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The Uuga Cliff section (Pakri Peninsula) was sampled in 2006 by Olle Hints and Jaak Nolvak (Fig.
Selected conodonts from the more complete Uuga Cliff were imaged with a Zeiss EVO MA15 scanning electron microscope.
Conodonts are generally very well preserved and abundant in the Darriwilian strata of the Uuga and Osmussaar cliffs (with the exception of the Pakri and Kandle formations).
The Toila Formation is represented by a single sample from the Uuga Cliff (OM11-1).
The Pakri Formation, studied in the Uuga Cliff, yielded mainly broken and worn conodonts of the genera Scolopodus, Paltodus, Acodus and Cordylodus (note that they are excluded from Fig.
The lowermost sample from the Kandle Formation in the Uuga Cliff section (OM6-1) contains no zonal species, but Panderodus sulcatus (Fahraeus) and Sagittodontina sp.
Grahn (1984) studied chitinozoans of the same interval from Tallinn, some 50 km to the east of the Uuga Cliff (Fig.
The same is true of the Uuga section, where notable changes in chitinozoan abundance occur in lithologically rather monotonous intervals.
The same explanation may perhaps apply to the Vao Formation of the Uuga Cliff section.
The most common genera that dominate the chitinozoan faunas in the Uuga section are Belonechitina and Desmochitina.
The most common chitinozoan in the Uuga Cliff is Belonechitina micracantha s.l., whose relative frequency peaks in the basal part of the Rebala Member and basal part of the Kostivere Member (note the frequency charts in Fig.
When applying the same concept to interpret frequency patterns in the Uuga section, one might expect that Desmochitina-dominated intervals (for instance sample 37) represent shallower-water conditions than intervals with a smaller proportion of the same genus (sample 40).
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