Temat: mastrycht - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Late Cretaceous anomurans and brachyurans from the Maastrichtian type area
Autorzy:: Collins, J S H
Fraaye, R H B
Jagt, J W M
Powiązania:: https://bibliotekanauki.pl/articles/19953.pdf
Data publikacji:: 1995
Wydawca:: Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:: rak pustelnik
kraby
Holandia
mastrycht holendersko-belgijski
paleontologia
Paragalathea
Belgia
Opis:: From the late Maastrichtian of southern Limburg (The Netherlands) and northeast Belgium, three species of anomurans in as many genera and sixteen brachyuran species in fourteen genera are described. Of the anomurans, Paguristes florae and Eomunidopsis meerssensis, are new; of the brachyurans seven species and one genus are new. These are: Glyptodynomene inornata, Dromiopsis praelaevior, Dromiopsis mosae, Homolopsis declinata, Raninoides? quadrispinosus, Raniliformis occlusa and Binkhorstia euglypha. A new genus, Leptoides, is erected to contain Titanocarcinus briarti (Forir 1887) and a concise historical account of the crabs of the Liège-Limburg Maastrichtian is given.
Publikacja zawiera opisy trzech gatunków raków pustelników i szesnastu krabów ze stratotypowych odsłonięć mastrychtu na pograniczu Holandii i Belgii. Spośród pustelników dwa gatunki są nowe a z krabów siedem gatunków i jeden rodzaj. Zespół krabów zawiera zarówno kosmopolityczne jak i endemiczne gatunki. Najbardziej konserwatywnym ewolucyjnie rodzajem jest Paragalathea, znany od tytonu; połowa rodzajów jest znana również z wczesnej lub środkowej kredy, są to głównie formy kosmopolityczne. Poza raninidami, spośród których przynajmniej niektóre ryły w osadzie, kraby z mastrychtu holendersko-belgijskiego zasiedlały stosunkowo płytkowodne środowiska. Wysokie zróżnicowanie taksonomiczne późnokredowych pustelników i krabów jest wyrazem "morskiej rewolucji mezozoicznej". Liczne ciągi ewolucyjne późnomastrychckich skorupiaków kontynuują się w paleocenie.
Źródło:: Acta Palaeontologica Polonica; 1995, 40, 2; 165-210
0567-7920
Pojawia się w:: Acta Palaeontologica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The Upper Campanian - lower Maastrichtian cephalopod fauna of Botellos, Nuevo León: a key to understand faunal turnover across the Campanian-Maastrichtian boundary in NE Mexico
Autorzy:: Ifrim, C.
Lara de la Cerda, J. E.
Peña Ponce, V. H.
Stinnesbeck, W.
Powiązania:: https://bibliotekanauki.pl/articles/139296.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: ammonoids
Campanian
Maastrichtian
Mexico
faunal turnover
amonity
kampan
mastrycht
Meksyk
Opis:: A new cephalopod collection from the Campanian-Maastrichtian boundary interval of NE Mexico, consisting of 1076 individuals assigned to 29 species and 22 genera is presented. This collection is a mix of ammonoids, one coleoid and one nautilid, which originate from at least three ammonoid biozones: The upper Campanian Exiteloceras jenneyi and Nostoceras (Nostoceras) hyatti zones, and the lower Maastrichtian Pachydiscus (Pachydiscus) neubergicus Zone. The age of the collection is thus middle late Campanian to late early Maastrichtian, and it closes a stratigraphic gap between faunas described formerly from this region. The specimens are nuclei collected from the desert pavement. The abundance of specimens allows for a comparison to other Campanian-Maastrichtian ammonoid records from Mexico, North America and Europe.
Źródło:: Acta Geologica Polonica; 2017, 67, 1; 145-162
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Quantitative data on the genus Loftusia from the Zagros Mts., northern Iraq
Autorzy:: Görmüş, M.
Nuaimy, Q. A. M.
Ameen Lawa, F. A.
Powiązania:: https://bibliotekanauki.pl/articles/139008.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Loftusia
northern Iraq
maastrichtian
quantitative data
Irak
mastrycht
kreda późna
dane ilościowe
Opis:: The Maastrichtian sediments of northern Iraq are rich in larger benthic foraminifera. Among them, the genus Loftusia is well-known one because of its significant palaeogeographic distribution across the Mediterranean and Middle East. In this study, observations of abnormal test shapes, species recognition criteria and endoskeleton characteristics of Loftusia are discussed, based on the new material from north-eastern Iraq. The following species of Loftusia are described: Loftusia elongata Cox, L. persica Brady, Loftusia morgani Douvillé, L. anatolica Meriç, L. matsumarui Meriç and Görmüs, L. minor B Cox, L. ketini B Meriç and L. kahtaensis Meriç, Loftusia minor A Cox, L. oktayi Meriç and L. baykali Meriç. The predominant species are Loftusia elongata, L. morgani and L. baykali. Skewed abnormal individuals and epidermal parts of the endoskeleton structure are also interesting aspects to note. Quantitative data obtained for Loftusia allow us to better understand and interpret species identification criteria, abnormal occurrences and the endoskeleton structure.
Źródło:: Acta Geologica Polonica; 2018, 68, 2; 207-218
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Episkeletozoans and bioerosional ichnotaxa on isolated bones of Late Cretaceous mosasaurs and cheloniid turtles from the Maastricht area, the Netherlands
Autorzy:: Jagt, John W.M.
Deckers, Mart J.M.
De Leebeeck, Magda
Donovan, Stephen K.
Nieuwenhuis, Eric
Powiązania:: https://bibliotekanauki.pl/articles/94251.pdf
Data publikacji:: 2020
Wydawca:: Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:: reptile
epizoans
dentalites
Maastrichtian
northwest Europe
gad
epistrefy
Mastrycht
północno-zachodnia Europa
Opis:: Isolated bones of three taxa of marine reptiles (Mosasaurus hoffmannii Mantell, Plioplatecarpus marshi Dollo and Allopleuron hofmanni (Gray)) from various levels within the Maastricht Formation (upper Maastrichtian) at the former ENCI-Heidelberg Cement Group quarry (Maastricht, the Netherlands) exhibit bioerosional traces and encrustation. Episkeletozoans include dimyid, ostreid and monopleurid bivalves, at least three species of cheilostome and cyclostome bryozoans and two adnate calcareous foraminifera. The bones show biting traces (Gnathichnus pentax Bromley, Linichnus cf. serratus Jacobsen & Bromley and Machichnus isp.), as well as borings. The latter may be referred to Karethraichnus lakkos Zonneveld, Bartels, Gunnell & McHugh, which is here considered to be a junior synonym of Gastrochaenolites isp.
Źródło:: Geologos; 2020, 26, 1; 39-49
1426-8981
2080-6574
Pojawia się w:: Geologos
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Encrustation of inarticulate brachiopods on scaphitid ammonites and inoceramid bivalves from the Upper Cretaceous U. S. Western Interior
Autorzy:: Landman, N. H.
Slattery, J. S.
Harries, P. J.
Powiązania:: https://bibliotekanauki.pl/articles/138917.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: inarticulate brachiopods
Pierre Shale
Maastrichtian
inoceramids
ammonites
encrustation
ramienionogi
mastrycht
inoceramy
amonity
nawarstwianie
Opis:: The inarticulate brachiopod Discinisca is a rare faunal element in the Upper Cretaceous of the U.S. Western Interior. We report two occurrences of encrustation of Discinisca on a scaphitid ammonite (scaphite) and several inoceramids from the lower Maastrichtian Baculites baculus/Endocostea typica Biozones of the Pierre Shale at two localities. Six specimens of Discinisca are present on a single specimen of Hoploscaphites crassus from eastcentral Montana. They occur along the furrow at the mature apertural margin. Because the brachiopods are restricted to the margin and do not occur on the rest of the shell, it is likely that they encrusted the ammonite during its lifetime. If so, this implies that the soft body of the scaphite did not cover the outside surface of the aperture, leaving this area vulnerable to epizoan attachment. A total of 13 specimens of Discinisca are also present on four specimens of Cataceramus? barabini from east-central Wyoming. The brachiopods occur in crevices on the outside of the shells and may have encrusted the inoceramids after their death as the shells began to break down and delaminate, resulting from the decomposition of the organic matrix holding them together. Based on the faunal assemblages at both localities, the presence of Discinisca may indicate environments with either low oxygen levels and/or few predators or competitors.
Źródło:: Acta Geologica Polonica; 2016, 66, 4; 645-662
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Early representatives of the belemnite genus Belemnella (Cephalopoda) from the uppermost Campanian-Lower Maastrichtian of the Middle Vistula River section, central Poland
Autorzy:: Keutgen, N.
Remin, Z.
Walaszczyk, I.
Powiązania:: https://bibliotekanauki.pl/articles/139049.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Belemnella
biostratygrafia
Campanian-Maastrichtian boundary
kampan
mastrycht
Wisła
biostratigraphy
Middle Vistula River section
Species concepts
Opis:: Representatives of the belemnite genus Belemnella from the uppermost Campanian and lowermost Maastrichtian of the Middle Vistula River Valley section (central Poland) have been studied, using the species concept proposed by Schulz in 1979. Results have been compared to a recently proposed new interpretation of the genus Belemnella based on artificial neural networks, as put forward by Remin in 2007 and 2012. In the interval studied, four taxa have been recognised: Bln. longissima, Bln. inflata, Bln. obtusa and Bln. vistulensis, the last-named being a senior synonym of Bln. pseudobtusa. Three additional forms have been left in open nomenclature: Bln. cf. lanceolata, Bln. ex gr. lanceolata/inflata and Belemnella sp. Based on their documented vertical ranges, three Belemnella standard zones, as originally distinguished in the Kronsmoor section by Schulz (1979), northern Germany, have been defined, in ascending order: the Bln. lanceolata, Bln. vistulensis and Bln. obtusa zones. The bases of the lanceolata and obtusa zones in the Middle Vistula River Valley section can be directly correlated with the same zones at Kronsmoor, and appear to be isochronous within limits of stratigraphic resolution. The base of the vistulensis Zone (Bln. vistulensis according to the species concept of Schulz in 1979), however, is probably diachronous, being older in the Middle Vistula section. Although Schulz's and Remin's species concepts differ quite considerably, they do result in similar stratigraphic subdivisions of the Kronsmoor and Middle Vistula River sections.
Źródło:: Acta Geologica Polonica; 2012, 62, 4; 535-559
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: The benthic macrofauna from the Lower Maastrichtian chalk of Kronsmoor (northern Germany, Saturn quarry): taxonomic outline and palaeoecologic implications
Autorzy:: Engelke, J.
Esser, K. J. K.
Linnert, C.
Mutterlose, J.
Wilmsen, M.
Powiązania:: https://bibliotekanauki.pl/articles/139105.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Cretaceous
maastrichtian
Northern Germany
benthic macrofauna
taxonomy
palaeoecology
kreda
mastrycht
Niemcy Północne
makrofauna denna
taksonomia
paleoekologia
Opis:: The benthic macroinvertebrates of the Lower Maastrichtian chalk of Saturn quarry at Kronsmoor (northern Germany)been studied taxonomically based on more than 1,000 specimens. Two successive benthic macrofossil assemblages were recognised: the lower interval in the upper part of the Kronsmoor Formation (Belemnella obtusa Zone) is characterized by low abundances of macroinvertebrates while the upper interval in the uppermost Kronsmoor and lowermost Hemmoor formations (lower to middle Belemnella sumensis Zone) shows a high macroinvertebrate abundance (eight times more than in the B. obtusa Zone) and a conspicuous dominance of brachiopods. The palaeoecological analysis of these two assemblages indicates the presence of eight different guilds, of which epifaunal suspension feeders (fixo-sessile and libero-sessile guilds), comprising approximately half of the trophic nucleus of the lower interval, increased to a dominant 86% in the upper interval, including a considerable proportion of rhynchonelliform brachiopods. It is tempting to relate this shift from the lower to the upper interval to an increase in nutrient supply and/or a shallowing of the depositional environment but further data including geochemical proxies are needed to fully understand the macrofossil distribution patterns in the Lower Maastrichtian of Kronsmoor.
Źródło:: Acta Geologica Polonica; 2016, 66, 4; 671-694
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Stratigraphically important ammonites from the Campanian-Maastrichtian boundary interval of the Middle Vistula River section, central Poland
Autorzy:: Machalski, M.
Powiązania:: https://bibliotekanauki.pl/articles/138963.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: amonit
kampan
mastrycht
stratygrafia
systematyka
Wisła
współzależność
ammonites
Campanian
correlation
Maastrichtian
Middle Vistula River section
stratigraphy
taxonomy
Opis:: The formal definition of the Global Stratotype Section and Point (GSSP) for the base of the Maastrichtian Stage at Tercis, southwest France, is based on the first or last occurrences of twelve taxa, including three species of ammonites, Pachydiscus (Pachydiscus) neubergicus, Diplomoceras cylindraceum, and Nostoceras (Nostoceras) hyatti. The taxonomy and stratigraphical distribution of these, and allied forms, are studied, on the basis of material from the opoka succession across the upper Campanian.lowermost Maastrichtian boundary in the Middle Vistula River section, central Poland. in view of the imprecise location of two ammonite GSSP markers in that section, a direct ammonite-based correlation with the GSSP at Tercis is impossible. however, data available indicate that in the Middle Vistula River section the first occurrence of Pachydiscus (P.) neubergicus and the last occurrence of Nostoceras (N.) hyatti are situated significantly higher than the first occurrence of Belemnella lanceolata, the traditional belemnite marker for the base of the Maastrichtian Stage in the Boreal Realm, and that Diplomoceras cylindraceum appears significantly below this level. There are no unequivocal records of Pachydiscus (P.) neubergicus from the Belemnella lanceolata Zone s.l. in the Middle Vistula River section.
Źródło:: Acta Geologica Polonica; 2012, 62, 1; 91-116
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Integrated stratigraphy of the Campanian-Maastrichtian boundary succession of the Middle Vistula River (central Poland) section; introduction
Autorzy:: Walaszczyk, I.
Powiązania:: https://bibliotekanauki.pl/articles/139092.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: biostratygrafia
kampan
korelacja
mastrycht
Polska
Wisła
biostratigraphy
Campanian-Maastrichtian boundary
Central Poland
correlation
Middle Vistula River section
Opis:: The Campanian-Maastrichtian boundary interval of the Middle Vistula River valley section (central Poland) represents a continuous, lithologically monotonous, fossiliferous succession, with a good stable isotope and palaeomagnetic signal. It yields all the biostratigraphically critical macro- and microfossil groups: ammonites, belemnites, inoceramid bivalves, foraminifera, nannofossils and dinoflagellates. Additionally, it is located in the transitional zone between the Boreal and Tethyan biogeographic provinces, as well as between the western and eastern biogeographic areas of Europe. The section supplements the data on the interval acquired recently from the basal Maastrichtian stratotypic section in Tercis, south-west France, and from the interval reference section in Kronsmoor, northern Germany.
Źródło:: Acta Geologica Polonica; 2012, 62, 4; 485-493
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Hexactinellid sponge assemblages across the Campanian.Maastrichtian boundary in the Middle Vistula River section, central Poland
Autorzy:: Świerczewska-Gładysz, E.
Powiązania:: https://bibliotekanauki.pl/articles/139147.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: ekologia
gąbki
kampan
kreda górna
mastrycht
Polska
Campanian-Maastrichtian boundary
ecology
Hexactinosida
Lychniscosida
southern Poland
sponges
Upper Cretaceous
Opis:: The sponge fauna from the Upper Campanian.lowermost Maastrichtian succession of the Middle Vistula River valley (central Poland) is represented mainly by dictyid hexactinellid sponges (Hexactinosida and Lychniscosida). Their greatest abundance and taxonomic variability is noted in the "Inoceramus" inkermanensis Zone (Upper Campanian), and they are less diverse in the overlying (Upper Campanian) Trochoceramus costaecus Zone and lower "Inoceramus" redbirdensis Zone. In the upper "Inoceramus" redbirdensis Zone (basal Maastrichtian in the sense of the Tercis rather than the Boreal definition) they are extremely rare. With the beginning of the Maastrichtian the number of dictyid sponges gradually increases. The observed changes in the abundance and taxonomic variability of the dictyid sponges indicate environmental changes in the latest Campanian.earliest Maastrichtian sea in the area. It seems that changes in basin bathymetry, confined to eustatic sea-level changes in the latest Campanian and early Maastrichtian, were the most important factor. Progressive shallowing of the basin in the latest Campanian drastically restricted the development of dictyids. In the peak regression, the sea level could have fallen to only several tens of metres. The gradual recovery of the sponge assemblages correlates with subsequent deepening of the basin with the start of the Maastrichtian.
Źródło:: Acta Geologica Polonica; 2012, 62, 4; 561-580
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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