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A small assemblage of linguliformean brachiopods (nine taxa) is documented from the Giles Creek Dolostone (Cambrian Series 3, Stage 5; Templetonian) in the Ross River Gorge area, NE Amadeus Basin, central Australia. Taxa described include: Aksarinaia subtilicrusta Percival & Kruse 2014, Aphelotreta cf. minuta Rowell 1980, Eothele granulata Roberts in Roberts & Jell 1990, Hadrotreta sp., Micromitra nerranubawu Kruse 1990, Prototreta millsi Brock & Percival 2006, Westonia cf. nyapungensis Kruse 1990, as well as two species left under open nomenclature: Linguloidea gen. et sp. indet. andAcrotheloidea gen. et sp. indet. The Giles Creek Dolostone fauna has strong similarities to those described from the Koonenberry Belt (far western New South Wales), and the Gum Ridge Formation from the neighboring Georgina Basin (Northern Territory and Queensland). These comparable linguliformean brachiopod faunas are all considered to be of Ordian to early Templetonian age (Cambrian Series 2, Stage 4 Series 3, Stage 5), which agrees with the early Templetonian (Cambrian Series 3, Stage 5) age assessment for the Giles Creek Dolostone based on co-occurring trilobite fauna. The absence of typical Ordian brachiopods Schizopholis napuru (=Karathele napuru) (Kruse 1990) and Kostjubella djagoran (=Vandalotreta djagoran) (Kruse 1990) suggests that these taxa may have shorter ranges and, therefore, would be useful for stage subdivision.
|Title of host publication||Cambro-Ordovician Studies VI|
|Editors||John R. Laurie, Ian G. Percival, James B. Jago, John R. Paterson, Glenn A. Brock|
|Place of Publication||Canberra|
|Number of pages||19|
|Publication status||Published - 2016|
|Name||Australasian Palaeontological Memoir|
- Pertaoorrta Group
- East Gondwana
Fossils, rocks and early Cambrian clocks: Calibrating body plan assembly and lineage splits in ancestral animals from Gondwana
Brock, G., Paterson, J., MQRES 3 (International), M. 3., PhD Contribution (ARC), P. C. (. & PhD Contribution (ARC) 2, P. C. (. 2.
1/01/12 → 31/12/15