississippi Embayment in North America. The local extinction of Clidastes in southern Sweden, tentatively placed at the early/late Campanian boundary (sensu germanico), may coincide with that in the Western Interior Seaway and Gulf Coast of North America. Within the Kristianstad Basin area, Clidastes occurs in high−energy, shallow water deposits, where it is the most common mosasaur. This finding is in stark contrast to recent publications suggesting that Clidastes inhabited mainly off−shore, deeper waters.
    Źródło:
    Acta Palaeontologica Polonica; 2004, 49, 2
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    First record of a basal neoceratopsian dinosaur from the Late Cretaceous of Kazakhstan
    Autorzy:
    Averianov, A
    Sues, H.D.
    Powiązania:
    https://bibliotekanauki.pl/articles/23104.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    paleontology
    first record
    neoceratopsian dinosaur
    dinosaur
    Late Cretaceous
    Cretaceous
    Kazakhstan
    systematics
    Aral Sea
    Opis:
    The oldest known ceratopsians come from the Late Jurassic of China (Zhao et al. 1999; Xu et al. 2006). During the Early Cretaceous, the basal ceratopsian Psittacosaurus was among the most common dinosaurs in Asia but more derived basal neoceratopsians were quite rare on that continent (Xu et al. 2002; Makovicky and Norell 2006). Basal neoceratopsians became more abundant in the Late Cretaceous of Mongolia and China, although they are not known in this region from the latest Cretaceous (You and Dodson 2004; Alifanov 2008). In contrast, basal neoceratopsians are rare during the Early Cretaceous in North America but became common and diverse during the Campanian and Maastrichtian (You and Dodson 2004; Chinnery and Horner 2007). Little is known about the evolutionary history of this group in more inland regions of what are now Kazakhstan and adjoining countries. Asiaceratops documents the presence of basal neoceratopsians in the Cenomanian of Uzbekistan (Nessov et al. 1989). Here we report on the first record of a basal neoceratopsian in the Late Cretaceous of Kazakhstan, based on two cranial bones from the Turonian Zhirkindek Formation in the northeastern Aral Sea region.
    Źródło:
    Acta Palaeontologica Polonica; 2009, 54, 3; 553-556
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Middle Miocene bovids from Mae Moh Basin, Northern Thailand: The first record of the genus Eotragus from Southeast Asia
    Autorzy:
    Suraprasit, K.
    Chaimanee, Y.
    Chavasseau, O.
    Jaeger, J.-J.
    Powiązania:
    https://bibliotekanauki.pl/articles/945603.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Middle Miocene
    Miocene
    Mae Moh Basin
    Thailand
    first record
    Eotragus
    Mammalia
    Bovidae
    Asia
    Opis:
    We describe the first bovid fossils from the late middle Miocene (13.4–13.2 Ma) of the Mae Moh Basin of Northern Thailand, and assign the material to the new species Eotragus lampangensis sp. nov., Eotragus cf. lampangensis, and an indeterminate bovid. Our material represents the first report of Eotragus from Southeast Asia, thus greatly extending the geographic distribution of this genus across the Old World continents. While comparisons of the Southeast Asian specimens with abundant material of E. clavatus from Sansan (France) and E. aff. clavatus from Tarazona de Aragón (Spain) indicate a high degree of intraspecific variation within single species of Eotragus, the existence of two distinct taxa at Mae Moh remains a possibility. Based on previous carbon isotope studies of Mae Moh herbivore tooth enamel, Eotragus lampangensis sp. nov. foraged predominantly in an ecotone between grassland and forest.
    Źródło:
    Acta Palaeontologica Polonica; 2015, 60, 1; 67-78
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The first multituberculate from the Uppermost Cretaceous of the Gobi Desert (Mongolia)
    Pierwszy multituberkulat z najwyższej kredy pustyni Gobi (Mongolia)
    Pervye nakhodki multituberkuljata w krowle mela pustyni Gobi (Mongolija)
    Autorzy:
    Kielan-Jaworowska, Z.
    Sochava, A.V.
    Powiązania:
    https://bibliotekanauki.pl/articles/22892.pdf
    Data publikacji:
    1969
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    first record
    multituberculate
    mammal
    Buginbaatar transaltaiensis
    new genus
    new species
    Upper Cretaceous
    Cretaceous
    Gobi Desert
    Mongolia
    Źródło:
    Acta Palaeontologica Polonica; 1969, 14, 3
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    First record of the fossil dragonfly family Eumorbaeschnidae from the Upper Jurassic of Poland
    Autorzy:
    Bechly, G.
    Kin, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/20566.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    first record
    fossil
    dragonfly
    Eumorbaeschnidae
    Eumorbaeschna adriankini
    new species
    insect
    Odonata
    Anisoptera
    Aeshnoptera
    Upper Jurassic
    Jurassic
    Polska
    Opis:
    The fossil dragonfly Eumorbaeschna adriankini sp. nov. is decribed as first fossil insect from the Upper Jurassic of Central Poland (Owadów−Brzezinki quarry, Tomaszów Mazowiecki area), and as first record of the family Eumor− baeschnidae (Odonata, Anisoptera, Aeshnoptera) outside the Solnhofen lithographic limestone.
    Źródło:
    Acta Palaeontologica Polonica; 2013, 58, 1
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    First Mesozoic record of the stingray Myliobatis wurnoensis from Mali and a phylogenetic analysis of Myliobatidae incorporating dental characters
    Autorzy:
    Claeson, K.M.
    O'Leary, M.A.
    Roberts, E.M.
    Sissoko, F.
    Bouare, M.
    Tapanila, L.
    Goodwin, D.
    Gottfried, M.D.
    Powiązania:
    https://bibliotekanauki.pl/articles/20545.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    paleontology
    first record
    Mesozoic
    stingray
    Myliobatis wurnoensis
    Mali
    phylogenetic analysis
    Myliobatidae
    dentition
    Chondrichthyes
    Myliobatiformes
    batoid fish
    fish
    Cretaceous
    Maastrichtian
    Opis:
    New specimens, including the first record of lower dental plates, of the extinct myliobatid Myliobatis wurnoensis were recovered from the Maastrichtian (Late Cretaceous) of the Iullemmeden Basin, Mali, and are the oldest record of the taxon. We evaluated the phylogenetic position of this taxon with reference to other myliobatids (extinct and extant) using osteology and dentition. Our results indicate that Myliobatinae and Myliobatis are each paraphyletic, and that Aetobatus and Rhinoptera are monophyletic. We also found that taxa known only from the Cretaceous, Brachyrhizodus and Igdabatis, are highly nested within Myliobatidae. The phylogenetic position of these taxa unambiguously extends the origin of Myliobatidae and most of its representative taxa into the Mesozoic.
    Źródło:
    Acta Palaeontologica Polonica; 2010, 55, 4
    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
      Wyświetlanie 1-9 z 9

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