Brachiopod distribution through the Jurassic–Cretaceous transition in the western Tethyan pelagic realm: Example from the Bakony Mountains, Hungary

Vörös, Attila; Főzy, István; Szives, Ottilia

doi:10.1016/j.cretres.2019.07.012

Cited by 7 publications

(5 citation statements)

References 13 publications

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“…2); the only difference is that the Hungarian specimen has a larger ventral perforation closer to the anterior commissure. Almost all occurrences are reported from the Tithonian-Berriasian, however, the stratigraphic range of the species is much longer (Jarre 1962;Vörös et al 2019). This asymmetric and obviously injured specimen (Fig.…”

Section: Descriptionmentioning

confidence: 92%

“…The present authors follow the opinion of Lee (2006) regarding the generic assignment for this species. Some authors (Vörös et al 2019(Vörös et al , 2020 consider that this species belong to Antinomia without further reasoning; however, according to Lee (2006Lee ( : 2140, the latter one is a junior synonym for Pygope. Without established reasoning to place this species into Antinomia, we follow Lee (2006).…”

Section: Descriptionmentioning

confidence: 99%

“…Therefore, the Hungarian upper Oxfordian occurrence of this species strengthens the observation of Ficheur (1891) on the very early FO of Pygope catulloi. It ranges up to the lower Valanginian (Vörös et al 2019(Vörös et al , 2020 with an acme in the lower Tithonian when it reached its largest geographic distribution along both the northern and southern margins of the Western Tethys.…”

Section: Descriptionmentioning

confidence: 99%

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Oxfordian brachiopods from the ammonitico rosso-type Fonyászó Limestone formation at Zengővárkony, Mecsek Mountains, Hungary and their palaeoecological, palaeobiogeographical and palaeopathological significance

Bujtor

Albrecht²

2021

PalZ

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Recent discovery of a previously unknown outcrop in the vicinity of the Zengővárkony lime-kilns (Mecsek Mountains, Hungary) provided a few identifiable upper Oxfordian brachiopods that exhibit a truly Mediterranean (Tethyan) character. Dating of the outcrop is based on a rich ammonite fauna: Benetticeras benettii; Trimarginites ex gr. trimarginatus; Orthosphinctes (Orthosphinctes) ex gr. tiziani clearly indicate the Late Oxfordian. The brachiopod fauna indicates a deep-water marine environment and well-oxygenated sea floor. Nucleata bouei and Pygope catulloi are recorded for the first time from the Mecsek Mountains. A pathologic specimen of Pygope catulloi is also recognized. Its ventral valve was injured in an early developmental stage that caused deformation of the left side, which was overgrown by the healthy right side and created an asymmetric adult shell shape. Cause of the injury is unclear but it provides further evidence for subsequent healing of brachiopods after being injured. This is the first description and illustration of Oxfordian brachiopods from the Mecsek Mountains, Hungary. The occurrence of Tethyan originating pygopid brachiopods in the Oxfordian strengthens earlier observations that from the Bathonian/Callovian Tethyan influence became overwhelming in the Mecsek Mountains fauna. Pygope catulloi strengthens records from Algeria that pygopid brachiopods may have occurred very early on the periphery of the Western Tethys.

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Section: Descriptionmentioning

confidence: 92%

Section: Descriptionmentioning

confidence: 99%

Section: Descriptionmentioning

confidence: 99%

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Oxfordian brachiopods from the ammonitico rosso-type Fonyászó Limestone formation at Zengővárkony, Mecsek Mountains, Hungary and their palaeoecological, palaeobiogeographical and palaeopathological significance

Bujtor

Albrecht²

2021

PalZ

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“…2) As a result of the inability to present a tenable Berriasian stage boundary within the Jacobi-Grandis standard ammonite zone interval, as well as the instability of the proposed boundary location over decades and the obvious lack of a significant biological crisis (see GRANIER, ed., 2019a;GRANIER, 2019bGRANIER, , 2019cGRANIER, , 2019dVÖRÖS et al, 2019;ÉNAY, 2020;SALAZAR et al, 2020), one should definitely close the chapter of its candidacy as the Jurassic/Cretaceous system boundary opened by KILIAN (e.g., 1910) almost a century ago. It would be obtuse to keep on looking for a system boundary where one can hardly identify a stage boundary.…”

Section: See § "Remarks On Biomagnetostratigraphy"mentioning

confidence: 94%

A critical look at Tré Maroua (Le Saix, Hautes-Alpes, France), the Berriasian GSSP candidate section

Granier¹,

Ferry²,

Benzaggagh³

2020

Carnets Geol.

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“…In the framework of a comprehensive project the present author had the possibility to study a large brachiopod material from the Upper Jurassic to Lower Cretaceous formations of the Bakony Mountains (Hungary); the results were published in separate volumes (Vörös 2022a(Vörös , 2022b. The brachiopod fauna (1816 specimens, 32 species) was predominated by Pygopidae (1272 specimens).…”

Section: Methodsmentioning

confidence: 99%

Morphology and function of the perforation (keyhole) in Pygopidae (Terebratulida, Brachiopoda)

Vörös

2023

Annales Musei historico-naturalis hungarici

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For examination of their internal features, 14 specimens of Pygope and Antinomia from the Bakony Mts. were sectioned longitudinally and transversely. The perforation of the dorsal valve continues in a long tube which joins a short collar of the ventral valve. In slightly opened shells a narrow gap appears between the collar and the tube. The posterior part of the gap is near the rim of the ventral collar. In the new model of the feeding mechanism of pygopides this feature involves that the exhalant jet passed directly over the ventral entrance of the tube. The propulsion of the exhalant jet might generate a low-pressure regime in the tube. An advantage of this process is increasing circulation through the mantle cavities of the lateral lobes, by the sucking effect of the low-pressure regime. The pygopide might lift itself from the mud by contracting the adjustor muscles of its pedicle. The underlying unconsolidated mud is stirred up and the fine grained organic-rich material may be sucked into the low-pressure area of the tube. Then this suspended matter might be ejected off the tube and the food might be recycled by the inhalant currents. With 14 figures and one table.

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Brachiopod distribution through the Jurassic–Cretaceous transition in the western Tethyan pelagic realm: Example from the Bakony Mountains, Hungary

Cited by 7 publications

References 13 publications

Oxfordian brachiopods from the ammonitico rosso-type Fonyászó Limestone formation at Zengővárkony, Mecsek Mountains, Hungary and their palaeoecological, palaeobiogeographical and palaeopathological significance

Oxfordian brachiopods from the ammonitico rosso-type Fonyászó Limestone formation at Zengővárkony, Mecsek Mountains, Hungary and their palaeoecological, palaeobiogeographical and palaeopathological significance

A critical look at Tré Maroua (Le Saix, Hautes-Alpes, France), the Berriasian GSSP candidate section

Morphology and function of the perforation (keyhole) in Pygopidae (Terebratulida, Brachiopoda)

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