A silicoflagellate plexus associated with Bachmannocena diodon subsp. nodosa from the Eastern Equatorial Pacific (Ocean Drilling Program Leg 138)

• Autorzy: Szaruga Adrianna , Mccartney Kevin , Witkowski Jakub

Identyfikatory

DOI

10.24425/agp.2021.139306

• Języki publikacji: EN

Abstrakty

EN

Upper Miocene (~6 Ma) sediments from a north-south transect of Ocean Drilling Program Holes 848B, 849B, 850B, 851B across the equator in the Eastern Pacific Ocean record an episode of unusual skeletal variability associated with the silicoflagellate Bachmannocena diodon subsp. nodosa (Bukry) Bukry, 1987. Skeletons in this plexus persisted for between 55,000 and 75,000 years and include an arch across a 2-sided basal ring, a highly unusual morphology for the genus. Groups of skeletal morphotypes were common within the plexus episode, and occur in a systematic sequence that is consistent between sites. As a result of this study, silicoflagellates previously placed in the genus Neonaviculopsis Locker and Martini, 1986 are now considered part of the Bachmannocena diodon subsp. nodosa plexus.

Słowa kluczowe

EN

silicoflagellates; miocene; morphological variability; Messinian; bachmannocena; Neonaviculopsis

PL

wiciowce; miocen; zmienność morfologiczna; messyn

• Wydawca: Faculty of Geology of the University of Warsaw ; Komitet Nauk Geologicznych PAN
• Czasopismo: Acta Geologica Polonica
• Rocznik: 2022
• Tom: Vol. 72, no. 2
• Strony: 145--158
• Opis fizyczny: Bibliogr. 46 poz., rys., tab.

Twórcy

autor

Szaruga Adrianna

• Institute of Marine and Environmental Sciences, University of Szczecin, Mickiewicza 16a, 70-383 Szczecin, Poland

autor

Mccartney Kevin

• Department of Environmental Studies and Sustainability, University of Maine at Presque Isle, Presque Isle

autor

Witkowski Jakub

• Institute of Marine and Environmental Sciences, University of Szczecin, Mickiewicza 16a, 70-383 Szczecin, Poland

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).