Jurassic/Cretaceous Epistominidae from Canada and Europe

Williamson, M. A.; Stam, B.

doi:10.2307/1485658

Cited by 13 publications

(3 citation statements)

References 16 publications

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“…Gradstein (1978) and Pandey & Dave (1993) recommended the use of such species as Garantella, Reinholdella, and reticulate Epistomina in Jurassic biostratigraphy. Williamson & Stam (1988) also stated that species of Epistomina are useful biostratigraphical markers during the Jurassic, at least up to stage level. In view of this, it is desirable to establish marker Middle and Late Jurassic foraminiferal species in the Indian region for biostratigraphical use.…”

Section: Discussionmentioning

confidence: 99%

Jurassic Foraminifera from the Dharang Member, Habo Formation, Habo Dome, Kutch, India: systematics, age, palaeoecology and palaeobiogeography

Talib

Wasim

Sabeeha

et al. 2016

Journal of Systematic Palaeontology

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The Middle Jurassic, Dharang Member of the Habo Formation, Habo Dome, Kutch, India yields rich foraminiferal assemblages comprising 59 species. The assemblages are dominated by the families Vaginulinidae and Nodosariidae. This paper is a systematic account of the 22 species recorded for the first time from this region. The foraminiferal assemblages indicate a Callovian age for the studied sequence. Based on the foraminiferal evidence, the sediments of the Dharang Member at Habo Dome were deposited in open marine conditions in the middle to outer shelf, with a fluctuating shoreline and within a tectonically unstable shelf zone. The Dharang Member foraminiferal assemblages, as well as other Jurassic foraminiferal assemblages of Kutch and Rajasthan, are assigned to the Indo-East African Province of the Anti-Boreal Realm.

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Section: Discussionmentioning

confidence: 99%

Jurassic Foraminifera from the Dharang Member, Habo Formation, Habo Dome, Kutch, India: systematics, age, palaeoecology and palaeobiogeography

Talib

Wasim

Sabeeha

et al. 2016

Journal of Systematic Palaeontology

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“…The Neocomian abyssal benthic foraminifers of Leg 123 were dated using the taxonomy and biostratigraphy of Bartenstein and Brand (1951), Kuznetsova (1974), Gradstein ( , 1986, Sliter (1980), Hart (1984), andWilliamson andStam (1988). In the literature, comparison of the Argo Abyssal Plain benthic record in DSDP Site 261 with that of Atlantic DSDP Sites 534 and 105 revealed close agreement in taxa observed, which leads us to postulate comparable stratigraphic ranges.…”

Section: Benthic Foraminifersmentioning

confidence: 68%

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1990

Proceedings of the Ocean Drilling Program

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“…References: Stam (1986) References: Ascoli et al (1984) [38]; Stam (1986) [20]; Williamson and Stam (1988) [39].…”

Section: Early Kimmeridgian Portugalmentioning

confidence: 99%

The First 40 Million Years of Planktonic Foraminifera

2021

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We provide a biochronology of Jurassic planktonic foramininfera, using first order linkage to ammonite and nannofossil stratigraphy and geochronology. This enigmatic and understudied group of microfossils occurred from middle Toarcian through Tithonian time, from ~180 to ~143 Ma; its origin is unknown. There are three genera: Globuligerina, Conoglobigerina and Petaloglobigerina. The genus Globuligerina, with a smooth to pustulose test surface texture appeared in Toarcian (late Early Jurassic) and Conoglobigerina, with a rough reticulate test surface texture in Oxfordian (early Late Jurassic) time. The genus Petaloglobigerina, having a petaloid last whorl with one or more claviform and twisted chambers evolved in early Kimmeridgian time from Globuligerina balakhmatovae. Biochronologic events for Jurassic planktonic foraminifera are most like First Common Appearance or Last Common Appearance events. The very first or very last appearance levels of taxa are not easily sampled and detected. We recognize stratigraphic events from eleven species across four postulated evolutionary lineages, calibrated to Geologic Time Scale 2020. A faunal change, which is not well documented led to the survival of only one taxon, most likely Gobuligerina oxfordiana in the Tithonian.

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Jurassic/Cretaceous Epistominidae from Canada and Europe

Cited by 13 publications

References 16 publications

Jurassic Foraminifera from the Dharang Member, Habo Formation, Habo Dome, Kutch, India: systematics, age, palaeoecology and palaeobiogeography

Jurassic Foraminifera from the Dharang Member, Habo Formation, Habo Dome, Kutch, India: systematics, age, palaeoecology and palaeobiogeography

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The First 40 Million Years of Planktonic Foraminifera

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