A new possible bivalve burrow Oblongichnus solodukhoi from the late Kazanian (middle Permian) stratotype section in Russia

Haouz, Wahiba Bel; Lagnaoui, Abdelouahed; Silantiev, Vladimir V.

doi:10.1016/j.palwor.2019.05.013

Cited by 5 publications

(7 citation statements)

References 14 publications

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“…O. hrabei from Eocene flysch deposits (Plička and Uhrová 1990; Uchman et al 2011) and Permian carbonates (Bel Haouz et al 2020) is more problematic in terms of origin. In both cases, burrows are very regular, undeformed and smooth, but occur in fine-grained sandstone and dolomite, respectively.…”

Section: Discussionmentioning

confidence: 99%

“…Plička and Uhrová 1990;Uchman et al 2011). Nevertheless, Oblongichnus solodukhoi Bel Haouz et al, 2020, which is herein regarded as a synonym of O. hrabei, is also variably oriented and even includes steeply inclined burrows similarly to O. carinatum isp. nov.…”

Section: Diagnosis (Aftermentioning

confidence: 99%

“…Based on the variability of Oravaichnium as analysed from the Muschelkalk, we revise the ichnogeneric diagnosis to include congeneric forms with a carinate cross section. Bel Haouz et al, 2020, the type ichnospecies of Oblongichnus Bel Haouz et al, 2020, is herein regarded as a junior subjective synonym of Oravaichnium hrabei (see below) and consequently Oblongichnus as junior synonym of Oravaichnium. Oravaichnium may grade into Protovirgularia by developing or preserving a faint chevron-like ornamentation, but differs from it by the characteristic cross section and an ornamentation that may occur on both, the ventral (lower) and dorsal (upper) burrow part.…”

Section: Diagnosis (Revised Aftermentioning

confidence: 99%

“…For instance, similar straight burrows without the typical chevron-like pattern were often assigned to Planolites (e.g., Plička and Uhrová 1990) or Palaeophycus (e.g. Bel Haouz et al 2020).…”

Section: Introductionmentioning

confidence: 99%

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Middle Triassic bivalve traces from central Europe (Muschelkalk, Anisian): overlooked burrows of a common ichnofabric

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The ichnotaxonomy, producers and ethology of the bivalve trace fossil Oravaichnium Plička and Uhrová, 1990 are revised, and the mode of formation is discussed. The ichnogenus is compared with other mollusc trace fossils such as Protovirgularia, Lockeia and Ptychoplasma, as well as the common, cosmopolitan trace fossils Planolites and Palaeophycus, which are morphologically similar to Oravaichnium. A lectotype of Oravaichnium hrabei Plička and Uhrová, 1990 is defined and illustrated. Oravaichnium carinatum isp. nov. from the Middle Triassic of Poland and Germany is described and interpreted as a bivalve burrow. It differs from the relatively rare O. hrabei by a carinate rather than subquadrate cross section. However, O. carinatum isp. nov. shows a great variation of morphology and transitional forms with O. hrabei are common. Similarly, transitional forms of Oravaichnium with other bivalve ichnogenera, especially Protovirgularia, also occur. The studied Triassic ichnoassemblage clearly indicates that bivalve burrows are much more common than previously believed and are represented by repichnia, fodinichnia and cubichnia. The occurrence of similar ichnofabrics containing Oravaichnium in other Triassic succession of the Germanic and Tethys basins and elsewhere suggests a much wider distribution than hitherto known. It is evident that bivalves, most likely nuculids, participated greatly in bioturbation, and the Middle Triassic infaunalisation is one of the most important steps in Phanerozoic evolution of ichnocoenoses.

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Section: Discussionmentioning

confidence: 99%

Section: Diagnosis (Aftermentioning

confidence: 99%

Section: Diagnosis (Revised Aftermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Middle Triassic bivalve traces from central Europe (Muschelkalk, Anisian): overlooked burrows of a common ichnofabric

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“…Two geological localities of the Verkhny Uslon District, namely Pechischi and Cheremushki, are well-known as highly important objects for the understanding of the Upper Kazanian (upper Roadian) and Urzhumian (Wordian) deposits of the eastern Russian Platform, as well as for the international stratigraphical correlation developments [33,41,[52][53][54][55][56][57][58]. Detailed stratigraphical, sedimentological, geochemical, paleontological, and palaeogeographical characteristics of these localities are available (see references above), and it would be unreasonable to repeat them.…”

Section: Methodsmentioning

confidence: 99%

Earth Science Frontier at Urban Periphery: Geoheritage from the Vicinity of Kazan City, Russia

2023

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Characterizing geological heritage sites (geosites) available in Russia remains an urgent task. The present study focuses on two geosites from the vicinity of Kazan—a large city on the Volga River. They are attributed to the standardized geoheritage types and scored by means of several criteria. It is found out that the Pechischi geosite represents nine geoheritage types, from which the stratigraphical type (stratotype section of the Upper Kazanian regional unit of the Guadalupian) and the geohistorical type (history of the Permian System studies) are the most important. This geosite reaches 675 out of 750 maximum possible scores, and it is ranked globally. The Cheremushki geosite represents six geoheritage types, from which the stratigraphical type (reference section of the Urzhumian regional unit of the Guadalupian) and the paleontological type (locality of diverse fossils, including tetrapods) are the most important. This geosite reaches a score of 250 and is ranked nationally. The undertaken study allows for recommending several actions for the effective conservation and exploitation of these geosites. The innovative interpretation is that the presence of geosites at the urban periphery makes its general (not only geological) heritage value comparable to that of the city’s center.

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Paleoenvironmental Reconstruction of the Destacamento Río Salado Member, Canal de Las Escobas Formation (Middle Holocene), Northeastern Buenos Aires, Argentina: Sedimentological and Paleontological Evidence

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Advances in Geomorphology and Quaternary Studies in Argentina

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A new possible bivalve burrow Oblongichnus solodukhoi from the late Kazanian (middle Permian) stratotype section in Russia

Cited by 5 publications

References 14 publications

Middle Triassic bivalve traces from central Europe (Muschelkalk, Anisian): overlooked burrows of a common ichnofabric

Middle Triassic bivalve traces from central Europe (Muschelkalk, Anisian): overlooked burrows of a common ichnofabric

Earth Science Frontier at Urban Periphery: Geoheritage from the Vicinity of Kazan City, Russia

Paleoenvironmental Reconstruction of the Destacamento Río Salado Member, Canal de Las Escobas Formation (Middle Holocene), Northeastern Buenos Aires, Argentina: Sedimentological and Paleontological Evidence

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