Results 21 to 30 of about 7,697 (253)
Trilobite expansion into estuarine environments during the Ordovician radiation [PDF]
Estonian Journal of Earth Sciences, 2023 Trilobites have traditionally been considered fully marine. Through the integration of ichnological, palaeobiological and sedimentological datasets within a sequence-stratigraphic and stratiÂgraphic palaeobiology framework, we challenge this assumption.
M. Gabriela Mángano +5 more
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Deep-water trace fossils in the Ilfjellet rift basin (Middle Ordovician), central Norwegian Caledonides [PDF]
, 2022 The late Early to early Middle Ordovician Fjellvollen Formation, Central Norwegian Caledonides, is a part of the Ilfjellet Group volcano-sedimentary succession formed in a rift basin that opened along the Laurentian margin.
Gasser, Deta +3 more
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Journal of Palaeogeography, 2018 The uppermost part of the Upper Bathonian Sponge Limestone member, Patcham Formation, of the Jhura Dome of Kachchh Mainland is a thickening- and shallowing-upward succession topped by medium- to thick-bedded hummocky cross-stratified grainstones ...
Franz T. Fürsich +3 more
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Nature Communications, 2021 KNM-ER 2598 is one of the oldest known Homo erectus fossils but there are doubts about its age. Here, Hammond et al. trace the original location of the specimen, confirming an age >1.85 million years, and locating additional hominin fossils situated in a
Ashley S. Hammond +11 more
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Trace Fossils in Permian Rocks of English Riviera UNESCO Global Geopark [PDF]
Geoconservation Research, 2021 The Permian breccias, conglomerates and sandstones of the English Riviera UNESCO Global geopark were deposited in quite harsh, desert environments just north of the Permian Equator.
Malcolm Hart, Christopher Smart
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Вісник Харківського національного університету імені В.Н. Каразіна. Серія Геологія. Географія. ЕкологіяIntroduction. Exhaustion of large oil and gas deposits leads to exploring smaller geological structures, from which large amount of core cannot be extracted.
Rodion Moiseienko
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Dinosaur footprints and other Ichnofauna from the Cretaceous Kem Kem Beds of Morocco
, 2014 We describe an extensive ichnofossil assemblage from the likely Cenomanian-age 'lower' and 'upper' units of the 'Kem Kem beds' in southeastern Morocco.
Baidder, Lahssen +23 more
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Not armour, but biomechanics, ecological opportunity and increased fecundity as keys to the origin and expansion of the mineralized benthic metazoan fauna [PDF]
, 2005 This paper offers a new biotic interaction hypothesis for the Cambrian 'explosion' of mineralized, benthic, metazoan diversity. It proposes that organic-mineral composite structures (e.g.
Cohen, B.L.
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Cretaceous ophiuropod trace fossils from the Neuquén Basin, Argentina
, 2007 This paper reports the facies analysis and ichnology of a logged section in the lower part of the Mulichinco Formation (Early Valanginian), at Vega de Escalone in the Neuquén Basin, western Argentina.
Pablo J. Pazos +5 more
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Remarkable preservation of microbial mats in Neoproterozoic siliciclastic settings : Implications for Ediacaran taphonomic models [PDF]
, 2009 The authors thank Duncan McIlroy and Alex Liu for their discussions, help, comments and field support, the National Trust for access to Longmyndian localities, and the staff of the British Geological Survey Palaeontology unit and the Oxford University ...
Callow, Richard H. T. +4 more
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