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Full-Text Articles in Social and Behavioral Sciences
Martellia And Associated Middle Ordovician Brachiopods From The Katkoyeh Formation, East-Central Iran, Ian G. Percival, Anthony J. Wright, Robert S. Nicoll, Mir Alireza Hamedi
Martellia And Associated Middle Ordovician Brachiopods From The Katkoyeh Formation, East-Central Iran, Ian G. Percival, Anthony J. Wright, Robert S. Nicoll, Mir Alireza Hamedi
Anthony Wright
The palaeontology and stratigraphy of the Ordovician if Iran has been the subject of considerable research over the past 15 years, revealing biogeographically significant faunas whose affinities are shared both with peri-Gondwanian terranes and continental blocks. Documentation of the composition and ages of these faunas, many of which are still poorly known, is critical to constraining palaeogeographic reconstructions of the time.
Darriwilian (Middle Ordovician) Conodonts From Thompson Creek, Nelson Province, New Zealand, Yong Yi Zhen, Ian G. Percival, Roger A. Cooper, John E. Simes, Anthony J. Wright
Darriwilian (Middle Ordovician) Conodonts From Thompson Creek, Nelson Province, New Zealand, Yong Yi Zhen, Ian G. Percival, Roger A. Cooper, John E. Simes, Anthony J. Wright
Anthony Wright
A well preserved Middle Ordovician conodont fauna of 24 species has been recovered from seven samples of a small limestone lens exposed in Thompson Creek, northwest of Nelson, on the South Island of New Zealand. The presence of Histiodella holodentata, Baltoniodus? sp., Paroistodus originalis, P. horridus, Periodon macrodentatus, Protopanderodus sp. cf. P. varicostatus, Costiconus ethingtoni and Venoistodus balticus in the fauna indicates a Darriwilian (late Da2 to mid Da3) age. The occurrence of Ansella jemtlandica, Baltoniodus? sp., Periodon macrodentatus, Spinodus sp., Spinodus? sp. and Histiodella holodentata suggests a relatively deeper water (outer shelf to slope) setting, comparable with contemporaneous faunas, …
Middle Ordovician (Darriwilian) Brachiopods And Trilobites From Thompson Creek, Northwest Nelson, New Zealand, Ian G. Percival, Anthony J. Wright, Roger A. Cooper, John E. Simes, Yong Yi Zhen
Middle Ordovician (Darriwilian) Brachiopods And Trilobites From Thompson Creek, Northwest Nelson, New Zealand, Ian G. Percival, Anthony J. Wright, Roger A. Cooper, John E. Simes, Yong Yi Zhen
Anthony Wright
A well preserved Middle Ordovician shelly fauna, represented by twelve species of lingulate brachiopods and one trilobite genus, was recovered from an allochthonous limestone lens exposed in Thompson Creek, northwest of Nelson, on the South Island of New Zealand. The stratigraphic setting is unclear as the limestone is situated in the Takaka Terrane adjacent to the Anatoki Fault, separating this terrane from the Buller Terrane. The original depositional environment of the limestone is interpreted as relatively deep water (outer shelf to upper slope). Lingulate brachiopods described include the new species Hyperobolus? thompsonensis sp. nov., Cyrtonotreta robusta sp. nov., Scaphelasma paturauensis …