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dc.contributor.authorCózar, Pedro-
dc.contributor.authorSanz-López, Javier-
dc.contributor.authorBlanco-Ferrera, Silvia-
dc.date.accessioned2015-07-06T09:47:47Z-
dc.date.available2015-07-06T09:47:47Z-
dc.date.issued2015-04-11-
dc.identifier.citationGeobios, 48(3): 213–238 (2015)es_ES
dc.identifier.urihttp://hdl.handle.net/10261/117584-
dc.description.abstractThe Vegas de Sotres section (Cantabrian Mountains, Northern Spain) spans a continuous record of upper Viséan-Serpukhovian (Mississippian) marine carbonates. It contains distinctive bioclastic pale grey nodular and black limestones of the upper part of the Alba Formation, representative of more shallower-water facies than the classically described deeper-water red griotte limestones of the formation. Above the Alba Formation are dark grey laminated limestones typical facies of the Barcaliente Formation. The Alba Formation in Vegas de Sotres section is noteworthy for the common foraminifers. Systematic analysis of the lasiodiscid foraminifers allows the identification of diverse assemblages with 26 species assigned to 5 genera. The dominant genus is Howchinia, in which 18 species have been identified. Six species were previously described in the literature, 5 species are identified in open nomenclature, and 7 new species are described: H. acutiformis, H. cantabrica, H. enormis, H. hemisphaerica, H. plana, H. sotrensis, and H. variabilis. Also abundant are 5 species of the new genus Hemidiscopsis, formally described here for the first time. Another common genus is Monotaxinoides and, more rarely, Planohowchinia and Eolasiodiscus. Owing to the abundance of taxa, including intermediate forms, phylogenetic relationships are recognized, with transitional forms occurring between distinct genera. Biostratigraphically, some species may help in the recognition of the Viséan/Serpukhovian boundary, as they are recorded close to the first occurrence of the conodont Lochriea ziegleri. Howchinia hemisphaerica nov. sp. first occurs in slightly older levels in the upper Viséan, and H. nov. sp. 4 is found in the same bed as L. ziegleri. Nine species of Howchinia first occur in slightly younger levels in the lower Serpukhovian and therefore also help potentially in the recognition of the base of the Serpukhovian.es_ES
dc.description.sponsorshipFieldwork of P.C. was funded by the Spanish Ministerio de Innovación y Ciencia (research project CGL2012-30922BTE).es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relation.isversionofPostprintes_ES
dc.rightsopenAccesses_ES
dc.subjectLasiodiscidses_ES
dc.subjectForaminiferses_ES
dc.subjectBiostratigraphyes_ES
dc.subjectViséanes_ES
dc.subjectSerpukhovianes_ES
dc.subjectSpaines_ES
dc.titleLate Viséan-Serpukhovian lasiodiscid foraminifers in Vegas de Sotres section (Cantabrian Mountains, NW Spain): Potential biostratigraphic markers for the Viséan-Serpukhovian boundaryes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.geobios.2015.02.006-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.geobios.2015.02.006es_ES
dc.rights.licensehttp://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.relation.csices_ES
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