British Avonian (Carboniferous) Conodont faunas, and their value in the local and intercontinental correlation

Rhodes, Frank H. T.; Austin, Ronald L.; Druce, E. C.

doi:10.5962/p.310413

Cited by 37 publications

(11 citation statements)

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“…The early Cavusgnathus record in South China is from the upper Jinling Formation, accompanied with the late Tournaisian species Polygnathus communis communis (Ni, 1984, identified as Cly . unicornis Rhodes, Austin, and Druce, 1969, but the single illustrated specimen is more like Cav . altifrons or Cav .…”

Section: Systematic Paleontologymentioning

confidence: 99%

“…Later conodont workers found these characters not practical and proposed using parapet ornaments with nodes rather than ridges to distinguish them from Cavusgnathus instead (Nicoll and Druce, 1979;von Bitter and Plint, 1987). The long-ranging Clydagnathus may be polyphyletic (Rhodes et al, 1969;Sandberg and Ziegler, 1979;Purnell, 1992). The reassignment of Cav.…”

Section: Cavusgnathus Unicornismentioning

confidence: 99%

“…Remarks. —Cavusgnathidae was erected by Austin and Rhodes (Robison, 1981) and originally included seven genera: Cavusgnathus Harris and Hollingsworth, 1933, Adetognathus Lane, 1967, Clydagnathus Rhodes, Austin, and Druce, 1969, Patrognathus Rhodes, Austin, and Druce, 1969, Taphrognathus Branson and Mehl, 1941, Capricornognathus Austin in Austin and Mitchell, 1975, and Cloghergnathus Austin in Austin and Mitchell, 1975. According to the current study, this family includes eight genera.…”

Section: Systematic Paleontologymentioning

confidence: 99%

“…cf. cavusformis Rhodes, Austin, and Druce, 1969; Briggs, Clarkson, and Aldridge, p. 3, figs. 1–3 (whole animal).…”

Section: Systematic Paleontologymentioning

confidence: 99%

“…Remarks. — Vogelgnathus campbelli is cosmopolitan and has been reported from many regions of middle and low latitudes (e.g., North America: Rexroad, 1957; Globensky, 1967; Purnell and von Bitter, 1992a; western Europe: Rhodes et al, 1969; Park, 1983; van den Boogaard, 1992; Purnell and von Bitter, 1992a; Nemyrovska and Samankassou, 2005; eastern Europe: Kabanov et al, 2009; East Asia: Igo, 1973; Qi et al, 2014; north coast of Gondwana: Jenkins et al, 1993; Nemyrovska et al, 2006; Medina-Varea, 2018; Atakul-Ozdemir et al, 2019; south Urals of central Asia: unpublished materials of the authors). We accept the recently revised phylogeny (Purnell and von Bitter, 1992a; Nemyrovska and Samankassou, 2005; Sanz-Lopez et al, 2019), and the profiles of our specimens are more like the possible ancestor V .…”

Section: Systematic Paleontologymentioning

confidence: 99%

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Middle Visean (Mississippian) conodonts from shallow-water deposits in the Yashui section, Guizhou, South China, and their stratigraphic significance

Wang,

Qi,

Yao

2023

J. Paleontol.

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The typical Mississippian shallow-water deposits of the Jiusi and Shangsi formations are well exposed in the Yashui section in southern Guizhou, South China. The strata are composed mainly of platform limestones intercalated with shales and sandstones. Conodonts obtained from the limestones are dominated by two assemblages of cavusgnathids: the Cavusgnathus aff. Cav. unicornis and Clydagnathus windsorensis assemblage from the upper Jiusi Formation and the Cavusgnathus unicornis assemblage from the lowest Shangsi Formation. Vogelgnathus campbelli (Rexroad, 1957) is reported for the first time in Eastern Paleotethys and is characterized by small lateral denticles. The evolutionary first occurrence of Cavusgnathus unicornis Youngquist and Miller, 1949 is recognized as a marker for the regional Shangsian stage. This biostratigraphic datum is interpreted to be correlative with other shallow-water conodont zones marked by Cavusgnathus unicornis s.l. and similar species from North America and Europe.

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Section: Systematic Paleontologymentioning

confidence: 99%

Section: Cavusgnathus Unicornismentioning

confidence: 99%

Section: Systematic Paleontologymentioning

confidence: 99%

“…cf. cavusformis Rhodes, Austin, and Druce, 1969; Briggs, Clarkson, and Aldridge, p. 3, figs. 1–3 (whole animal).…”

Section: Systematic Paleontologymentioning

confidence: 99%

Section: Systematic Paleontologymentioning

confidence: 99%

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Middle Visean (Mississippian) conodonts from shallow-water deposits in the Yashui section, Guizhou, South China, and their stratigraphic significance

Wang,

Qi,

Yao

2023

J. Paleontol.

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Biostratigraphic zonation and correlation of Mississippian rocks in Western Europe: some case studies in the late Viséan/Serpukhovian

Somerville

2008

Geological Journal

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In the Mississippian in Western Europe, biostratigraphic zonation and correlation of sequences has been refined using a combination of faunal and floral groups. In deep-water basins and on shelves advances have been made in recognizing evolutionary lineages of conodonts, particularly in the early Viséan to Serpukhovian, for example the Gnathodus praebilineatus -G. bilineatus bilineatus -G. bilineatus bollandensis lineage, which is closely tied to ammonoid zones in the Culm facies of Western and Central Europe, and the Lochriea saharae -L. commutata -L. nodosa -L. ziegleri lineage. Moreover, progress has been made in recognizing the Upper Viséan/Serpukhovian boundary, based on the first appearance datum (FAD) of Lochriea ziegleri.Greater precision in the dating and correlation of shallow-water platform facies has been achieved using foraminiferans. Although evolutionary developments in the Archaediscidae are still of major importance in terms of biostratigraphic dating, alternative lineages have been proposed recently for the late Asbian/Brigantian (late Viséan) interval, involving the CribrospiraBradyina -Parajanischewskina -Janischewskina lineage. These large cribrate complexed-walled forms are widely recognized throughout Western Europe. The base of the Viséan has recently been defined in South China using foraminiferans with the FAD of Eoparastaffella simplex in the lineage Eoparastaffella ovalis -E. simplex. The same criterion has been used to define the base of the Viséan (base of emended Moliniacian) in Belgium.Recent studies in Britain, Ireland, France, Spain and Poland have demonstrated that in the Upper Viséan many calcareous algal taxa and problematica are widespread in their distribution throughout the western Palaeotethys Realm. Moreover, five algal assemblages can be distinguished, based either on the first appearance of certain taxa or their acme developments, such as Falsocalcifolium punctatum and Calcifolium okense. In addition, there have been new discoveries in the Brigantian and Serpukhovian of algal taxa and problematica such as Archaeolithophyllum, Paraepimastopora and Claracrusta that were regarded previously as being restricted to the Pennsylvanian-Permian interval.Advances in rugose coral biostratigraphy have also been made in the upper Tournaisian and Upper Viséan, particularly using dissepimented taxa which occur in shallow-water platforms. The presence of uraliniids and Keyserlingophyllum in the upper Tournaisian of Western Europe (Belgium) are also recognized in South China and Siberia. In the Upper Viséan, refinements in zonation have been made using well-defined colonial and solitary species and species groups belonging to the families Lithostrotionidae and Axophyllidae and solitary taxa of the families Aulophyllidae and Cyathopsidae which are recognized throughout the western Palaeotethys.

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Conodonts

Jain¹

2019

Fundamentals of Invertebrate Palaeontology

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British Avonian (Carboniferous) Conodont faunas, and their value in the local and intercontinental correlation

Cited by 37 publications

References 0 publications

Middle Visean (Mississippian) conodonts from shallow-water deposits in the Yashui section, Guizhou, South China, and their stratigraphic significance

Middle Visean (Mississippian) conodonts from shallow-water deposits in the Yashui section, Guizhou, South China, and their stratigraphic significance

Biostratigraphic zonation and correlation of Mississippian rocks in Western Europe: some case studies in the late Viséan/Serpukhovian

Conodonts

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