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36 results for “Katian”
FIGURE 3. A in Diverse endobiotic symbiont fauna from the late Katian (Late Ordovician) of Estonia
FIGURE 3. A, Cornulites sp. (Corn) and Chaetosalpinx isp. (Chaet) in Protoheliolites norvegicus from the Adila Formation, Hosholm, Vormsi Island (GIT 840-35). Note the downward-bending lamellae of Protoheliolites norvegicus in the upper half of the bioclaustration. B, Cornulites sp. in stromatoporoid from the Kõrgessaare Formation, Saxby North, Vormsi Island (GIT 529-95-2). C, Lingulate in Propora sp. from the Kõrgessaare Formation, Saxby North, Vormsi Island (GIT 520-155-2). D, Lingulate Rowellella sp. in Diplotrypa densitabulata from the Kõrgessaare Formation, Saxby North, Vormsi Island (GIT 843-15-1).
FIGURE 2 in Diverse endobiotic symbiont fauna from the late Katian (Late Ordovician) of Estonia
FIGURE 2. Stratigraphy of the upper Katian of NW Estonia. Occurrence of endobionts indicated with asterisk.
FIGURE 4 in Diverse endobiotic symbiont fauna from the late Katian (Late Ordovician) of Estonia
FIGURE 4. Chaetosalpinx-like bioclaustration in Diplotrypa densitabulata from the Kõrgessaare Formation, Saxby North, Vormsi Island (GIT 843-31). Arrows point to the bioclaustration.
Fig. 14 in Early Katian, Late Ordovician, heliolitine corals from southern Kuruktag in northeastern Tarim Basin of China
Fig. 14. Heliolitine tabulate coral Navoites irregularis (Lin and Chow, 1977), from the Yuanbaoshan Formation (lower Katian) of southern Kuruktag, Tarim Basin, Northwest China. NIGP 201014. A1, A2, transverse sections. A3, A4, longitudinal sections.
Fig. 10 in Early Katian, Late Ordovician, heliolitine corals from southern Kuruktag in northeastern Tarim Basin of China
Fig. 10. Heliolitine tabulate coral Wormsipora sp. from the Yuanbaoshan Formation (lower Katian) of southern Kuruktag, Tarim Basin, Northwest China. NIGP 201004. A1, A2, transverse sections. A3, A4, longitudinal sections.
Fig. 13 in Early Katian, Late Ordovician, heliolitine corals from southern Kuruktag in northeastern Tarim Basin of China
Fig. 13. Heliolitine tabulate coral Navoites irregularis (Lin and Chow, 1977), from the Yuanbaoshan Formation (lower Katian) of southern Kuruktag, Tarim Basin, Northwest China. NIGP 201013. A1–A3, transverse sections. A4, longitudinal section.
Fig. 5 in Early Katian, Late Ordovician, heliolitine corals from southern Kuruktag in northeastern Tarim Basin of China
Fig. 5. Heliolitine tabulate coral Plasmoporella xinjiangensis Lin and Wang in Wang, 1981, from the Yuanbaoshan Formation (lower Katian) of southern Kuruktag, Tarim Basin, Northwest China. A. NIGP 200955. A1, A2, transverse sections. A3–A5, longitudinal sections. B. NIGP 200946. B1, transverse section. B2, longitudinal section.
Fig. 9 in Early Katian, Late Ordovician, heliolitine corals from southern Kuruktag in northeastern Tarim Basin of China
Fig. 9. Heliolitine tabulate coral Mongoliolites sp. from the Yuanbaoshan Formation (lower Katian) of southern Kuruktag, Tarim Basin, Northwest China. NIGP 201003. A1–A3, transverse sections. A4, A5, longitudinal sections.
Fig. 1 in Early Katian, Late Ordovician, heliolitine corals from southern Kuruktag in northeastern Tarim Basin of China
Fig. 1. Map of the Xinjiang Uygur Autonomous Region (A) and southern Kuruktag, northeastern Tarim Basin (B) in Northwest China showing location of the studied area (star). C. Stratigraphic column of the studied section of Queerqueke Montain, southern Kuruktag with position of the studied material (star)
Fig. 15. Heliolitine tabulate coral Apekinella zeravshanica Ospanova, 2012a in Early Katian, Late Ordovician, heliolitine corals from southern Kuruktag in northeastern Tarim Basin of China
Fig. 15. Heliolitine tabulate coral Apekinella zeravshanica Ospanova, 2012a, from the Yuanbaoshan Formation (lower Katian) of southern Kuruktag, Tarim Basin, Northwest China. A. NIGP 201016. A1, A2, transverse sections. A3, A4, longitudinal sections. B. NIGP 201017. B1, B2, transverse sections. B3, longitudinal section.
Fig. 4 in Early Katian, Late Ordovician, heliolitine corals from southern Kuruktag in northeastern Tarim Basin of China
Fig. 4. Heliolitine tabulate coral Plasmoporella xinjiangensis Lin and Wang in Wang, 1981, from the Yuanbaoshan Formation (lower Katian) of southern Kuruktag, Tarim Basin, Northwest China. A. NIGP 200945. A1, A2, transverse sections. A3, A4, longitudinal sections. B. NIGP 200973. B1, B2, transverse sections. B3 longitudinal section.
Fig. 12. Heliolitine tabulate coral Acdalopora sokolovi Bondarenko, 1958 in Early Katian, Late Ordovician, heliolitine corals from southern Kuruktag in northeastern Tarim Basin of China
Fig. 12. Heliolitine tabulate coral Acdalopora sokolovi Bondarenko, 1958, from the Yuanbaoshan Formation (lower Katian) of southern Kuruktag, Tarim Basin, Northwest China. A. NIGP 201012. A1, A2, transverse sections. A3, A4 longitudinal sections. B. NIGP 201007. B1, B2, transverse sections.
Fig. 7. Heliolitine tabulate coral Plasmoporella grandis Bondarenko, 1958 in Early Katian, Late Ordovician, heliolitine corals from southern Kuruktag in northeastern Tarim Basin of China
Fig. 7. Heliolitine tabulate coral Plasmoporella grandis Bondarenko, 1958, from the Yuanbaoshan Formation (lower Katian) of southern Kuruktag, Tarim Basin, Northwest China. A. NIGP 200991. A1, A2, transverse sections. A3, A4, longitudinal sections. B. NIGP 200993. B1, B2, transverse sections. B3, longitudinal section.
Fig. 6. Heliolitine tabulate coral Plasmoporella grandis Bondarenko, 1958 in Early Katian, Late Ordovician, heliolitine corals from southern Kuruktag in northeastern Tarim Basin of China
Fig. 6. Heliolitine tabulate coral Plasmoporella grandis Bondarenko, 1958, from the Yuanbaoshan Formation (lower Katian) of southern Kuruktag, Tarim Basin, Northwest China. NIGP 200990. A1, transverse section. A2, A3, longitudinal sections.
Fig. 8 in Early Katian, Late Ordovician, heliolitine corals from southern Kuruktag in northeastern Tarim Basin of China
Fig. 8. Heliolitine tabulate coral Mongoliolites obliterans (Bondarenko, 1958), from the Yuanbaoshan Formation (lower Katian) of southern Kuruktag, Tarim Basin, Northwest China. A. NIGP 201001. A1, A2, transverse sections. A3, A4, longitudinal sections. B. NIGP 201002. B1, B2, transverse sections. B3, B4, longitudinal sections.
Fig. 3 in Early Katian, Late Ordovician, heliolitine corals from southern Kuruktag in northeastern Tarim Basin of China
Fig. 3. Heliolitine tabulate coral Plasmoporella xinjiangensis Lin and Wang in Wang, 1981, from the Yuanbaoshan Formation (lower Katian) of southern Kuruktag, Tarim Basin, Northwest China. NIGP 200961. A1–A3, transverse sections. A4, A5, longitudinal sections.
Fig. 2 in Early Katian, Late Ordovician, heliolitine corals from southern Kuruktag in northeastern Tarim Basin of China
Fig. 2. Distribution of major tectonic units in the early Katian (Late Ordovician), with the Tarim Block (marked in purple). Modified from Torsvik and Cocks (2013).
Text-fig. 1. Distribution of the Králův Dvůr Formation (Upper Katian) in the Prague Basin of the Czech Republic, the location of the localities noted in text (modified, after Štorch and Mergl 1989). in Lingulate And Craniate Brachiopods From The Top Of The Králův Dvůr Formation (Latest Katian) And Their Contribution To Palaeogeography
Text-fig. 1. Distribution of the Králův Dvůr Formation (Upper Katian) in the Prague Basin of the Czech Republic, the location of the localities noted in text (modified, after Štorch and Mergl 1989).
Text-fig. 3. Pseudopholidops anteglacialis sp. nov., Králův Dvůr Formation, 'Perník bed', Praha-Řeporyje locality. Bar = 1 mm. A – Dorsal valve, internal mould, PCZCU 1843. B – Dorsal valve, internal mould, PCZCU 1840. C, K – Ventral valve, internal and external moulds, PCZCU 1831. D – Ventral valve, internal mould, PCZCU 1827. E – Dorsal valve, internal mould, PCZCU 1826. F – Ventral valve, internal mould, PCZCU 1830. G – Ventral valve, internal mould, PCZCU 1832. H – Dorsal valve, internal mould, PCZCU 1841. I, J – Holotype, ventral valve, internal and external moulds, PCZCU 1835. L – Exterior, external mould, PCZCU 1836. in Lingulate And Craniate Brachiopods From The Top Of The Králův Dvůr Formation (Latest Katian) And Their Contribution To Palaeogeography
Text-fig. 3. Pseudopholidops anteglacialis sp. nov., Králův Dvůr Formation, 'Perník bed', Praha-Řeporyje locality. Bar = 1 mm. A – Dorsal valve, internal mould, PCZCU 1843. B – Dorsal valve, internal mould, PCZCU 1840. C, K – Ventral valve, internal and external moulds, PCZCU 1831. D – Ventral valve, internal mould, PCZCU 1827. E – Dorsal valve, internal mould, PCZCU 1826. F – Ventral valve, internal mould, PCZCU 1830. G – Ventral valve, internal mould, PCZCU 1832. H – Dorsal valve, internal mould, PCZCU 1841. I, J – Holotype, ventral valve, internal and external moulds, PCZCU 1835. L – Exterior, external mould, PCZCU 1836.
Data from: Katian (Late Ordovician) trilobites of the North Qilian Mountains and their palaeogeographical implications for the Proto-Tethys Archipelagic Ocean (PTAO)
<p class="MsoNormal"><span>Trilobites from the middle Koumenzi Formation (Katian, Upper Ordovician) of the North Qilian Mountains, Menyuan, northeastern Qinghai Province are systematically documented for the first time. The fauna consists of five families, seven genera and seven species, amongst which one is new (</span><em><span>Remopleurides</span> <span>zhangi</span> </em><span>sp. nov.), showing a close relationship to those of the Kazakh terranes (such as Chu-Ili terrane, Chingiz-Tarbagatai area and KNNTS (Karatau-Naryn and North-Tien Shan Microcontinents)), North China and Laurentia palaeoplates during the Katian (Late Ordovician). The cluster and Non-metric Multidimensional Scaling analyses of the Middle<span class="fontstyle01">–Late Ordovician (</span>late Darriwilian<span class="fontstyle01">–</span>Katian<span class="fontstyle01">) trilobite faunas with 299 genera or subgenera from 46 horizons of 37 areas, provide valuable information for the palaeogeographical reconstruction of the </span>Proto-Tethys Archipelagic Ocean (PTAO) of this interval. The Qilian terrane and adjacent areas are essential components of the PTAO, some of which include the Qilian terrane (QT), the North Qilian Mountains area (NQ), the Altun faulted terrane (AFT), the Hexi Corridor area (HX) and the East Qinling terrane (EQT). Their relative positions within the PTAO are inferred by the palaeobiogeography of trilobite faunas. Based on further discussions on the spatiotemporal distribution of those faunas<span class="fontstyle01">, the </span></span><em><span>Pliomerina</span></em><span> and/or </span><em><span>Sinocybele</span> </em><span>Province of the Middle<span class="fontstyle01">–Late Ordovician (</span>late Darriwilian<span class="fontstyle01">–</span>Katian<span class="fontstyle01">) age is defined as a trilobite faunal province of the PTAO. </span>Moreover, a distinct faunal subprovince, essentially comprised of the South China Palaeoplate and its neighbours (e.g. Tarim, Annamia, Sibuma, East Qinling, Turkestan-Alai and probably Talesh), might be surrounded by the equatorial cold-water tongue.</span></p>
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