{"id":"https://openalex.org/W7203737247","doi":"https://doi.org/10.5194/egusphere-alpshop2026-48","title":"Radiolarian response to the Jurassic-Cretaceous transition: Pangea breakup and the end of the Tethyan mega-monsoon","display_name":"Radiolarian response to the Jurassic-Cretaceous transition: Pangea breakup and the end of the Tethyan mega-monsoon","publication_year":2026,"publication_date":"2026-08-19","ids":{"openalex":"https://openalex.org/W7203737247","doi":"https://doi.org/10.5194/egusphere-alpshop2026-48"},"language":"en","primary_location":{"id":"doi:10.5194/egusphere-alpshop2026-48","doi":"https://doi.org/10.5194/egusphere-alpshop2026-48","is_oa":true,"landing_page_url":"https://doi.org/10.5194/egusphere-alpshop2026-48","pdf_url":null,"source":{"id":"https://openalex.org/S7407105102","display_name":"EGU \u00c9mile Argand Conference on Alpine Geological Studies","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"17th EGU \u00c9mile Argand Conference on Alpine Geological Studies","raw_type":"proceedings-article"},"volume":null,"type":"conference-abstract","is_traditional":false,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.5194/egusphere-alpshop2026-48","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5017937542","display_name":"Peter O. Baumgartner","orcid":"https://orcid.org/0000-0003-0632-659X","observed_orcids":["https://orcid.org/0000-0003-0632-659X","https://orcid.org/0000-0003-1212-0205"]},"institutions":[{"id":"https://openalex.org/I97565354","display_name":"University of Lausanne","ror":"https://ror.org/019whta54","country_code":"CH","type":"education","lineage":["https://openalex.org/I97565354"]}],"countries":["CH"],"is_corresponding":true,"raw_author_name":"Peter O. Baumgartner","raw_affiliation_strings":["Universit\u00e9 de Lausanne, Institut des Sciences de la Terre, CH-1015 Lausanne, Switzerland (peter.baumgartner@unil.ch)"],"raw_orcid":"https://orcid.org/0000-0003-0632-659X","affiliations":[{"raw_affiliation_string":"Universit\u00e9 de Lausanne, Institut des Sciences de la Terre, CH-1015 Lausanne, Switzerland (peter.baumgartner@unil.ch)","institution_ids":["https://openalex.org/I97565354"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5147623532","display_name":"Xin Li","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210103797","display_name":"Nanjing Institute of Geology and Paleontology","ror":"https://ror.org/019av8481","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210103797"]},{"id":"https://openalex.org/I4387152300","display_name":"State Key Laboratory of Palaeobiology and Stratigraphy","ror":"https://ror.org/03cz18e20","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210103797","https://openalex.org/I4387152300"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Li","raw_affiliation_strings":["State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing 210008, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing 210008, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210103797","https://openalex.org/I4387152300"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072304787","display_name":"Atsushi Matsuoka","orcid":"https://orcid.org/0000-0002-6327-9948","observed_orcids":["https://orcid.org/0000-0002-6327-9948","https://orcid.org/0000-0002-8930-2157"]},"institutions":[{"id":"https://openalex.org/I71395657","display_name":"Niigata University","ror":"https://ror.org/04ww21r56","country_code":"JP","type":"education","lineage":["https://openalex.org/I71395657"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Matsuoka Atsushi","raw_affiliation_strings":["Department of Geology, Faculty of Science, Niigata University, Niigata 950-2181, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geology, Faculty of Science, Niigata University, Niigata 950-2181, Japan","institution_ids":["https://openalex.org/I71395657"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5147611672","display_name":"O'Dogherty Luis","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I39147953","display_name":"Universidad de C\u00e1diz","ror":"https://ror.org/04mxxkb11","country_code":"ES","type":"education","lineage":["https://openalex.org/I39147953"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"O'Dogherty Luis","raw_affiliation_strings":["Facultad de Ciencias del Mar, Universidad de C\u00e1diz, 11510 Puerto Real, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Facultad de Ciencias del Mar, Universidad de C\u00e1diz, 11510 Puerto Real, Spain","institution_ids":["https://openalex.org/I39147953"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054921596","display_name":"\u0160pela Gori\u010dan","orcid":"https://orcid.org/0000-0001-8598-4691","observed_orcids":["https://orcid.org/0000-0001-8598-4691"]},"institutions":[{"id":"https://openalex.org/I4387154410","display_name":"Ivan Rakovec Institute of Palaeontology","ror":"https://ror.org/01y2yb643","country_code":"SI","type":"facility","lineage":["https://openalex.org/I4387154410","https://openalex.org/I4387154574"]}],"countries":["SI"],"is_corresponding":false,"raw_author_name":"Gori\u010dan \u0160pela","raw_affiliation_strings":["Paleontolo\u0161ki in\u0161titut Ivana Rakovca ZRC SAZU, Novi trg 2, SI-1000 Ljubljana, Slovenia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Paleontolo\u0161ki in\u0161titut Ivana Rakovca ZRC SAZU, Novi trg 2, SI-1000 Ljubljana, Slovenia","institution_ids":["https://openalex.org/I4387154410"]}]}],"institutions":[],"countries_distinct_count":5,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5017937542"],"corresponding_institution_ids":["https://openalex.org/I97565354"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10109","display_name":"Paleontology and Stratigraphy of Fossils","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1911","display_name":"Paleontology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10109","display_name":"Paleontology and Stratigraphy of Fossils","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1911","display_name":"Paleontology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11354","display_name":"Evolution and Paleontology Studies","score":0.0007999999797903001,"subfield":{"id":"https://openalex.org/subfields/1911","display_name":"Paleontology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10017","display_name":"Geology and Paleoclimatology Research","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/radiolarians","display_name":"radiolarians","score":0.6620000004768372},{"id":"https://openalex.org/keywords/jurassic-cretaceous-transition","display_name":"Jurassic-Cretaceous transition","score":0.9879999756813049},{"id":"https://openalex.org/keywords/pangea-breakup","display_name":"Pangea breakup","score":0.9639999866485596},{"id":"https://openalex.org/keywords/tethys-ocean","display_name":"Tethys","score":0.6420000195503235},{"id":"https://openalex.org/keywords/neo-tethys","display_name":"Neo-Tethys","score":0.8510000109672546},{"id":"https://openalex.org/keywords/panthalassa","display_name":"Panthalassa","score":0.9290000200271606},{"id":"https://openalex.org/keywords/paleoclimate","display_name":"paleoclimate","score":0.6430000066757202},{"id":"https://openalex.org/keywords/paleoceanography","display_name":"paleoceanography","score":0.9160000085830688},{"id":"https://openalex.org/keywords/radiolarites","display_name":"radiolarites","score":0.5429999828338623},{"id":"https://openalex.org/keywords/calcareous-nannoplankton","display_name":"calcareous nannoplankton","score":0.8309999704360962},{"id":"https://openalex.org/keywords/calpionellids","display_name":"calpionellids","score":0.9750000238418579},{"id":"https://openalex.org/keywords/faunal-turnover","display_name":"faunal turnover","score":0.531000018119812},{"id":"https://openalex.org/keywords/biostratigraphy","display_name":"biostratigraphy","score":0.6190000176429749},{"id":"https://openalex.org/keywords/argo-abyssal-plain","display_name":"Argo Abyssal Plain","score":0.7129999995231628},{"id":"https://openalex.org/keywords/western-tethys","display_name":"Western Tethys","score":0.8100000023841858},{"id":"https://openalex.org/keywords/central-atlantic","display_name":"Central Atlantic","score":0.47999998927116394},{"id":"https://openalex.org/keywords/ocean-opening","display_name":"ocean opening","score":0.3179999887943268}],"concepts":[{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.8240000009536743},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.7669000029563904},{"id":"https://openalex.org/C2776340010","wikidata":"https://www.wikidata.org/wiki/Q5270228","display_name":"Diachronous","level":3,"score":0.6467000246047974},{"id":"https://openalex.org/C35306142","wikidata":"https://www.wikidata.org/wiki/Q55814","display_name":"Extinction event","level":4,"score":0.6176000237464905},{"id":"https://openalex.org/C50944625","wikidata":"https://www.wikidata.org/wiki/Q570554","display_name":"Abyssal plain","level":3,"score":0.6132000088691711},{"id":"https://openalex.org/C2779614968","wikidata":"https://www.wikidata.org/wiki/Q4398","display_name":"Pangaea","level":4,"score":0.5989999771118164},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5575000047683716},{"id":"https://openalex.org/C167570900","wikidata":"https://www.wikidata.org/wiki/Q101313","display_name":"Phanerozoic","level":4,"score":0.51419997215271},{"id":"https://openalex.org/C2779217668","wikidata":"https://www.wikidata.org/wiki/Q107920","display_name":"Radiolaria","level":2,"score":0.5101000070571899},{"id":"https://openalex.org/C2778660078","wikidata":"https://www.wikidata.org/wiki/Q4330674","display_name":"Overprinting","level":3,"score":0.4860000014305115},{"id":"https://openalex.org/C2777598122","wikidata":"https://www.wikidata.org/wiki/Q208136","display_name":"Tethys Ocean","level":4,"score":0.45660001039505005},{"id":"https://openalex.org/C2777871205","wikidata":"https://www.wikidata.org/wiki/Q100926628","display_name":"Breakup","level":2,"score":0.4422999918460846},{"id":"https://openalex.org/C2780321876","wikidata":"https://www.wikidata.org/wiki/Q55833","display_name":"Supercontinent","level":4,"score":0.4408000111579895},{"id":"https://openalex.org/C20364790","wikidata":"https://www.wikidata.org/wiki/Q1069932","display_name":"Oceanic basin","level":3,"score":0.4187999963760376},{"id":"https://openalex.org/C173815673","wikidata":"https://www.wikidata.org/wiki/Q242857","display_name":"Abyssal zone","level":2,"score":0.38749998807907104},{"id":"https://openalex.org/C61721801","wikidata":"https://www.wikidata.org/wiki/Q864826","display_name":"Biostratigraphy","level":2,"score":0.37950000166893005},{"id":"https://openalex.org/C101991246","wikidata":"https://www.wikidata.org/wiki/Q5422078","display_name":"Extinction (optical mineralogy)","level":2,"score":0.3677000105381012},{"id":"https://openalex.org/C162430325","wikidata":"https://www.wikidata.org/wiki/Q2986361","display_name":"Pelagic sediment","level":3,"score":0.3621000051498413},{"id":"https://openalex.org/C109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","level":2,"score":0.3537999987602234},{"id":"https://openalex.org/C77942228","wikidata":"https://www.wikidata.org/wiki/Q191468","display_name":"Pelagic zone","level":2,"score":0.3280999958515167},{"id":"https://openalex.org/C32277403","wikidata":"https://www.wikidata.org/wiki/Q740445","display_name":"Ridge","level":2,"score":0.3154999911785126},{"id":"https://openalex.org/C11864286","wikidata":"https://www.wikidata.org/wiki/Q2839806","display_name":"Paleoceanography","level":2,"score":0.3142000138759613},{"id":"https://openalex.org/C58097730","wikidata":"https://www.wikidata.org/wiki/Q176318","display_name":"Subduction","level":3,"score":0.31310001015663147},{"id":"https://openalex.org/C204330871","wikidata":"https://www.wikidata.org/wiki/Q55810","display_name":"Paleogene","level":3,"score":0.30559998750686646},{"id":"https://openalex.org/C111612153","wikidata":"https://www.wikidata.org/wiki/Q141118","display_name":"Permian\u2013Triassic extinction event","level":5,"score":0.2985000014305115},{"id":"https://openalex.org/C2777029203","wikidata":"https://www.wikidata.org/wiki/Q228002","display_name":"Ammonoidea","level":4,"score":0.29280000925064087},{"id":"https://openalex.org/C140302290","wikidata":"https://www.wikidata.org/wiki/Q3267569","display_name":"Water mass","level":2,"score":0.28949999809265137},{"id":"https://openalex.org/C30860409","wikidata":"https://www.wikidata.org/wiki/Q867343","display_name":"Cyclostratigraphy","level":3,"score":0.27730000019073486},{"id":"https://openalex.org/C150117547","wikidata":"https://www.wikidata.org/wiki/Q188230","display_name":"Ecological succession","level":2,"score":0.27000001072883606},{"id":"https://openalex.org/C117935615","wikidata":"https://www.wikidata.org/wiki/Q2511922","display_name":"Holocene climatic optimum","level":3,"score":0.2685000002384186},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.26829999685287476},{"id":"https://openalex.org/C2776401274","wikidata":"https://www.wikidata.org/wiki/Q3756855","display_name":"Accretion (finance)","level":2,"score":0.266400009393692},{"id":"https://openalex.org/C119477230","wikidata":"https://www.wikidata.org/wiki/Q7950","display_name":"Plate tectonics","level":3,"score":0.26170000433921814},{"id":"https://openalex.org/C83042747","wikidata":"https://www.wikidata.org/wiki/Q686881","display_name":"Benthic zone","level":2,"score":0.2574999928474426}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.5194/egusphere-alpshop2026-48","doi":"https://doi.org/10.5194/egusphere-alpshop2026-48","is_oa":true,"landing_page_url":"https://doi.org/10.5194/egusphere-alpshop2026-48","pdf_url":null,"source":{"id":"https://openalex.org/S7407105102","display_name":"EGU \u00c9mile Argand Conference on Alpine Geological Studies","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"17th EGU \u00c9mile Argand Conference on Alpine Geological Studies","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.5194/egusphere-alpshop2026-48","doi":"https://doi.org/10.5194/egusphere-alpshop2026-48","is_oa":true,"landing_page_url":"https://doi.org/10.5194/egusphere-alpshop2026-48","pdf_url":null,"source":{"id":"https://openalex.org/S7407105102","display_name":"EGU \u00c9mile Argand Conference on Alpine Geological Studies","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"17th EGU \u00c9mile Argand Conference on Alpine Geological Studies","raw_type":"proceedings-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2794321379","https://openalex.org/W2073788160","https://openalex.org/W2058933224","https://openalex.org/W2009868098","https://openalex.org/W2079137925","https://openalex.org/W7222821975","https://openalex.org/W3089427790","https://openalex.org/W3034423040","https://openalex.org/W2292876364","https://openalex.org/W2978877883"],"abstract_inverted_index":{"Unlike":[0],"other":[1],"system":[2],"boundaries,":[3],"the":[4,32,35,44,52,96,117,122,133,140,163,171,191,204,207,215,217,226,248,251,263,269,292,318,327,342,346,372,387,396,404,409,433,441,447],"Jurassic-Cretaceous":[5],"transition":[6,33],"(J-K)":[7],"is":[8,130,173,250,341],"gradual,":[9],"without":[10],"a":[11,84,158,351,363,416,428],"mass":[12],"extinction":[13],"event":[14],"accompanied":[15],"by":[16,175,268],"major":[17,111,159],"excursions":[18],"of":[19,26,43,88,135,195,209,229,253,275,311,332,338,350,365,392,403,415,460],"stable":[20],"isotope":[21],"curves.":[22],"Significantly,":[23],"continuous":[24],"sedimentation":[25],"radiolarian-rich":[27],"siliceous":[28],"sediments":[29],"occurred":[30],"during":[31,95,139,348,371,395],"throughout":[34],"Neotethys":[36],"(NT)":[37],"and":[38,62,65,113,181,193,198,212,265,313,321,358,367,413,438,476],"Panthalassa,":[39],"which":[40],"represented":[41],">80%":[42],"J-K":[45,53,77,349,373,397],"world":[46],"ocean.We":[47],"studied":[48,100],"radiolarian":[49,104,160],"assemblages":[50],"across":[51,116],"in":[54,157,162,222,242,247,291,299,322],"two":[55],"distant":[56],"areas:":[57],"1.)":[58],"The":[59,67,99,335,422],"Central":[60],"Atlantic":[61],"Western":[63,120],"Tethys":[64,121],"2.)":[66,400],"Argo":[68,490],"Abyssal":[69,491],"Plain":[70,492],"(AAP.,":[71],"ODP":[72],"Site":[73,306,488],"765,":[74,489],"off":[75],"NW-Australia.":[76],"paleolatitude":[78],"45\u00b0":[79],"S).":[80],"Both":[81],"areas":[82],"share":[83],"similar":[85],"geodynamic":[86],"context":[87],"Pangaea":[89],"breakup":[90],"creating":[91],"young":[92],"ocean":[93],"basins":[94],"Middle-Late":[97],"Jurassic.":[98],"sections":[101],"reveal":[102],"different":[103],"faunal":[105],"evolutions":[106],"but":[107,295],"both":[108],"respond":[109],"to":[110,126,345,375,386,456,483],"palaeoceanographic":[112,366],"paleoclimatic":[114],"changes":[115],"J-K.1.)":[118],"In":[119,214],"change":[123,370],"from":[124],"radiolarite":[125],"pelagic":[127],"cherty":[128],"limestone":[129],"interpreted":[131,325],"as":[132,234,326],"result":[134,252],"cooler,":[136],"dryer":[137],"climates":[138],"Tithonian-Berriasian":[141],"Dry":[142,398],"Event.":[143,399],"Less":[144],"continental":[145,330],"weathering,":[146],"hence,":[147],"less":[148],"nutrient":[149],"input":[150],"created":[151],"more":[152],"oligotrophic":[153],"surface":[154],"waters":[155],"resulting":[156],"turnover":[161],"NT-realm.":[164],"UAZ13":[165],"(Baumgartner":[166],"et":[167,286,450],"al.":[168,287,451],"1995),":[169],"straddling":[170],"J-K,":[172,442],"defined":[174],"39":[176],"FO's":[177],"at":[178,184],"its":[179,185,254],"base":[180],"9":[182],"LO's":[183],"top.":[186],"Oligotrophic":[187],"conditions":[188],"also":[189,297],"triggered":[190],"rise":[192],"explosion":[194],"calcareous":[196],"nannoplankton":[197],"calpionellids.":[199],"UAZ":[200],"13":[201],"correlates":[202],"with":[203,379],"Crassicollaria":[205],"Zone,":[206],"FO\u2019s":[208],"hyaline":[210],"calpionellids,":[211],"Nannoconus.2.)":[213],"AAP":[216,249,293],"first":[218],"Tethyan":[219,231,258],"radiolarians":[220],"appear":[221],"Core":[223],"61":[224],"containing":[225],"J-K.":[227],"Ranges":[228],"typical":[230],"species":[232],"such":[233],"Podocapsa":[235],"amphitreptera":[236],"or":[237],"Acaeniotyle":[238],"umbilicata":[239],"begin":[240],"earlier":[241],"NT.":[243,257],"Their":[244],"later":[245],"appearance":[246],"opening":[255],"towards":[256],"taxa":[259],"are":[260,289],"rare":[261],"before":[262],"Valanginian/Hauterivian":[264],"become":[266],"common":[267],"Aptian-Albian.Several":[270],"latest":[271,481],"Jurassic-Early":[272],"Cretaceous":[273,458,485],"lineages":[274],"Austral":[276,339,444,475],"Radiolaria":[277,340,445,459,479],"(Nodosphaera,":[278],"Praewindalia,":[279],"Windalia,":[280],"Archaeotanella,":[281],"Morchella,":[282],"Fusitanella,":[283],"Argofusus,":[284],"Baumgartner":[285],"2023)":[288],"recorded":[290],"cores,":[294],"were":[296],"observed":[298],"S-Patagonia,":[300],"Antarctic":[301],"Peninsula,":[302],"Wedell":[303],"Sea":[304],"(ODP":[305],"69),":[307],"Kolbano":[308],"Mega":[309],"Sequence":[310],"Rote":[312],"Timor,":[314],"originally":[315],"deposited":[316],"on":[317],"NW-Australian":[319],"margin,":[320],"Southern":[323,388],"Tibet,":[324],"NT":[328,393,410,418],"distal":[329],"margin":[331],"Greater":[333],"India.":[334],"rapid":[336],"evolution":[337],"biotic":[343],"response":[344],"development":[347],"an":[352],"early":[353],"circum-S-polar":[354],"current":[355,431],"system.Radiolarian":[356],"biogeography":[357],"plate":[359],"tectonic":[360],"models":[361],"support":[362],"scenario":[364],"global":[368],"climatic":[369],"related":[374],"progressive":[376],"Pangea":[377],"break-up":[378],"3":[380],"consequences:":[381],"1).":[382],"Increased":[383],"heat":[384],"transfer":[385],"hemisphere":[389],"causing":[390],"cooling":[391],"regions":[394],"Northward":[401],"shift":[402],"southern":[405,417],"summer":[406],"ITCZ":[407],"reducing":[408],"monsoon":[411],"area":[412],"establishment":[414],"subtropical":[419],"gyre.":[420],"3.)":[421],"south-polar":[423],"West":[424],"Wind":[425],"Drift":[426],"forced":[427],"circum-Antarctic-Australian":[429],"cold":[430],"through":[432],"epicontinental":[434],"rift":[435],"between":[436],"India":[437],"Antarctica":[439],"since":[440],"transporting":[443],"into":[446],"AAP.Baumgartner,":[448],"P.O.":[449],"(Eds.).":[452],"1995.":[453],"Middle":[454],"Jurassic":[455,482],"Lower":[457],"Tethys.":[461],"Me\u0301m.":[462],"de":[463],"Ge\u0301ol.":[464],"Lausanne":[465],"23.Baumgartner,":[466],"P.,":[467],"Li,":[468],"X.,":[469],"Matsuoka,":[470],"A.,":[471],"Ve\u0301rard,":[472],"C.":[473],"2023.":[474],"Subtropical":[477],"Gyre":[478],"\u2013":[480],"Early":[484],"Leg":[486],"123,":[487],"revisited.":[493],"Micropaleontology.":[494],"69.":[495],"555-633.":[496],"10.47894/mpal.69.6.01.":[497]},"counts_by_year":[],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2026-08-20T00:00:00"}