Mesozoic and Cenozoic Marine Benthic Calcareous Algae with Particular Regard to Mesozoic Dasycladaleans

Barattolo, Filippo

doi:10.1007/978-3-642-52335-9_22

Cited by 40 publications

(19 citation statements)

References 31 publications

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“…During the Late Jurassic-Early Cretaceous, the dasycladalean algae flourished, with some species recording acmes during relatively short stratigraphic intervals (Bassoullet et al, 1978;Barattolo, 1991;Berger and Kaever, 1992;Granier and Deloffre, 1993;Bucur, 1999). As a rule, fossil algae ecology can be deduced by extrapolating environmental observations made on present-day calcareous algae.…”

Section: Introductionmentioning

confidence: 99%

Dasycladalean algae from Upper Jurassic-Lower Cretaceous limestones of Piatra Craiului Massif (South Carpathians, Romania) and their relationship to paleoenvironment

Mircescu¹,

Bucur²,

Săsăran³

2014

Studia UBB Geologia

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Abstract. The Mesozoic limestones of Piatra Craiului Massif were deposited in the Dâmbovicioara sedimentary area, at the easternmost part of the Getic carbonate platform. In order to study the microfacies and to provide a more detailed biostratigraphy, we sampled the carbonate succession from Piatra Craiului Massif along several sections. Identified microfacies point to reef slope, carbonate platform margin and restricted, lagoon-type internal depositional environments. Some of the identified microfossils are biostratigraphic markers for the Tithonian-Lower Valanginian. The calcareous algae form associations typical for reef slopes and internal platforms. The latter can be subdivided into: (1) restricted environments (low-energy subtidal-intertidal) dominated by rivulariacean-type cyanobacteria, and (2) open-marine environments (moderate to high-energy subtidal) where dasycladalean algae are more frequent.

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Section: Introductionmentioning

confidence: 99%

Dasycladalean algae from Upper Jurassic-Lower Cretaceous limestones of Piatra Craiului Massif (South Carpathians, Romania) and their relationship to paleoenvironment

Mircescu¹,

Bucur²,

Săsăran³

2014

Studia UBB Geologia

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“…Overall long-term patterns of diversi®cation for corallines (Maslov 1956;Poignant 1974;Steneck, 1983) and dasycladaleans (Poignant 1974;Flu Ègel 1985;Barattolo 1991) for the Cretaceous±Cenozoic as a whole are reasonably well established. We compared coralline and dasycladalean diversity changes in the Maastrichtian±Danian interval (Aguirre et al 1997) and made a detailed compilation of species data for Cretaceous±Pleistocene corallines Fig.…”

Section: Algal Diversitymentioning

confidence: 85%

Late Cretaceous incident light reduction: evidence from benthic algae

Aguirre

Riding

Braga

2000

LET

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The Cretaceous±Palaeogene record of benthic marine algae is dominated by two calci-®ed groups: red Corallinales and green Dasycladales. Non-geniculate corallines range to depths of À268 m from tropics to poles. In contrast, dasycladaleans are restricted to shallow, warm waters. During the Maastrichtian, both groups suffered extinction of two-thirds of their species. Extinction among deeper-water species (61±70%) was only slightly less than for shallow-water species (67±79%). This small amount of selectivity between species with very different depth±temperature distributions implicates a factor capable of affecting most of the photic zone. Large-scale reduction in incident light is more likely to have this effect than changes in factors such as temperature or sea level, which would affect shallow water species more intensely than those in deep water. Sig-ni®cant incident light reduction features in both the bolide impact and extensive volcanism hypotheses of Cretaceous±Palaeogene extinction. Dating of this major Late Cretaceous benthic algal extinction event requires further stratigraphic resolution. Available evidence suggests that it occurred in the latter part of the Maastrichtian. Its precise timing could clarify debate concerning the nature and cause of end-Cretaceous mass extinction. Both corallines and dasycladaleans recovered their diversity in Early

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“…Ramalho 1971;Flügel 1979) or chlorophycean (e.g. Barattolo 1991), and it occurs commonly with B. irregularis and L. aggregatum. T. parvovesiculifera encrusts frame-builders or intergrows with other microencrusters such as B. irregularis and L. aggregatum (Fig.…”

Section: Lithocodium Aggregatum Elliott 1956 and Troglotella Incrustamentioning

confidence: 98%

Composition and spatial distribution of microencrusters and microbial crusts in upper Jurassic?lowermost Cretaceous reef limestone (Torinosu Limestone, southwest Japan)

Shiraishi

Kano

2004

Facies

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Tethyan microencrusters and microbial crusts, most of them previously unknown in Japanese Mesozoic biotas, are present in the uppermost Jurassic-lowermost Cretaceous Torinosu Limestone distributed in southwestern Japan. They construct reefal facies together with reefforming metazoans. Bacinella irregularis and Lithocodium aggregatum are quantitatively most important, while subordinate constituents include Thaumatoporella parvovesiculifera, Koskinobullina socialis, Iberopora bodeuri, Girvanella sp. and "Tubiphytes" morronensis. They are especially common in the shallow-water reefal facies, but appear micritic in outcrops. Microencrusters and microbial crusts can only be recognized in thin sections, and they grow around the reef building metazoans and form bindstone. Each microencruster exhibits some specific spatial distribution associated with its paleoecology. Similarities with the taxonomic composition of the upper Jurassic Tethyan microencruster association imply that the community extended geographically at least to the Tethyan gateway where the Japanese Island Arc was located.

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Mesozoic and Cenozoic Marine Benthic Calcareous Algae with Particular Regard to Mesozoic Dasycladaleans

Cited by 40 publications

References 31 publications

Dasycladalean algae from Upper Jurassic-Lower Cretaceous limestones of Piatra Craiului Massif (South Carpathians, Romania) and their relationship to paleoenvironment

Dasycladalean algae from Upper Jurassic-Lower Cretaceous limestones of Piatra Craiului Massif (South Carpathians, Romania) and their relationship to paleoenvironment

Late Cretaceous incident light reduction: evidence from benthic algae

Composition and spatial distribution of microencrusters and microbial crusts in upper Jurassic?lowermost Cretaceous reef limestone (Torinosu Limestone, southwest Japan)

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