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Graptolites in British stratigraphy
697 taxa of planktonic graptolites are recorded, and their stratigraphical ranges are given, through 60 biozones and subzones in the Ordovician and Silurian strata of England, Wales and Scotland, inExpand
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Lower Palaeozoic stratigraphy and palaeontology, Karadere–Zirze area, Pontus Mountains, northern Turkey
Lower Palaeozoic rocks in the Karadere-Zirze area, east of Safranbolu (Pontides, northern Turkey), range from Early Ordovician to Silurian. Overlying the probably Tremadoc Bakacak Formation are AydosExpand
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A correlation of Silurian rocks in the British Isles
A discussion of Silurian stratigraphical classification is followed by detailed comments upon the correlation of Llandovery, Wenlock, Ludlow, and post-Ludlow pre-Gedinnian rocks throughout theExpand
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The Ordovician fauna from the Contaya Formation of eastern Peru
The Ordovician Fauna from the Contaya Formation from the lowlands of eastern Peru is fully described for the first time. The fauna is restricted and consists essentially of brachiopods, trilobitesExpand
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Periodicity in the early Palaeozoic marine realm
Evidence from the British Isles suggests that during 3 intervals in the early Palaeozoic conditions approximating to those of a non-uniformitarian ‘greenhouse (G)’ state Earth were realized:Expand
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A Revised Correlation of Silurian Rocks in the British Isles
A discussion of Silurian stratigraphical classification is followed by detailed comments upon the correlation of Llandovery, Wenlock, Ludlow and Přidoli rocks throughout the British Isles.Expand
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New graptolite faunas from the Llandovery, lower Silurian of the Graveyard Creek Subprovince, Broken River region, Queensland, Australia
A continuous biostratigraphic sequence has been established, possibly from as low as the sedgwickii Biozone but certainly throughout the Telychian Stage (? sedgwickii, turriculatus, ?crispus,Expand
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Pridoli (Silurian) Graptolites in association with Baragwanathia (Lycophytina)
The debate surrounding the occurrences of the earliest Baragwanathia floras has been summarized by Garratt and Rickards (1984) and Garratt et al. (1984). Garratt has recently collected numerousExpand
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