Ordovician conulariids (Scyphozoa) from the Upper Tiouririne Formation (Katian), eastern Anti-Atlas Mountains, southern Morocco

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Autor(es): dc.contributorHanover College-
Autor(es): dc.contributorCincinnati Museum Center-
Autor(es): dc.contributorFacultad de Ciencias Geológicas-
Autor(es): dc.contributorAmgueddfa Cymru – National Museum of Wales-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.creatorVan Iten, Heyo-
Autor(es): dc.creatorGutiérrez-Marco, Juan Carlos-
Autor(es): dc.creatorMuir, Lucy A.-
Autor(es): dc.creatorSimões, Marcello G.-
Autor(es): dc.creatorLeme, Juliana M.-
Data de aceite: dc.date.accessioned2025-08-21T22:42:45Z-
Data de disponibilização: dc.date.available2025-08-21T22:42:45Z-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2021-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1144/SP485.5-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/240815-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/240815-
Descrição: dc.descriptionStorm-dominated siliciclastic shelf deposits in the upper half of the Upper Tiouririne Formation (Upper Ordovician, upper Berounian–c. Katian 1–2) of southern Morocco contain large specimens of at least two species of Archaeoconularia (A. aff. consobrina and A. cf. imperialis). Pseudoconularia cf. grandi-ssima occurs in basal beds of the formation, but is far less abundant than Archaeoconularia. The large size of the Archaeoconularia (>500 mm long in some cases) suggests gigantism induced by cold, nutrient-rich waters. Specimens preserving the apical end terminate in a schott, indicating that the conulariids were severed near the apex prior to final burial. Many of the Archaeoconularia occur in monospecific aggregations in which the component specimens exhibit preferential alignment, probably owing to entrainment and burial by storm currents or flows. Some Archaeoconularia are encrusted by edrioasteroids and/or craniid brachiopods, which in certain cases are so closely spaced as to interfere with growth. The edrioasteroids and brachiopods were probably epibionts attached to living, erect or semi-erect conulariids that were partially infaunal. More generally, Late Ordovician conulariid assemblages of South Polar Gondwana and adjacent terranes exhibit low generic diversity relative to those of low-to mid-latitude terranes (Baltica and Laurentia), and are dominated numerically by Archaeoconularia.-
Descrição: dc.descriptionDepartment of Geology Hanover College-
Descrição: dc.descriptionDepartment of Invertebrate Paleontology Cincinnati Museum Center, 1301 Western Avenue-
Descrição: dc.descriptionInstituto de Geociencias (CSIC UCM) and Departamento de Geodinámica Estratigrafía y Paleontología Facultad de Ciencias Geológicas, José Antonio Novais 12-
Descrição: dc.descriptionDepartment of Natural Sciences Amgueddfa Cymru – National Museum of Wales, Cathays Park-
Descrição: dc.descriptionDepartment of Zoology São Paulo State University, Rubião Junior District, São Paulo-
Descrição: dc.descriptionGeosciences Institute University of São Paulo, R. Lago 562-
Descrição: dc.descriptionDepartment of Zoology São Paulo State University, Rubião Junior District, São Paulo-
Formato: dc.format177-199-
Idioma: dc.languageen-
Relação: dc.relationGeological Society Special Publication-
???dc.source???: dc.sourceScopus-
Título: dc.titleOrdovician conulariids (Scyphozoa) from the Upper Tiouririne Formation (Katian), eastern Anti-Atlas Mountains, southern Morocco-
Tipo de arquivo: dc.typelivro digital-
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