Planktonic Foraminiferal Assemblage in Surface Sediments from the Thukela Shelf, South Africa

Ovechkina, Maria N.; Bylinskaya, M. E.; Uken, Ron; Bag, P.

doi:10.5733/afin.051.0202

Cited by 11 publications

(2 citation statements)

References 20 publications

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“…7.2008 Globigerina falconensis ; Parcerisa et al ., fig. 5d.2010 Globigerina falconensis ; Ovechkina et al ., fig. 6A–C.2017 Globigerina falconensis ; Schiebel & Hemleben, pl.…”

Section: Systematic Palaeontologyunclassified

Bridging the extant and fossil record of planktonic foraminifera: implications for the Globigerina lineage

Fabbrini,

Greco,

Iacoviello

et al. 2023

Palaeontology

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We conducted a morphometric study and wall texture analysis on extant and fossil specimens of the planktonic foraminifera Globigerina falconensis plexus. Our global data reveal morphological inconsistencies between fossil and extant populations. Our results are significant as G. falconensis is widely used in palaeoceanographic studies in conjunction with its sister taxon G. bulloides. Morphologically these two species are similar, with the main difference being the distinctive apertural lip present in G. falconensis. We selected cores covering the entire stratigraphic range of G. falconensis, from the early Miocene to current day, spanning sites from high latitudes in the North Atlantic Ocean and the southern Indian Ocean to sites in equatorial regions. The morphology found in the modern ocean is not consistent with the Miocene holotype of Globigerina falconensis Blow described from lower Miocene sediments in Venezuela. A more lobate morphology evolved in the late Miocene, thus, a new name is required for this morphotype, coexisting in the modern oceans with G. falconensis s.s. We thus describe the new morphospecies, G. neofalconensis for the more lobate forms which evolved in the late Miocene and inhabit the modern oceans. Additionally, we report a pseudocancellate wall texture present in the G. falconensis plexus. We use the molecular sequences from the PR2 database to explore the generic attribution of the G. falconensis lineage, confirming its close relationship with G. bulloides and its retention in the genus Globigerina.

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“…7.2008 Globigerina falconensis ; Parcerisa et al ., fig. 5d.2010 Globigerina falconensis ; Ovechkina et al ., fig. 6A–C.2017 Globigerina falconensis ; Schiebel & Hemleben, pl.…”

Section: Systematic Palaeontologyunclassified

Bridging the extant and fossil record of planktonic foraminifera: implications for the Globigerina lineage

Fabbrini,

Greco,

Iacoviello

et al. 2023

Palaeontology

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“…TI-TVIII equals Eight traverses (I, Off Mahabalipuram; II, Off Palar River; III, Off Edierthittu; IV, Off Kazhikuppam; V, Off Muthialpet; VI, Off Gingee River; VII, Off Ponnaiyar River; VIII, Off Cuddalore) undertaken during the ROV Sagar Paschimi cruise 05/2012 ranging from a water depth of 10-300 m. Solid red polygons equals core sample locations with core numbers. The identification of planktonic species follows the taxonomic concepts given by Parker (1962), Saito et al (1981), Kennett and Srinivasan (1983), and Ovechkina et al (2010). The revised names for both benthic and planktic species are according to the WoRMS classification (World Register of Marine Species by Hayward et al, 2017).…”

Section: Figurementioning

confidence: 99%

Taxonomic notes on Recent Foraminifera from the Continental Shelf-Slope Region of Southwestern Bay of Bengal, East Coast of India

Symphonia¹,

Senthil

2019

Palaeontol Electron

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A fully comprehensive work comprising the systematics of benthic and planktonic foraminifera is attempted for the first time from the continental shelf-slope region between Chennai and Cuddalore on the east coast of India. A total of 45 surface sediment samples and 75 subsamples from three gravity cores obtained from various depths (10-300m) were analysed to identify 286 foraminiferal species. Thus, this paper examines the taxonomic description of 262 benthic foraminifera in 117 genera and 24 planktonic foraminifera in 13 genera illustrated by SEM images.

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The Planktonic foraminifera Globigerinoides eoconglobatus n. sp. in a glacial–interglacial context: IODP359 Sites U1467 and U1468

et al. 2018

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Planktonic Foraminiferal Assemblage in Surface Sediments from the Thukela Shelf, South Africa

Abstract: BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Cited by 11 publications

References 20 publications

Bridging the extant and fossil record of planktonic foraminifera: implications for the Globigerina lineage

Bridging the extant and fossil record of planktonic foraminifera: implications for the Globigerina lineage

Taxonomic notes on Recent Foraminifera from the Continental Shelf-Slope Region of Southwestern Bay of Bengal, East Coast of India

The Planktonic foraminifera Globigerinoides eoconglobatus n. sp. in a glacial–interglacial context: IODP359 Sites U1467 and U1468

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