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Distribution and co...
Distribution and correlation of Sabellidites cambriensis (Annelida?) in the basal Cambrian on Baltica
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- Ebbestad, Jan Ove R., 1967- (författare)
- Uppsala universitet,Evolutionsmuseet
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- Hybertsen, Frida (författare)
- Uppsala universitet,Institutionen för geovetenskaper,Swedish Museum Nat Hist, Dept Palaeobiol, Box 500 07, S-10405 Stockholm, Sweden.
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- Hogstrom, Anette E. S. (författare)
- UiT Arctic Univ Norway, Arctic Univ Museum Norway, N-9037 Tromso, Norway.
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- Jensen, Soren (författare)
- Univ Extremadura, Fac Ciencias, Area Paleontol, Avenida Fis S-N, Badajoz 06006, Spain.
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- Palacios, Teodoro (författare)
- Univ Extremadura, Fac Ciencias, Area Paleontol, Avenida Fis S-N, Badajoz 06006, Spain.
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- Taylor, Wendy L. (författare)
- Univ Cape Town, Dept Geol Sci, Private Bag 103, ZA-7701 Rondebosch, South Africa.
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- Agic, Heda (författare)
- Univ Calif Santa Barbara, Dept Earth Sci, Santa Barbara, CA 93106 USA.
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- Hoyberget, Magne (författare)
- Magne Hoyberget, Rennesveien 14, N-4513 Mandal, Norway.
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- Meinhold, Guido (författare)
- Univ Gottingen, Geosci Ctr, Dept Sedimentol & Environm Geol, Goldschmidtstr 3, D-37077 Gottingen, Germany.;Keele Univ, Sch Geog Geol & Environm, Keele ST5 5BG, Staffs, England.;TU Bergakademie Freiberg, Inst Geol, Bernhard Von Cotta Str 2, D-09599 Freiberg, Germany.
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(creator_code:org_t)
- Cambridge University Press, 2022
- 2022
- Engelska.
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Ingår i: Geological Magazine. - : Cambridge University Press. - 0016-7568 .- 1469-5081. ; 159:7, s. 1262-1283
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Sabellidites cambriensis is a tubular non-mineralized metazoan that appears as compressed ribbon-shaped imprints with transverse wrinkling, thick walls and an even tube diameter of up to 3 mm. The distribution of Sabellidites is investigated in three Ediacaran-Cambrian sections on the Digermulen Peninsula in Arctic Norway, spanning the Manndrapselva Member of the Stahpogieddi Formation and the lower member of the Breidvika Formation. Here, the Ediacaran-Cambrian boundary is located in the lower part of the upper parasequence (third cycle) of the Manndrapselva Member. Specimens of Sabellidites are rare but consistently present close to the lowest level of Treptichnus pedum and upsection, whereas the taxon is common and abundant in the lower part of the lower member of the Breidvika Formation, with an upper record at c. 55 m above the base. The range is comparable with that of the GSSP section in Newfoundland, Canada, establishing Sabellidites as an index fossil for the lowermost Cambrian. In the Manndrapselva Member, Sabellidites co-occurs with the acritarch Granomarginata, indicative of the lowermost Cambrian Granomarginata Zone, whereas in the Breidvika Formation it co-occurs with Asteridium. Sabellidites is widely distributed in Baltica, through the Rovnian and Lontovan regional stages but confined to the Fortunian global stage. In its lower range, Sabellidites is associated with a Treptichnus pedum trace fossil association and a depauperate leiosphaerid acritarch assemblage, followed by a Granomarginata assemblage. In its upper range, Sabellidites co-occurs with acritarchs of the Asteridium-Comasphaeridium Zone and the tubular foraminiferan Platysolenites. In Baltica, Sabellidites is a useful index fossil.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Annan geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Other Earth and Related Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
Nyckelord
- Sabellidites
- Ediacaran-Cambrian boundary
- biostratigraphy
- correlation
- Baltica
- East European Platform
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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