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Analysis of conodont apparatus organisation and the genus lumudontus (Conodonta), a coniform-pectiniform apparatus structure from the Early Ordovician

Created 17/10/2025

Updated 17/10/2025

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A classification of conodont apparatus structure is set out, based on the type of element (coniform, ramiform or pectiniform) found in the discernens and contundens groups of elements. Of a possible nine organisational structural configurations, only four (coniform-coniform, coniform-pectiniform, ramiform-ramiform and ramiform-pectiniform) have been reported in the literature. The coniform- ramiform configuration is possible but has not yet been recognised; all other apparatus configurations are regarded as biologically improbable. The genus Jumudontus Cooper from the Early Ordovician (Arenig), represented by J. gananda Cooper, is shown to have a septimembrate coniform-pectiniform apparatus configuration. Jumudontus brevis sp. nov. is described, based on a partial apparatus reconstruction, using specimens from the Emanuel Formation of the Canning Basin, Western Australia.

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Title Analysis of conodont apparatus organisation and the genus lumudontus (Conodonta), a coniform-pectiniform apparatus structure from the Early Ordovician
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/e2a5500e-42bb-482a-a734-cc93f40f12d0
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage Australia
Data Portal Geoscience Australia

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This dataset was originally found on Geoscience Australia "Analysis of conodont apparatus organisation and the genus lumudontus (Conodonta), a coniform-pectiniform apparatus structure from the Early Ordovician". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/analysis-of-conodont-apparatus-organisation-and-the-genus-lumudontus-conodonta-a-coniform-pecti