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Irridinitus

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Journal Article
Published: 01 October 1991
Canadian Journal of Earth Sciences (1991) 28 (10): 1541–1552.
... variable discoid remains; these include the taxa Beltanella sp., cf. B . grandis , Charniodiscus ? sp., Irridinitus ? sp., Nimbia occlusa , Protodipleurosoma sp., cf. P . rugulosum , and Zolotytsia ? sp. and seven types of dubiofossils. Des lits de sédiments clastiques d'eau peu profonde sur les...
Journal Article
Journal: Geology
Published: 01 December 1990
Geology (1990) 18 (12): 1199–1202.
... to Nimbia occlusa Fedonkin, Vendetta ? sp., and Irridinitus ? sp. They occur below a glaciomarine diamictite about 2.5 km below the base of the Cambrian, and they may represent the oldest Ediacaran fossils now known. The find has implications for models that relate the evolution of the Ediacara fauna...
Journal Article
Journal: Geology
Published: 01 November 1985
Geology (1985) 13 (11): 819–821.
... in western North America. The fossils, provisionally identified as Cyclomedusa davidi ?, Irridinitus sp., and Protodipleurosoma sp., occur in a greenish-gray, shallow-water siltstone that surrounds stromatolite mounds established on the Yellowhead Platform in the Mount Robson Provincial Park. The locality...
Journal Article
Published: 15 October 2010
Canadian Journal of Earth Sciences (2010) 47 (10): 1305–1325.
... previously yielded a variety of discoidal fossils assigned to such genera as Aspidella, Beltanella , Charniodiscus, Cyclomedusa , Irridinitus, and Protodipleurosoma ( Hofmann et al. 1985 b , 1991 ). In the comprehensive review of discoidal Proterozoic fossils ( Gehling et al. 2000 ), most of these taxa...
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Journal Article
Published: 01 July 2005
Geological Magazine (2005) 142 (4): 441–455.
... be included within it. The age of the upper part of the Miette Group, containing these structures, is considered to be Ediacaran and they are accompanied by an Ediacara-type fauna including Beltanella, Charniodiscus?, Irridinitus and Nimbia . The most recent discussion on Intrites in Seilacher...
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Journal Article
Journal: Paleobiology
Published: 01 January 2004
Paleobiology (2004) 30 (2): 203–221.
... ), and vendomiids ( Vendomia , Vendia ) are common in some horizons, as are trilobozoans ( Anfesta , Albumares , Tribrachidium ), the taxa Kimberella , Parvancorina , Brachina , Charniodiscus , discoidal holdfasts ( Protodipleurosoma , Irridinitus , Medusinites ), and several unnamed fossils ( Fedonkin...
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Journal Article
Journal: Paleobiology
Published: 01 January 2001
Paleobiology (2001) 27 (2): 405–423.
... Formation, northwestern Canada, described by Hofmann et al. (1990) . They identified three forms, which they assigned to the genera Nimbia, Vendella, and Irridinitus?, and which, according to Narbonne at al. (1994) , are similar to later medusoid forms widely acknowledged as cnidarian. For example...
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Journal Article
Journal: Paleobiology
Published: 01 August 2007
Paleobiology (2007) 33 (3): 351–381.
... and thickness of the casting sand. They further remarked ( Gehling et al. 2000 : p. 442) that the Aspidella morphs “cannot be distinguished from other Ediacaran discoidal taxa, and would be identified variously as Ediacaria , Cyclomedusa , Spriggia , Tirasiana , Irridinitus or Planomedusites if found...
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Journal Article
Published: 14 July 2021
Geological Magazine (2022) 159 (7): 1093–1117.
... ; Fedonkin, 1987 ; Oliver & Coates, 1987 ). It is sobering to appreciate that four classic Ediacaran jellyfish – Ediacaria Sprigg, 1947 (Scyphozoa), Cyclomedusa Sprigg, 1947 (Cyclozoa), Protodipleurosoma Sprigg, 1949 (Hydrozoa) and Irridinitus Fedonkin, 1983 (Inordozoa) – are no more...
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Series: Geological Society, London, Memoirs
Published: 01 January 2011
DOI: 10.1144/M36.24
EISBN: 9781862394117
... Abundant non-skeletal Metazoa ( Cyclomedusa davdi Sprigg, Dickinsonia tenuis Glaessner and Wade, Irridinitus multiradiatus Fedonkin, Vaizitsinia sophia Sokolov and Fedonkin and other forms) characteristic of the White Sea and Eriacaran biota occur in the Chernyi Kamen’ Formation in the upper...
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Series: Geological Society, London, Special Publications
Published: 01 January 2007
DOI: 10.1144/SP286.21
EISBN: 9781862395343
...-convex Irridinitus multiradiatus Fedonkin 1983 Ukraine Type Spriggia wadea Sun 1986 a South Australia Flat Vendella larini Gureev 1987 Ukraine Type Glaessneria imperfecta Gureev 1987 Ukraine Flat Jampolium wyrzhykoowskii Gureev (in Ryabenko et al. 1988...
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