FIGURE 1. A. Map illustrating the position of the Republic of Moldova, western Ukraine and western Belarus. Inset highlights the study area. B. Wenlock lithofacies belts in the southwestern and western parts of Baltica (data for the western part from Modlinski et al., 2010; data for the southwestern part from Bukatchuk et al., 1988).
FIGURE 2. A. Map illustrating the position of the Timan-Pechora basin. Inset highlights the study area. B. Precarboniferous geological map of the Timan-Pechora basin, northeastern Baltica (modified from Nikonov, 2000).
FIGURE 3. Lithostratigraphic columns of the analysed outcrops (92, 14, 42, 20) from the upper course of the Dniester River valley (Moldova-Podillya Basin). 1-limestones; 2-dolomites; 3-marls; 4-argillaceous dolomites; 5-sandstones; 6-mudstones; 7-limestones with anhydrite/gypsum intercalations; 8-dolomites with anhydrite/gypsum intercalations; 9-bentonites; 10-unconformity; 11-volcanic event.
FIGURE 4. Lithostratigraphic columns accompanied by gamma-ray logs for the studied wells from the southwestern and western parts of Baltica (Moldova, Ukraine and Belarus). Legend is explained within Figure 3.
FIGURE 5. A. Coll. No. 2602/92-155, Helicosalpinx concoenatus inside a stromatoporoid, the sample was collected from the core of borehole 5483, depth 249 m. B. Cornulites sp. in Mesosolenia sp., coll. No. 2602/8762b, the sample was collected from the core of borehole 5414, depth 561,5 m. C. Rugosan within Clathrodictyon planum, coll. No. 2602/6957a, the sample was taken from outcrop No.117-156, Kozhym River (Komi Republic), Gerd’yu Formation (Přidolian). D. Helicosalpinx concoenatus Clarke, 1908 inside a stromatoporoid, coll. No. 2602/6943d, the sample was taken from outcrop No236-156, Kozhym River (Komi Republic), Gerd’yu Formation (Přidolian). E. Microconchid Palaeoconchus sp. inside Parallelostroma sp., coll. No. 2602/92-121d, the sample was taken from the core of borehole 5478, depth 214 m. F. Microconchid Palaeoconchus sp. inside a stromatoporoid, coll. No. 2602/805a, the sample was taken from the core of borehole Scherbin -11, depth 434 m (Podlasie-Brest Depression).
FIGURE 6. A. Conchicolites sp. inside Pseudolabechia sp., coll. No. 2602/6794, the sample was taken from the core of borehole 3660, depth 61,4 m. B. Helicosalpinx concoenatus and Chaetosalpinx sp. in Clathrodictyon sp., coll. No. 2602/6347b, the sample was taken from the core of borehole 3650, depth 234,8 m, Silurian, Ludlow, Ternava Formation, Sursha Unit, Podillya, Ukraine. C. Syringoporid in Parallelostroma communis (longitudinal section), coll. No. 2602/1425, the sample was taken from outcrop No 42, Silurian, Ludlow, Konivka Formation, Goloskiv Unit (Cyclite 3R), Podillya, Ukraine. D. Syringopora sp. inside Parallelostroma communis Bog., coll. No. 2602/92-49e, the sample was taken from outcrop No153, Silurian, Ludlow, Konivka Formation, Goloskiv Unit, Cyclite 1R (Ustia Village, Smotrich River, Podillya, Ukraine). E. Conchicolites sp. inside Clathrodictyon microstriatellum (Riab.), coll. No. 2602/92-244d, the sample was taken from the core of borehole 7v-Mândra (Mândra, Republic of Moldova), depth 694 m. F. Helicosalpinx concoenatus Clarke, 1908 inside Densastroma sp., coll. No. 2602/92-230, the sample was taken from core of borehole 5463, depth 347 m (northern Podillya).
