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Myodocope ostracods from the Silurian of Australia

Perrier, Vincent; Siveter, David J.; Williams, Mark; Strusz, Desmond; Steeman, Thomas; Verniers, Jacques; Vandenbroucke, Thijs R. A.

Description

The Silurian of Australia contains at least three genera (one new, Canalarta gen. nov.) and three species (two new, Canalarta papata sp. nov. and Bolbozoe beccata sp. nov.) of myodocope ostracods. These fossils were recovered from clastic sedimentary deposits in the lower Silurian (probably Homerian) Walker Volcanics unit of New South Wales that may represent mudflow deposits. In having the youngest occurrence of Entomozoe aff. tuberosa and the oldest known Bolbozoe species, the Australian...[Show more]

dc.contributor.authorPerrier, Vincent
dc.contributor.authorSiveter, David J.
dc.contributor.authorWilliams, Mark
dc.contributor.authorStrusz, Desmond
dc.contributor.authorSteeman, Thomas
dc.contributor.authorVerniers, Jacques
dc.contributor.authorVandenbroucke, Thijs R. A.
dc.date.accessioned2015-12-10T22:43:56Z
dc.identifier.issn1477-2019
dc.identifier.urihttp://hdl.handle.net/1885/58386
dc.description.abstractThe Silurian of Australia contains at least three genera (one new, Canalarta gen. nov.) and three species (two new, Canalarta papata sp. nov. and Bolbozoe beccata sp. nov.) of myodocope ostracods. These fossils were recovered from clastic sedimentary deposits in the lower Silurian (probably Homerian) Walker Volcanics unit of New South Wales that may represent mudflow deposits. In having the youngest occurrence of Entomozoe aff. tuberosa and the oldest known Bolbozoe species, the Australian myodocopes represent a chronologically intermediate assemblage between previously known early and late Silurian myodocope faunas. Several fossil groups from the Silurian of Australia, such as ostracods, trilobites, brachiopods and corals, apparently have a cosmopolitan distribution at generic level. The presence of many continental and micro-continental landmasses that existed along and within the tropical pan-Tethyan seaway, together with the prevailing ocean circulation, could explain this distributional pattern. The depositional setting, sedimentary deposits and faunal associates do not provide conclusive evidence concerning the lifestyle of the Australian myodocopes. They could represent nektobenthic species, as has been suggested for other early to mid Silurian myodocopes, or hyperbenthic/pelagic species, as was proposed for known late Silurian forms.
dc.publisherCambridge University Press
dc.sourceJournal of Systematic Palaeontology
dc.titleMyodocope ostracods from the Silurian of Australia
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolumeonline
dc.date.issued2014
local.identifier.absfor040599 - Oceanography not elsewhere classified
local.identifier.absfor040308 - Palaeontology (incl. Palynology)
local.identifier.absfor040311 - Stratigraphy (incl. Biostratigraphy and Sequence Stratigraphy)
local.identifier.ariespublicationu4027924xPUB440
local.type.statusPublished Version
local.contributor.affiliationPerrier, Vincent, University of Leicester
local.contributor.affiliationSiveter, David J., University of Leicester
local.contributor.affiliationWilliams, Mark, Leicester University
local.contributor.affiliationStrusz, Desmond, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationSteeman, Thomas, Ghent University
local.contributor.affiliationVerniers, Jacques, Ghent University
local.contributor.affiliationVandenbroucke, Thijs R. A., Ghent University
local.description.embargo2037-12-31
local.bibliographicCitation.startpage1
local.bibliographicCitation.lastpage13
local.identifier.doi10.1080/14772019.2014.948506
local.identifier.absseo970104 - Expanding Knowledge in the Earth Sciences
dc.date.updated2015-12-09T11:18:38Z
local.identifier.scopusID2-s2.0-84939644717
CollectionsANU Research Publications

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