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Barakella

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Journal Article
Journal: Palynology
Published: 22 December 2017
Palynology (2017) 41 (0): 80–94.
...Kui Yan; Jun Li; Stewart G. Molyneux; Elena G. Raevskaya; Thomas Servais ABSTRACT The Ordovician acritarch genus Barakella Cramer & Díez 1977 and two species, B. felix and B. fortunata , bearing characteristic anastomosing filamentous elements at one pole were first described from...
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Journal Article
Journal: Palynology
Published: 22 July 2020
Palynology (2020) 44 (3): 419–432.
... which a well-preserved assemblage of Ordovician acritarchs has been identified in five samples (cuttings and sidewall cores). The acritarch assemblage contains some diagnostic taxa, including Arbusculidium , Barakella , Coryphidium , Dactylofusa , Striatotheca , and Veryhachium , among others...
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Image
Idealized line drawings of some distinctive heteropolar ‘diacrodian’ acrita...
Published: 01 January 2009
. Servais, Brocke, & Fatka 1996 ; D – Lusatia Burmann 1970 ; E – Barakella Cramer & Diez 1977 ; F – Buchinia Volkova 1990b ; G – Ladogella Golub & Volkova in Volkova & Golub 1985 emend. Di Milia, Ribecai, & Tongiorgi 1989 ; H – Dasydiacrodium Timofeev 1959 emend. Deflandre
Journal Article
Journal: Palynology
Published: 01 January 2009
Palynology (2009) 33 (1): 219–239.
.... Servais, Brocke, & Fatka 1996 ; D – Lusatia Burmann 1970 ; E – Barakella Cramer & Diez 1977 ; F – Buchinia Volkova 1990b ; G – Ladogella Golub & Volkova in Volkova & Golub 1985 emend. Di Milia, Ribecai, & Tongiorgi 1989 ; H – Dasydiacrodium Timofeev 1959 emend. Deflandre...
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Image
Specimens of selected taxa from the Ordovician of the Paisa-1 well, Llanos ...
Published: 22 July 2020
5030–5040' IIES-PAL-0679; EF: N49; 8: Paisa-1 5030–5040' IIES-PAL-0679; EF: L34/4. 9, 10. Barakella felix , 9: Paisa-1 5030–5040' IIES-PAL-0679; EF: M20; 10: Paisa-1 4980–4990' IIES-PAL-0681; EF: O47/3. 11, 12. Striatotheca sp., 11: EF: M20; 10: Paisa-1 4980–4990' IIES-PAL-0681; EF: N37/1; 12: Paisa
Journal Article
Journal: Palynology
Published: 20 October 2021
Palynology (2021) 45 (4): 705–715.
... succession in Algeria, making it difficult to discriminate between different taxa. More recently, multivariate statistics have been applied to several acritarch taxa, including Dactylofusa velifera Cocchio 1982 by Wang et al. ( 2015 ), Barakella Cramer & Díez 1977 by Yan et al. ( 2017...
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Journal Article
Published: 01 August 1990
Journal of the Geological Society (1990) 147 (4): 615–618.
... and Veryhachium sp. A of Turner (1985), are of potential biostratigraphical value although their relatively short ranges need to be SHORT PAPER 617 verified. The apparently short ranges of other taxa may be misleading; Barakella fortunata occurs only in the Lower Llandeilo Lloydolithus lloydii Flags...
Journal Article
Journal: Palynology
Published: 22 December 2017
Palynology (2017) 41 (0): 10–22.
... Burmann 1970. E –  Barakella Cramer & Diez 1977. F –  Buchinia Volkova 1990. G –  Ladogella Golub & Volkova in Volkova & Golub 1985 emend. Di Milia et al. 1989. H –  Dasydiacrodium Timofeev 1959 emend. Deflandre & Deflandre-Rigaud 1962. I, J –  Nellia Golub & Volkova in Volkova...
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Journal Article
Journal: Palynology
Published: 22 December 2017
Palynology (2017) 41 (0): 1–9.
... cover this early Paleozoic interval, including the description of late Cambrian ‘giant’ acritarchs from Poland by Szczepanik, Servais & Zylinska, and the revision of two important Ordovician taxa, Barakella (Yan, Li, Molyneux, Raevskaya & Servais) and Frankea (Wang, Monnet & Servais...
Journal Article
Journal: Paleobiology
Published: 01 November 2022
Paleobiology (2022) 48 (4): 576–600.
... Barakella Cramer & Díez 1977 . Palynology 41 : 80 – 94 . Yin , L. M. , Y. L. Zhao , R. D. Yang , and J. Peng . 2010 . Acritarchs from the early-middle Cambrian Kaili formation in the Wuliu-Zengjiaya section, east Guizhou Province, China . Acta Palaeontologica Sinica 49...
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Journal Article
Journal: Palynology
Published: 06 October 2023
Palynology (2023) 47 (4): 2251044.
... Barakella Cramer & Díez 1977 . Palynology . 41 : 80 – 94 . Yan Y. 1995 . Shale facies microfloras from lower Changcheng System in Kuancheng, Hebei, and comparison with those of neighboring areas . Acta Micropalaeontol Sinica . 12 ( 4 ): 349 – 373 . Yao J , Xiao S , Yin...
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Series: Geological Society, London, Special Publications
Published: 10 May 2023
DOI: 10.1144/SP532-2022-49
EISBN: 9781786209641
... the lower and upper Azygograptus suecicus Zone (as defined by the first appearance of Azygograptus ellesi ). X.F. Wang et al. (2009) correlated the GSSP level with the North Gondwana Belonechitina henryi Chitinozoan Zone and noted that it also falls within the Ampullulae – Barakella felix...
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Series: Geological Society, London, Memoirs
Published: 01 January 2013
DOI: 10.1144/M38.23
EISBN: 9781862396425
... Australian and Baltic affinities. The largest component of the assemblage was described at the time as an endemic South Chinese component (42.2%), but this largely comprises endemic species assigned to genera with much wider distributions, including Baltisphaeridium , Barakella , Cymatiogalea...
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Series: Geological Society, London, Special Publications
Published: 17 May 2023
DOI: 10.1144/SP533-2022-128
EISBN: 9781786209658
... , Arbusculidium filamentosum , Aureotesta clathrata var. clathrata , Baltisphaeridium klabavense , Barakella felix , Coryphidium bohemicum , Cymatiogalea granulata , Ferromia pellita , Peteinosphaeridium cf. trifurcatum , Pirea ornata , Rhopaliophora palmata , Stelliferidium striatulum...
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