New charophyte flora from the Pine Hollow and Claron formations (southwestern Utah). Taxonomic, biostratigraphic, and paleobiogeographic implications

Sanjuan, Josep; Vicente, Alba; Eaton, Jeffrey G.

doi:10.1016/j.revpalbo.2020.104289

Cited by 9 publications

(8 citation statements)

References 19 publications

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“…When there were fewer than 100 specimens available for a species (e.g., Lychnothmanus vectensis (Groves, 1926) Soulié-Märsche, 1989 and Peckichara torulosa var. varians (Dollfus and Fritel, 1919) Sanjuan, Vicente, and Eaton, 2020), all the specimens were measured. Morphometric data from specimens of G .…”

Section: Methodsmentioning

confidence: 99%

“…Two varieties of P . torulosa have been proposed by Sanjuan et al (2020). The gyrogonites that bear a mid-cellular crest and massive apical nodules have been termed P .…”

Section: Systematic Paleontologymentioning

confidence: 99%

“…It was reported later from the late Eocene of the Paris Basin (Riveline, 1986) and the latest Priabonian to earliest Rupelian of the Ebro Basin (Sanjuan and Martín-Closas, 2014). In the United States, Vicente et al (2020) and Sanjuan et al (2020) reported Lychnothamnus sp. (probably a form with an affinity to L .…”

Section: Systematic Paleontologymentioning

confidence: 99%

“…Abstract A latest Paleocene charophyte flora collected from the South Gobi area in the Junggar Basin, western China, includes the geographically widespread taxa Peckichara torulosa var. varians (Dollfus and Fritel, 1919) Sanjuan, Vicente, and Eaton, 2020, Lychnothmanus vectensis (Groves, 1926) Soulié-Märsche, 1989, and Gyrogona lemani capitata Grambast and Grambast-Fessard, 1981. Lychnothmanus vectensis (as Lychnothmanus aff.…”

mentioning

confidence: 99%

“…Materials.-Approximately 10 gyrogonites have been recovered from the South Gobi area.Remarks.-Two varieties of P. torulosa have been proposed bySanjuan et al (2020). The gyrogonites that bear a mid-cellular crest and massive apical nodules have been termed P. torulosa var.…”

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confidence: 99%

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Asian Paleocene charophyte records demonstrate Eocene dispersals from Asia to Europe

Cao

et al. 2022

J. Paleontol.

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A latest Paleocene charophyte flora collected from the South Gobi area in the Junggar Basin, western China, includes the geographically widespread taxa Peckichara torulosa var. varians (Dollfus and Fritel, 1919) Sanjuan, Vicente, and Eaton, 2020, Lychnothmanus vectensis (Groves, 1926) Soulié-Märsche, 1989, and Gyrogona lemani capitata Grambast and Grambast-Fessard, 1981. Lychnothmanus vectensis (as Lychnothmanus aff. L. vectensis) is known from the Cretaceous–Paleocene transition in eastern China and the latest Paleocene in western China, with likely additional records from the United States (Utah). The earliest European records of L. vectensis are from the late Eocene to early Oligocene in Spain, France, and England. Similarly, the oldest record of G. lemani capitata is from the latest Paleocene in the South Gobi area, with younger records from the middle Eocene of France. These latest Paleocene gyrogonite assemblages demonstrate the origin of these charophyte lineages in Asia. The dispersal of these charophytes from Asia to Europe in the middle to late Eocene appears to have occurred before the retreat of the Turgai Strait in both the Tarim area and the Siberian Basin by the end of the late Eocene and before the “Grande Coupure” in Europe and the Mongolian Remodelling in Asia during the Eocene–Oligocene transition. We hypothesize that waterbirds may have facilitated this intercontinental dispersal, and that idea is supported by the shared occurrence of avian groups in Central Asia and Europe in the middle and late Eocene.

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Section: Methodsmentioning

confidence: 99%

“…Two varieties of P . torulosa have been proposed by Sanjuan et al (2020). The gyrogonites that bear a mid-cellular crest and massive apical nodules have been termed P .…”

Section: Systematic Paleontologymentioning

confidence: 99%

Section: Systematic Paleontologymentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Asian Paleocene charophyte records demonstrate Eocene dispersals from Asia to Europe

Cao

et al. 2022

J. Paleontol.

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Charophytes from theCretaceous–Palaeogenetransition in the Jhilmili intertrappean beds of Central India

et al. 2022

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The Jhilmili intertrappean beds (Chhindwara District, Madhya Pradesh) of Central India are studied from a palaeoenvironmental, palaeoecological, and palaeobiogeographical perspective using fossil charophytes. These beds have yielded a diverse charophyte assemblage, consisting of Platychara perlata, Platychara raoi, Platychara sahnii, Peckichara cf. varians, Nemegtichara cf. grambasti, and Chara sp. 1. These charophytes were recovered from a 60 cm thick clayey and nodular limestone unit that is underlain by claystone and overlain by laminated claystones deposited on fluvial floodplains. This charophyte assemblage suggests a Late Cretaceous-Early Danian age, which agrees with the previous dating carried out using freshwater to brackish water ostracods and planktic foraminifera found in the same beds, together with dasycladalean and halimedacean chlorophytes. The Jhilmili intertrappean charophyte assemblage resembles those found in other infra-and intertrappean sections of western, central, and southern India. The charophyte assemblage indicates that during the Cretaceous-Palaeogene timespan the Indian subcontinent mainly experienced interchange with Laurasia (China, Europe, and North America) but also with Gondwana (North Africa and South America). In the opposite sense, Laurasian species might have dispersed to India by means of a sweepstakes route across the Kohistan-Dras volcanic arcs.

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Palaeoecological, Palaeoenvironmental and Age Implications of the Cretaceous-Palaeogene Microbiota-Bearing Deccan Intertrappean beds of the Chhindwara District, Madhya Pradesh, India

Khosla

Verma

Kania

et al. 2023

Topics in Geobiology

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New charophyte flora from the Pine Hollow and Claron formations (southwestern Utah). Taxonomic, biostratigraphic, and paleobiogeographic implications

Cited by 9 publications

References 19 publications

Asian Paleocene charophyte records demonstrate Eocene dispersals from Asia to Europe

Asian Paleocene charophyte records demonstrate Eocene dispersals from Asia to Europe

Charophytes from theCretaceous–Palaeogenetransition in the Jhilmili intertrappean beds of Central India

Palaeoecological, Palaeoenvironmental and Age Implications of the Cretaceous-Palaeogene Microbiota-Bearing Deccan Intertrappean beds of the Chhindwara District, Madhya Pradesh, India

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