Shell-Filled Burrows in the Upper Oligocene Antigua Formation, Antigua, Lesser Antilles

Donovan, S.K.; Harper, D.A.T.; Portell, R.W.

doi:10.1080/10420940.2016.1223653

Shell-Filled Burrows in the Upper Oligocene Antigua Formation, Antigua, Lesser Antilles

Donovan, S.K.; Harper, D.A.T.; Portell, R.W.

Authors

S.K. Donovan

Professor David Harper david.harper@durham.ac.uk
Emeritus Professor

R.W. Portell

Abstract

Limestones of the Upper Oligocene Antigua Formation of Antigua contain unusual burrows filled with the densely packed debris of shelly benthos. Unlined burrows (Planolites?) in deep-water biofacies at Half Moon Bay, parish of Saint Philip, are packed with a monospecific assemblage of large benthic foraminiferans (Lepidocyclina canelli Lemoine & Douvillé) and a single brachiopod valve, Tichosina sp. A similar burrow in shallower-water biofacies at Hughes Point, parish of Saint Philip, is packed with echinoderm debris and, particularly, test fragments of the spatangoid echinoid Lovenia n. sp. Fragments of the same echinoid fill a conical burrow, Bergaueria isp. The latter is probably a physical accumulation, the common fragments of echinoid being washed into an empty burrow. In contrast, the infill of Planolites? isp. is more likely to be an accumulation mediated by the burrower.

Citation

Donovan, S., Harper, D., & Portell, R. (2017). Shell-Filled Burrows in the Upper Oligocene Antigua Formation, Antigua, Lesser Antilles. Ichnos: an International Journal of Plant and Animal Traces, 24, 72-77. https://doi.org/10.1080/10420940.2016.1223653

Journal Article Type	Article
Acceptance Date	May 13, 2015
Online Publication Date	Sep 14, 2016
Publication Date	Jan 2, 2017
Deposit Date	Sep 15, 2016
Publicly Available Date	Sep 14, 2017
Journal	Ichnos: an International Journal of Plant and Animal Traces
Print ISSN	1042-0940
Electronic ISSN	1563-5236
Publisher	Taylor and Francis Group
Peer Reviewed	Peer Reviewed
Volume	24
Pages	72-77
DOI	https://doi.org/10.1080/10420940.2016.1223653

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Copyright Statement
This is an Accepted Manuscript of an article published by Taylor & Francis Group in Ichnos on 14/09/2016, available online at: http://www.tandfonline.com/10.1080/10420940.2016.1223653.