bergstroemi Zone consists of the entire Moe and Svedasai formations and the Tootsi Member of the Jonstorp Formation (Figs.
The range of the zonal chitinozoan Tanuchitina bergstroemi in the Pirgu Stage includes the entire Moe Formation and the Tootsi Member of the Jonstorp Formation (in Orjaku, Hagudi, Kirikukula, and Are; Figs.
The red rocks grade in space and time into grey limestones with glauconite grains, sometimes with reddish spots of the Tootsi Member.
Among the short-lived ostracod species Hemiaechminoides excentricus Schallreuter is common in the Tootsi Member and Moe Formation (see Meidla 1996).
The thickest deposits of that interval formed in the easternmost transitional belt, where the lower Moe Formation or the Tootsi Member of the Jonstorp Formation reaches a thickness of 19.8 m (Oostriku core, SW of Kahala-II, Fig.
This interval comprises the upper part of the Tootsi Member, Halliku Formation, and the lowermost Oostriku Formation.