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Merrillina

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Series: GSA Special Papers
Published: 01 January 1984
DOI: 10.1130/SPE196-p263
... and (or) Merrillina, (4) a transitional facies containing any of the components of biofacies 3 with either Neogondolella or Xaniognathus, (5) facies dominated by Neogondolella and Xaniognathus. These biofacies (1–5) represent progressive shore or nearshore to offshore differentiation of the conodont faunas...
Journal Article
Journal: Geology
Published: 01 April 2013
Geology (2013) 41 (4): 399–402.
... biostratigraphic control and uncertainty in ranges of conodonts Merrillina and Parachirognathus allow for the excursion to be as old as Middle Permian (late Guadalupian) or as young as Early Triassic (Smithian). Published Middle Permian to Early Triassic δ 13 C curves for the Tethys (e.g., Xie et al., 2007...
FIGURES
Journal Article
Journal: Paleobiology
Published: 18 June 2019
Paleobiology (2019) 45 (3): 458–468.
... effect on the topology of the tree ( Fig. 2B ,C). Most of the structure of the tree is retained in both cases, compared with the synthetic phylogeny of Donoghue et al. ( 2008 ) ( Fig. 2A ). Notable differences are found in the position of the clade formed by Sweetina and Merrillina , which are found...
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Journal Article
Published: 25 October 2016
Geological Magazine (2018) 155 (1): 119–131.
... the middle-late Capitanian (Davydov, 2014 ; Davydov et al. 2015 ). The youngest fauna in the Park City and Phosphoria formations are typified by abundant Merrillina divergens conodonts and occur in the Retort Phosphatic Shale and Tosi Chert members of the Phosphoria Formation in Wyoming (equivalent...
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Journal Article
Journal: Geology
Published: 01 December 2004
Geology (2004) 32 (12): 1037–1040.
...-diversity conodont fauna comprising Mesogondolella (Neogondolella) rosenkrantzi , Merrillina divergens , and Xaniognathus abstractus in the coeval carbonate-dominated Wegener Halvø Formation indicates that the Ravnefjeld Formation shales were deposited in the late Wujiapingian ( Stemmerik et al., 2001...
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Journal Article
Journal: GSA Bulletin
Published: 01 September 2015
GSA Bulletin (2015) 127 (9-10): 1411–1421.
... contemporaneous across the region. Conodonts extracted from the Ravnefjeld Formation (a black shale unit that is laterally equivalent to the Wegener Halvø Formation) include Neogondolella rosenkrantzi , Xaniognathus abstractus , and Merrillina divergens . Rasmussen et al. (1990) considered...
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Journal Article
Journal: GSA Bulletin
Published: 04 February 2022
GSA Bulletin (2022)
... of conodont species from the Ravnefjeld Formation (laterally equivalent to the Wegener Halvø Formation, see Fig. 1) by Legler and Schneider (2008). However, a more recent study (Henderson, 2018, fig. 4) constrained the age of the Ravnefjeld conodont species (e.g., Mesogondoella rosenkrantzi and Merrillina...
Journal Article
Published: 22 July 2016
Journal of the Geological Society (2017) 174 (1): 56–74.
... ; Lawton & Roberson 2003 ; Fig. 11 ). These correlations are constrained by the overlying Zechstein, and indicate that the Zechstein successions are entirely Changhsingian in age, rather than as old as early Wuchiapingian, as suggested by the conodonts Merrillina divergens and Mesogondolella...
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Journal Article
Published: 01 June 2009
Bulletin of Canadian Petroleum Geology (2009) 57 (2): 167–191.
... sequence, also suggests that the Lindström Formation is Late Permian in age. An assemblage including Mesogondolella britanica and Merrillina divergens has been described from the basal Zechstein transgression in Britain ( Kozur, 1997 ; Swift and Aldridge, 1986 ) and correlated with the Lower...
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Series: Geological Society, London, Special Publications
Published: 01 January 2013
DOI: 10.1144/SP376.7
EISBN: 9781862396449
... ). A Re–Os age of 257.3±1.6 Ma for the Kupferschiefer in central Germany ( Brauns et al. 2003 ) is consistent with the Late Permian (i.e. lower Wuchiapingian) age of scarce conodonts ( Mesogondolella britannica , Merrillina divergens ) from the basal Zechstein ( Kozur 1994 , 2007 ; Legler et al...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 April 2001
GeoArabia (2001) 6 (2): 271–334.
..., Gondolelloides and Merrillina are cool water residents, whereas Diplognathodus, Sweetognathus and Iranognathus are warm water residents. Neostreptognathodus is more common in temperate zones than in the equatorial zone. Neogondolellids, Hindeodus and Sweetina are cosmopolitan and the most...
Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP450.9
EISBN: 9781786203311
... lineage including Mesogondolella ( M .), Jinogondolella ( J .), and Clarkina ( C .). Additional taxon ranges include Vjalovognathus ( V .), Merrillina (Me.), and C . aff. spp.=species of Clarkina with affinity to latest Changhsingian tethyan species ( Algeo et al. 2012 ). Dashed ranges...
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Series: Geological Society, London, Special Publications
Published: 01 January 2010
DOI: 10.1144/SP334.7
EISBN: 9781862395824
.... , Merrillina ; Ng. , Neogondolella . Fig. 3. Key conodonts from the Permian–Triassic (Changshingian–Induan) boundary. Catalogue numbers of specimens are given first, followed by age and location, including GSC curation number (cur.); followed by field sample number. All x80 (for which scale bar=200...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP450.8
EISBN: 9781786203311
... idahoensis and Merrillina sp. from the upper most part of the Kapp Starostin ( Nakrem et al. 1992 ) suggests latest Kungurian–early Roadian. Since reverse polarity dominates to the topmost part of the Kapp Starostin Formation ( Fig. 2 ) ( Hounslow et al. 2008 ), without major intervals of normal...
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Series: SEPM Special Publication
Published: 01 January 2003
DOI: 10.2110/pec.03.77.0095
EISBN: 9781565762145
... the Triassic on the basis of similar apparatuses. Wardlaw and Collinson (1986) showed that there are at least two intervening genera, Merrillina and Sweetina , in the Permian, and Wardlaw (2000) discusses a series of species of Sweetina from the Pennsylvanian to Middle Permian. ...
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Series: SEPM Special Publication
Published: 01 January 2002
DOI: 10.2110/pec.02.72.0339
EISBN: 9781565761940
... is 258 Ma, corresponding to the Wuchiapingian. By contrast, Swift (1986) reported that the occurrence of the conodonts Merrillina divergens (Bender and Stoppel) indicates a Capitanian age (Middle Permian). The southern Permian basin of central Europe can be further subdivided into the Lithuanian...
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