Marine benthic communities in the Early Carboniferous of New South Wales (Visean-Delepinea aspinosa Zone)

The Delepinea aspinosa brachiopod Zone comprises two subzones: the Inflatia elegans and Linoprotonia tenuirugosa Subzones. Multivariate (cluster) analysis is used to identify benthic marine fossil communities (recurrent species associations) in samples collected from all known fossiliferous intervals of these subzones in the study area. The Euclidean distance coefficient, a weighted-pair grouping method, and a standardised data set are used to form dendrographic clusters inferred to represent recurrent species associations (communities). The results parallel those from faunas of the succeeding Rhipidomella fortimuscula Zone, i.e. several communities are evident and some species are numerically significant in more than one community. The communities of each subzone appear to intergrade rather than form rigid, depth-limited assemblages. Faunas of the I. elegans Subzone cluster into four communities, including the Unispirifer striatoconvolutus community, present in substrates near or below wave-base on a marine shelf. The I. elegans community is closest in species composition to the U. striatoconvolutus community, but does not occupy the same geographic range; it may be a precursor community. Two other communities, the Rhipidomella australis and Leptagonia analoga communities, overlap in range with the first two communities and are inferred to have occurred in a mid-shelf setting. Faunas of the subsequent faunal assemblage, the Linoprotonia tenuirugosa Subzone, are present on marine shelf substrates influenced by an actively prograding shoreline. The Rhipidomella australis community persisted into this subzone with a modified species composition. The Rugosochonetes careyi community is a new element.

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Date (Publication)
1994-01-01T00:00:00
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/81402

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Australian Geological Survey Organisation

 Canberra
Author

Lavering, I.H.

 1
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AGSO Journal of Australian Geology and Geophysics

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15:3:347-357

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Commonwealth of Australia (Geoscience Australia)
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Commonwealth of Australia (Geoscience Australia)

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  • Geoscientific information

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Product data repository: Various Formats

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Data Store directory containing one or more files, possibly in a variety of formats, accessible to Geoscience Australia staff only for internal purposes

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  • marine

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  • NSW

  • QLD

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  • Earth Sciences

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  • Published_External

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Creative Commons Attribution 4.0 International Licence

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4.0

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http://creativecommons.org/licenses/

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Australian Government Security ClassificationSystem

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2018-11-01T00:00:00
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Unclassified
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English
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UTF8

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Commonwealth of Australia (Geoscience Australia)

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Journal article (pdf)

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GA Publication

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Australian Government Security ClassificationSystem

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

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Unclassified

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urn:uuid/fae9173a-7157-71e4-e044-00144fdd4fa6

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English
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UTF8
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Commonwealth of Australia (Geoscience Australia)

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AGSO BMR Journal

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Geoscience Australia - short identifier for metadata record with

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eCatId/81402

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https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/fae9173a-7157-71e4-e044-00144fdd4fa6

Date info (Revision)
2018-04-20T06:07:34
Date info (Creation)
2014-06-03T00:00:00

Metadata standard

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AU/NZS ISO 19115-1:2014

Metadata standard

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ISO 19115-1:2014

Metadata standard

Title

ISO 19115-3

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Geoscience Australia Community Metadata Profile of ISO 19115-1:2014

Edition

Version 2.0, September 2018

Citation identifier
https://pid.geoscience.gov.au/dataset/ga/122551

 
 

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marine

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