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Wyszukujesz frazę "Ren, D." wg kryterium: Autor

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    Wyświetlanie 1-7 z 7
    Tytuł:
    A new fossil lacewing genus and species from the Middle Jurassic of Inner Mongolia, China
    Autorzy:
    Wang, Y
    Liu, Z.
    Ren, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/22432.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    new fossil
    fossil
    paleontology
    systematics
    lacewing genus
    lacewing species
    Middle Jurassic
    Jurassic
    Inner Mongolia
    China
    Tenuosmylus brevineurus
    Poriminae
    Eidoporisminae
    Stenosmylinae
    Opis:
    A new fossil lacewing, Tenuosmylus brevineurus gen. et sp. nov., was collected from an outcrop of Middle Jurassic strata in the village of Daohugou, Inner Mongolia, China. The new genus is assigned to Gumillinae based on eleven defining characteristics of the subfamily. The affiliation of Tenuosmylus including other five genera of the subfamily is discussed. Our result supports the opinion that Epiosmylinae was a junior synonym of Gumillinae, which is likely a relic of ancient osmylids based on similarity of forewing venation. Veins Mp₂ and Cu₂ have complicated branches that are generally present in extinct as well as some extant subfamilies (Poriminae, Eidoporisminae, Stenosmylinae). A key is given to differentiate six known genera within Gumillinae.
    Źródło:
    Acta Palaeontologica Polonica; 2009, 54, 3; 557-560
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new basal osmylid neuropteran insect from the Middle Jurassic of China linking Osmylidae to the Permian – Triassic Archeosmylidae
    Autorzy:
    Makarkin, V.V.
    Yang, Q.
    Ren, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/20177.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Opis:
    A new osmylid neuropteran insect Archaeosmylidia fusca gen. et sp. nov. is described from the Middle Jurassic locality of Daohugou (Inner Mongolia, China). Its forewing venation differs from that of other hitherto known osmylids by a set of plesiomorphic features. This genus is considered here as representing a basal group of Osmylidae. The Permian–Triassic family Archeosmylidae comprises the genera Archeosmylus, Babykamenia, and Lithosmylidia. Archaeosmylidia and Archeosmylidae share the few−branched CuP, the absence of zigzag vein pattern, and the scarcity of the crossveins in the radial space.Weestimate that Osmylidae might have originated in the Triassic from some “archeosmylid−like” ancestor.
    Źródło:
    Acta Palaeontologica Polonica; 2014, 59, 1
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new cnemidolestodean stem-orthopteran insect from the Late Carboniferous of China
    Autorzy:
    Gu, J.-J.
    Bethoux, O.
    Ren, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/945881.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    paleontology
    cnemidolestodean insect
    insect
    Insecta
    Archaeorthoptera
    Cnemidolestodea
    Aetophlebia singularis
    Late Carboniferous
    China
    Opis:
    A new Late Carboniferous cnemidolestodean insect Xixia huban gen. et sp. nov., is described from the Xiaheyan locality (Zhongwei City, Ningxia, China; Tupo Formation). Its combination of character states and observed variants on the wing venations are indicative of homologies shared with more derived members of the order. In particular it is ascertained that MP runs fused with CuA and CuA + CuPa, but is not usually visible as a distinct vein. The new genus exhibits previously unknown coloration pattern composed of dark patches distributed over the whole forewing (as opposed to regular stripes or rows of spots, previously documented in the group). The comparatively abundant sample makes it one of the best documented cnemidolestodeans to date.
    Źródło:
    Acta Palaeontologica Polonica; 2014, 59, 3; 689-696
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New Middle Jurassic tangle-veined flies from Inner Mongolia, China
    Autorzy:
    Zhang, K
    Yang, D.
    Ren, D.
    Ge, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/20019.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Middle Jurassic
    nemestrinid fly
    morphology
    Nemestrinidae
    tangle veined fly
    fossil
    paleontology
    China
    Jurassic
    Ahirmoneura neimengguensis
    Inner Mongolia
    Opis:
    Many Jurassic fossil nemestrinid flies have been found in the Palaearctic region. China is an important locality for fossil nemestrinid flies. Up to now, 2 genera with 3 species have been discovered in China. In the present paper, a third genus and species, Ahirmoneura neimengguensis Zhang, Yang, and Ren, gen. et sp. nov., from the Middle Jurassic Daohugou Formation of China is described. A key to genera of fossil nemestrinid flies from China is given.
    Źródło:
    Acta Palaeontologica Polonica; 2008, 53, 1
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new genus of lance lacewings from the Middle Jurassic of Inner Mongolia, China
    Autorzy:
    Ma, Y.
    Shih, C.
    Ren, D.
    Wang, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/2082186.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Insecta
    Neuroptera
    Osmylidae
    Osmylinae
    Mesozoic
    Asia
    China
    Opis:
    Fossils of Osmylinae are rare, currently only one fossil genus of this subfamily is known, Lithosmylus which is recorded from the late Eocene Florissant Formation of USA. Herein, we report a new Osmylinae genus with two new species, Vetosmylus tentus gen. et sp. nov. and Vetosmylus maculosus gen. et sp. nov. from the Middle Jurassic Jiulongshan Formation of Daohugou Village, Inner Mongolia, China, The new genus shares many apomorphic characters with extant osmyline relatives, e.g., forked subcostal veinlets in forewing; dense cross-veins present in radial sector, usually forming one complete outer gradate series in forewing; the region between MA and MP significantly broadened in hind wing, but with only one row of cells, implying a likely morphological stasis during the evolution of Osmylinae. The new genus Vetosmylus, the first and earliest record hitherto of Osmylinae from the Mesozoic, enhances our understanding of the early stages of their evolution.
    Źródło:
    Acta Palaeontologica Polonica; 2020, 65, 2; 363-369
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new tealliocaridid crustacean from the Late Carboniferous of North China and its biogeographic implications
    Autorzy:
    Yang, Q.
    Gueriau, P.
    Charbonnier, S.
    Ren, D.
    Bethoux, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/21764.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Opis:
    A new tealliocaridid eumalacostracan is described from the Late Carboniferous Tupo Formation (Ningxia, China). Laevitealliocaris xiaheyanensis gen. et sp. nov. is represented by a single specimen, characterised by the possession of a short rostrum without dorsal spine, a short postcervical carina and only one weak branchial carina, both tuberculate, and a short sixth pleonal somite. This is the first unequivocal record of tealliocaridids outside Euramerica, which occurrence along the eastern inner margin of the Palaeotethys suggests that these crustaceans were more widely distributed than previously recognised, very likely extending to the whole intertropical area. The new occurrence demonstrates that tealliocaridids had strong dispersal capacities, interestingly challenging their affinities with peracarids, which today do not have free-living larvae, unlike decapod crustaceans.
    Źródło:
    Acta Palaeontologica Polonica; 2018, 63, 1
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new Early Cretaceous flea from China
    Autorzy:
    Zhang, Y.
    Shih, C.
    Rasnitsyn, A.P.
    Ren, D.
    Gao, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2082117.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Insecta
    Siphonaptera
    Saurophthiridae
    Saurophthirus
    ectoparasitic insects
    compression fossils
    Mesozoic
    Asia
    Opis:
    Fleas are highly specialized holometabolic insects. So far, only 16 species of fossil fleas in five families have been reported due to the rare fossil records. At present, the earliest flea fossils are reported from the Middle Jurassic Jiulongshan Formation of Northeastern China. The descriptions of these earliest species pushed back the origin of Siphonaptera by at least 40 million years. It is generally accepted that saurophthirids are the “transitional” taxa from stem Jurassic fleas to living crown groups. Herein, we described a new “transitional” flea species, Saurophthirus laevigatus Zhang, Shih, Rasnitsyn, and Gao sp. nov., from the Lower Cretaceous Yixian Formation of Northeastern China, assigned to Saurophthiridae. The new species provides new evidence to support saurophthirids as a “transitional” group. Sexual dimorphism suggests significant differences in biology of opposite sexes in Saurophthirus. Analysis of described Mesozoic species demonstrates the body size reduction from the Middle Jurassic to the Early Cretaceous. Smaller body size was likely advantageous in reducing the probability of being detected and removed by the host and in minimizing flea’s demand for blood intake and energy input, indicating the adaptation of the ectoparasitic lifestyle of fleas in their early stage of evolution.
    Źródło:
    Acta Palaeontologica Polonica; 2020, 65, 1; 99-107
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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