Uchman, Alfred and Wetzel, Andreas. (2017) Hidden subsurface garden on own faeces – the trace fossil Tubulichnium rectum (Fischer-Ooster, 1858) from the Cretaceous-Palaeogene deep-sea sediments. Palaeontologia Electronica, 20.2.40A. pp. 1-18.
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Official URL: http://edoc.unibas.ch/55947/
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Abstract
Tubulichnium rectum (Fischer-Ooster, 1858) is an oblique to horizontal, unbranched, blind ending tube having margins densely lined with ellipsoidal muddy pellets. It occurs in fine sandy to muddy, siliciclastic and marly deep-sea sediments mostly from Turonian to Eocene times. It was probably produced by “worm”-like organisms, which fed on organic-rich sediment deposited seasonally or episodically on the sea floor. The faecal pellets were stored in the deep parts of the burrow within the anoxic zone beyond the depth that other burrowers usually penetrate. During periods of food shortage, the pellets were utilized as a supplementary nutrition source. Such behaviour in constructing and using a cache is interpreted as an adaptation to increased competition for food in the deep sea after the Cenomanian.
Faculties and Departments: | 05 Faculty of Science > Departement Umweltwissenschaften > Ehemalige Einheiten Umweltwissenschaften > Sedimentology (Wetzel) |
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UniBasel Contributors: | Wetzel, Andreas |
Item Type: | Article, refereed |
Article Subtype: | Research Article |
Publisher: | Coquina Press |
ISSN: | 1935-3952 |
e-ISSN: | 1094-8074 |
Note: | Publication type according to Uni Basel Research Database: Journal article |
Identification Number: |
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Last Modified: | 25 Oct 2017 09:42 |
Deposited On: | 25 Oct 2017 09:42 |
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