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Wyświetlanie 1-8 z 8
Tytuł:
New lizards and rhynchocephalians from the Lower Cretaceous of Southern Italy
Autorzy:
Evans, S E
Raia, P.
Barbera, C.
Powiązania:
https://bibliotekanauki.pl/articles/20920.pdf
Data publikacji:
2004
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
predation
Italy
Cretaceous
Rhynchocephalia
Squamata
new lizard
Lepidosauria
lizard
paleobiogeography
paleontology
Opis:
The Lower Cretaceous (Albian age) locality of Pietraroia, near Benevento in southern Italy, has yielded a diverse assemblage of fossil vertebrates, including at least one genus of rhynchocephalian (Derasmosaurus) and two named lizards (Costasaurus and Chometokadmon), as well as the exquisitely preserved small dinosaur, Scipionyx. Here we describe material pertaining to a new species of the fossil lizard genus Eichstaettisaurus (E. gouldi sp. nov.). Eichstaettisaurus was first recorded from the Upper Jurassic (Tithonian age) Solnhofen Limestones of Germany, and more recently from the basal Cretaceous (Berriasian) of Montsec, Spain. The new Italian specimen provides a significant extension to the temporal range of Eichstaettisaurus while supporting the hypothesis that the Pietraroia assemblage may represent a relictual island fauna. The postcranial morphology of the new eichstaettisaur suggests it was predominantly ground−living. Further skull material of E. gouldi sp. nov. was identified within the abdominal cavity of a second new lepidosaurian skeleton from the same locality. This second partial skeleton is almost certainly rhynchocephalian, based primarily on foot and pelvic structure, but it is not Derasmosaurus and cannot be accommodated within any known genus due to the unusual morphology of the tail vertebrae.
Źródło:
Acta Palaeontologica Polonica; 2004, 49, 3
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New data on the dentition of the scincomorphan lizard Polyglyphanodon sternbergi
Autorzy:
Nydam, R L
Cifelli, R.L.
Powiązania:
https://bibliotekanauki.pl/articles/22344.pdf
Data publikacji:
2005
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
Polyglyphanodontinae
dentition
Polyglyphanodon sternbergi
Late Cretaceous
scincomorphan lizard
Squamata
lizard
North America
paleontology
Opis:
Polyglyphanodon sternbergi Gilmore, 1940 is a large−bodied lizard from the Late Cretaceous of North America distinguished by its transversely oriented, interlocking teeth. Initially the teeth of P. sternbergi were described as smooth and blade−like, but recent discoveries of new specimens from the type locality and re−examination of the original material indicate that the chisel−like teeth of P. sternbergi have small, irregular serrations along the blades. These serrations are similar in size to those found on the teeth of the modern herbivorous lizard Iguana iguana and were likely used in a similar manner to crop vegetation, but was also capable of a degree of oral food processing due to the transverse orientation and interlocking arrangement of the dentition of P. sternbergi. Additionally, the presence of transversely oriented teeth with V−shaped blades in the anterior portion of the tooth row of P. sternbergi represents an additional shared characteristic in tooth structure between P. sternbergi and Dicothodon moorensis, Bicuspidon numerosus, and Peneteius aquilonoius; all transversely−tooth polyglyphandontine lizards from the Cretaceous of North America. It appears that the unique dentitions of Polyglyphanodon sternbergi (large teeth with transverse, serrated blades) and Peneteius aquilonius (small teeth with mammal−like specializations) present by the end of the Cretaceous were derived from a bicuspid, transversely oriented precursor tooth with a V−shaped blade.
Źródło:
Acta Palaeontologica Polonica; 2005, 50, 1
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Helodermatid lizard from the Mio-Pliocene oak-hickory forest of Tennessee, eastern USA, and a review of monstersaurian osteoderms
Autorzy:
Mead, J.I.
Schubert, B.W.
Wallace, S.C.
Swift, S.L.
Powiązania:
https://bibliotekanauki.pl/articles/20494.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
helodermatid lizard
lizard
Miocene
oak-hickory forest
Tennessee
USA
monstersaurian osteoderm
osteoderm
Reptilia
Squamata
Helodermatidae
Heloderma
beaded lizard
Hemphillian
Pliocene
North America
paleontology
Opis:
The extant venomous Gila monster and beaded lizards, species of Heloderma, live today in southwestern USA and south along the Pacific coastal region into Central America, but their fossil history is poorly understood. Here we report helodermatid osteoderms (dermal ossicles) from the late Miocene–early Pliocene Gray Fossil Site, eastern Tennessee USA. Twenty−three species of mammals are known from the fauna including abundant Tapirus polkensis, as well as fishes, anurans, salamanders, turtles, Alligator, birds, and snakes. Beaded lizards belong to the Monstersauria, a clade that includes Primaderma + Paraderma + Gobiderma + Helodermatidae (Estesia, Eurheloderma, Lowesaurus, and Heloderma). Osteoderms of lizards in this clade are unique within Squamata; they typically are circular to polygonal in outline, domed to flat−domed in cross−section, have a vermiculate surface texture, are not compound structures, and do not have imbricate surfaces as on many scincomorph and anguid lizards. We review and characterize the osteoderms of all members of Monstersauria. Osteoderms from the cranium, body, and limbs of Heloderma characteristically have a ring−extension (bony flange) at least partly surrounding the dome. Its presence appears to be a key character distinct to all species of Heloderma, consequently, we propose the presence of a ring−extension to be an apomorphy. Three osteoderms from the Gray Fossil Site range from 1.5 to 3.0 mm in diameter, have the circular shape of helodermatid osteoderms with a domed apical surface, and have the ring−extensions, permiting generic identification. Macrobotanical remains from the Gray Fossil Site indicate an oak−hickory subtropical forest dominated by Quercus (oak) and Carya (hickory) with some conifer species, an understorey including the climbing vines Sinomenium, Sargentodoxa, and Vitis. Plant and mammal remains indicate a strong Asian influence.
Źródło:
Acta Palaeontologica Polonica; 2012, 57, 1
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Campanian and Maastrichtian mosasaurid reptiles from central Poland
Autorzy:
Machalski, M
Jagt, J.W.M.
Dortangs, R.W.
Mulder, E.W.A.
Radwanski, A.
Powiązania:
https://bibliotekanauki.pl/articles/21053.pdf
Data publikacji:
2003
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
Reptilia
Polska
Cretaceous
food chain
Platynota
marine lizard
Squamata
mosasaurid reptile
reptile
fossil
Upper Cretaceous
Mosasauridae
lizard
paleontology
Opis:
Isolated marginal teeth and tooth crowns of Late Campanian and Late Maastrichtian mosasaurid reptiles (Squamata, Platynota) from the Wisła River valley area, central Poland, are described and illustrated. These comprise two Late Campanian taxa from Piotrawin quarry: Prognathodon sp. and Plioplatecarpinae sp. A., and four late Late Maastrichtian taxa from Nasiłów quarry: Mosasaurus cf. hoffmanni Mantell, 1829, M. cf. lemonnieri Dollo, 1889c, “Mosasaurus (Leiodon) cfr. anceps” sensu Arambourg (1952), and Plioplatecarpinae sp. B. In addition, the previously described fragmentary jaw with associated teeth of the Late Campanian age from Maruszów quarry (west of the Wisła River area), is reassigned to Mosasaurus cf. hoffmanni. This specimen suggests that M. hoffmanni or a closely related (ancestral?) species already appeared in Europe during the Late Campanian (well−documented European occurrences of M. hoffmanni are Late Maastrichtian in age). At least part of the described mosasaur material is likely to stem from periodic feeding in the area (broken−off or shed tooth crowns) or from floating carcasses (complete teeth and jaw fragments).
Źródło:
Acta Palaeontologica Polonica; 2003, 48, 3
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Molecular Phylogenetic relationships among the species of geckos in Adams’peak in Sri Lanka
Autorzy:
Amarakoon, A. A. D. Gayathri U.
Fernandopulle, Neil
Daulagala, S. W. P. L.
Powiązania:
https://bibliotekanauki.pl/articles/1191243.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Geckos species
Adams peak
lizard tails
RAG1gene
Opis:
In the current study we attempt to identify the relationship of among geckos species that are surviving in Adam’s peak Sri Lanka. A ten month survey was undertaken to document the diversity and abundance of geckos at the Adam’s peak in Sri Lanka. By using molecular data, the aim was to genetically characterize the species of geckos occurring along directions in Adam’s peak and phylogenetically relate these to other different parts of the world. A total of 79 individuals of gecko’s tails and eggs were captured in four different areas in Adam’s peak. We use 373 bp of RAG1 to detect the gene location and DNA sequence data to recover phylogenetic relationships and elucidate a biographic pattern and close relationship among geckos. According to the morphological identification suggested that gecko’s tail specimens belonged to several species and the molecular detection method confirmed the gene pool is differentiated among the population. Analysis of sequences of the RAG1 region from gecko species confirmed that the samples belonged to family Gekkonidae with the different gene population.
Źródło:
World Scientific News; 2016, 54; 180-190
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Organizacja Wojskowa Związek Jaszczurczy na Pomorzu. Nieznany dokument Gestapo – protokół przesłuchania Andrzeja Eljaszewicza – pracownika ekspozytury „Zachód” Oddziału II OW ZJ
Military Organisation Lizard Union in Pomerania – an unknown document of the gestapo – the investigation protocol of Andrzej Eljaszewicz – a worker of the „West” Branch of Department II of the Military Organisation Lizard Union
Autorzy:
Chrzanowski, Bogdan
Powiązania:
https://bibliotekanauki.pl/articles/1193676.pdf
Data publikacji:
2015
Wydawca:
Towarzystwo Naukowe w Toruniu
Tematy:
WWII
The Polish Underground
the Military Organisation Lizard Union
Opis:
The Military Organisation Lizard Union (OW ZJ) was one of the numerous Organisations constituting the Polish Underground. It was set up in October 1939 by activists of the pre-war National Radical Camp. In September 1942 the Lizard Union became part of the National Military Forces. In the years 1940–1941 the „West” [„Zachód” – „Z”] Branch of Department II of the Main Headquarters of the Lizard Union was established. The intelligence network of the Lizard Union covered the territory of the Reich, Gdansk Pomerania and Eastern Pomerania up to Königsberg; it also reached Greater Poland and Silesia. Fighting the Lizard Union, considered one of the most active underground organisations, was one of the priorities of the Gestapo. The first arrests among intelligence workers of the „West” Branch of the Lizard Union commenced in December 1941 and lasted throughout the whole of 1942 until May 1943. The „West” Branch in Gdynia was headed by Andrzej Eljaszewicz. The document presented here is an investigation protocol of A. Eljaszewicz by Radom’s Gestapo on 22 February 1944. Eljaszewicz was arrested on 3 January 1944 in Białobrzegi on his way to Radom. The protocol consists of 21 pages. The analysis of its content allows us to reconstruct the organisation of the structures of the Lizard Union, its connections with the Home Army [Armia Krajowa] and the extensive intelligence activity in Pomerania. It also allows us an insight into members of the Lizard Union. The protocol includes the pseudonym and real surname of the Chief Commander of the Union of the Military Struggle – Home Army – Gen. Stefan Rowecki alias „Grot”. A thorough analysis of the protocol will extend further research on the issue of the Military Organisation Lizard Union, its structure, activity and organisational connections. It shall constitute a valuable document for a future researcher.
Źródło:
Zapiski Historyczne; 2015, 80, 2; 115-140
0044-1791
2449-8637
Pojawia się w:
Zapiski Historyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Niedokończone scalenie. Próby włączenia Narodowych Sił Zbrojnych do Sił Zbrojnych w Kraju
Unfinished Consolidation. Attempts to Incorporate the National Armed Forces into the Home Army
Autorzy:
Wnuk, Rafał
Powiązania:
https://bibliotekanauki.pl/articles/2233499.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Instytut Historii im. Tadeusza Manteuffla PAN w Warszawie
Tematy:
Home Army (AK)
Group ‘Szaniec’
National Armed Forces (NSZ)
ABC National-Radical Camp (ONR ABC)
Polish Underground State (PPP)
Lizard Union (ZJ)
Union for Armed Struggle (ZWZ)
Armia Krajowa (AK)
Grupa „Szańca”
Narodowe Siły Zbrojne (NSZ)
Obóz Narodowo-Radykalny ABC (ONR ABC)
Polskie Państwo Podziemne (PPP)
Związek Jaszczurczy (ZJ)
Związek Walki Zbrojnej (ZWZ)
Opis:
W wyniku scalenia do Armii Krajowej weszły niemal wszystkie liczące się formacje zbrojne. Wyjątkiem były Armia Ludowa i Narodowe Siły Zbrojne-Związek Jaszczurczy NSZ-ZJ). Analiza zgromadzonego materiału prowadzi do wniosku, że NSZ-ZJ nie stały się częścią Sił Zbrojnych w Kraju z powodów ideologicznych (wrogość radykalnych nacjonalistów do demokracji i parlamentaryzmu), psychologicznych (ambicje przywódców NSZ-ZJ) i fundamentalnego konfliktu celów (nacjonalistyczni radykałowie dążyli do narodowej rewolucji, przywódcy AK zaś do restytucji II RP).
As a result of consolidation, the Home Army absorbed almost all major armed formations. The only exceptions were the People’s Army and the National Armed Forces-the Lizard Union (NSZ-ZJ). An analysis of the gathered material leads to the conclusion that NSZ-ZJ did not become part of the Home Army for ideological reasons (hostility of radical nationalists to democracy and parliamentarism), psychological causes (ambitions of NSZ-ZJ leaders), and a fundamental conflict of goals (nationalist radicals strove for a national revolution, while the Home Army leaders wanted the restitution of the Second Polish Republic).
Źródło:
Dzieje Najnowsze; 2021, 53, 1; 95-135
0419-8824
Pojawia się w:
Dzieje Najnowsze
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-8 z 8

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