Exceptional cameral deposits in a sublethally injured Carboniferous orthoconic nautiloid from the Buckhorn Asphalt Lagerstätte in Oklahoma, USA

Journal article


Publication Details

Author(s): Seuß B, Mapes RH, Klug C, Nützel A
Journal: Acta Palaeontologica Polonica
Publisher: Polska Akademia Nauk, Instytut Paleobiologi (Polish Academy of Sciences, Institue of Paleobiology)
Publication year: 2012
Volume: 57
Journal issue: 2
Pages range: 375-390
ISSN: 0567-7920
eISSN: 1732-2421


Abstract


The cameral and intrasiphonal deposits of a Pennsylvanian straight nautiloid (Pseudorthoceratidae) are studied in order to understand the formation of these deposits. The specimens from the Buckhorn Asphalt deposit (Oklahoma) are exceptionally preserved including original aragonite and microstructures. The specimen investigated survived a predation attempt and shows bite marks on the phragmocone. This is the second report of an ectocochleate cephalopod and first report of an orthoconic nautiloid which survived massive damage of conch and siphuncle. For the first time, a high-magnesium calcitic mineralogy of cameral deposits is documented. These deposits were formed in alternation with aragonite in a chamber which was perforated during the unsuccessful predation attempt. The animal formed the chamber deposits throughout its entire lifetime and the siphuncle played a major role in formation of the cameral deposits.



FAU Authors / FAU Editors

Seuß, Barbara Dr.
Lehrstuhl für Paläoumwelt


External institutions
Ludwig-Maximilians-Universität (LMU)
Universität Zürich (UZH)


How to cite

APA:
Seuß, B., Mapes, R.H., Klug, C., & Nützel, A. (2012). Exceptional cameral deposits in a sublethally injured Carboniferous orthoconic nautiloid from the Buckhorn Asphalt Lagerstätte in Oklahoma, USA. Acta Palaeontologica Polonica, 57(2), 375-390. https://dx.doi.org/10.4202/app.2011.0008

MLA:
Seuß, Barbara, et al. "Exceptional cameral deposits in a sublethally injured Carboniferous orthoconic nautiloid from the Buckhorn Asphalt Lagerstätte in Oklahoma, USA." Acta Palaeontologica Polonica 57.2 (2012): 375-390.

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Last updated on 2018-07-08 at 21:39