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Fig. 9 in Rugose corals across the Devonian-Carboniferous boundary in NW Turkey

Fig. 9. Palaeogeographic occurrences of uppermost Famennian (Strunian) rugose corals (modified after Chwieduk 2005, map after Golonka et al. 1994). 1, Omolon Massif (E Siberia); 2, Novaya Zemlya; 3, Istanbul Zone (NW Turkey); 4, Kraków, Holy Cross Mountains and Sudetes (S Poland); 5, PomeraniaRügen area (NW Poland and NE Germany); 6, German Kulm area (Thuringian and Rheinish massifs); 7, Namur-Dinant Basin (S Belgium, French Avesnois, German Aachen area); 8, Montagne Noire (S France); 9, Anti-Atlas (Morocco); 10, Xinzang (Tibet); 11, Transcaucasus (Armenia); 12, Hunan and Guizhou (S China); 13, Viet-Nam; 14, NW Australia; 15, New Mexico.

Fig. 6 in Rugose corals across the Devonian-Carboniferous boundary in NW Turkey

Fig. 6. Scatter diagram showing the number of septa plotted against corallite diameter for Campophyllum flexuosum (Goldfuss, 1826) and Campophyllum sp.

Fig. 4. Detailed lithological column around the D–C in Rugose corals across the Devonian-Carboniferous boundary in NW Turkey

Fig. 4. Detailed lithological column around the D–C boundary (DCB) in the Topluca section (unit ET-DC in Fig. 2). The stratigraphic distribution of some guide taxa is also indicated.

Fig. 8. Devonian–Carboniferous rugose corals from Turkey. A–E in Rugose corals across the Devonian-Carboniferous boundary in NW Turkey

Fig. 8. Devonian–Carboniferous rugose corals from Turkey. A–E. Caninophyllum charli sp. nov. from the lower Tournaisian (upper Hastarian) of Zonguldak, Gökgöl section. A. Holotype, G.8.1.1, successive TS (A1, A2); close-up view of the dissepimentarium, TS (A3). B. G.8.6.1, successive TS (B1, B2). C. G.8.4.3, TS. D. G.8.4.2, TS. E. G.8.3.2, LS. F, G. Uralinia simplex (Yü, 1933) from the lower Tournaisian (lower Hastarian) of Bartın, Topluca section. F. ET.9c.7, TS. G. ET.9c.8, TS. H. Amplexocarinia rozkowskae (Fedorowski, 2003) from the uppermost Famennian (Strunian) of Bartın, Dallıca section, D.2.4.II', TS. I.?Metriophyllum sp. from the uppermost Famennian (Strunian) of Bartın, Topluca section, ET.11.X, TS. J–L. Bounophyllum praecursor (Frech, 1895) form the uppermost Famennian (Strunian) of Bartın, Topluca section. J. ET.12a.1.III, successive TS (J1–J3). K. ET.12a.1.II, TS. L. ET.12a.1.V, LS. Scale bar A–G, 5 mm; H, 3 mm; I, 1.9 mm; J–L, 2.5 mm.

Fig. 2 in Rugose corals across the Devonian-Carboniferous boundary in NW Turkey

Fig. 2. Simplified lithological columns of the main sampled sections with the stratigraphic range of the rugose corals in the Yılanlı Formation and the position of samples with foraminifers (DFZ7, MFZ1, MFZ2, MFZ3 referring to the biostratigraphic zones of Poty et al. 2006). The position of the D–C boundary, based on foraminiferal assemblage, is indicated by the double arrow.

Fig. 1. A in Rugose corals across the Devonian-Carboniferous boundary in NW Turkey

Fig. 1. A. General structural map of Turkey (modified after Görür and Tüysüz 2001; Moix et al. 2008; Okay 2008). CCAC, Central Anatolian Crystalline Complex; EAAC, East Anatolian Accretionnary Complex (Sanadaj-Sirjan Block); Lycian Np., Lycian Nappes. B. Geological map of the IstanbulZonguldak Zone (modified after Okay et al. 2006) with the position of the Zonguldak and Bartın areas. C. Simplified geological map of the Zonguldak area (redrawn after Hoşgörmez 2007 and Charles 1933) with the location of the sampled sections (G, Gökgöl section). D. Simplified geological map of the Bartın area (redrawn after Tokay 1954) with the location of the sampled sections (T, Topluca section; D, Dallıca section; E, Esenpınar section).

Fig. 3 in Rugose corals across the Devonian-Carboniferous boundary in NW Turkey

Fig. 3. Uppermost Famennian (Strunian) facies in the Topluca section, Turkey. A. Lower stromatoporoid biostrome (unit ET12a in Fig. 2). B. Bioclastic facies of the unit ET11 crowded with large campophyllid solitary rugose corals in a packstone matrix.

Fig. 5 in Rugose corals across the Devonian-Carboniferous boundary in NW Turkey

Fig. 5. Cyathophylline Campophyllum flexuosum (Goldfuss, 1826) (A–M) and hetophylline Pseudoendophyllum sp. (N–Q) corals from the uppermost → Famennian (Strunian) of Zonguldak and Bartin areas, Topulca (A, B, D–I, K), Esenpınar (C, J), Gökgöl (L, M), and Dallıca (N–Q) sections, Turkey. A. ET.11.16.b, TS. B. ET.11.17.I, TS. C. EV.3.2, TS. D. ET.11.16.V', TS. E. ET.11.16.b, TS. F. ET.11.16.IV.b, TS. G. ET.11.18, TS. H. ET.11.18, TS. I. ET.11.13.II.a, TS. J. EV.3.5, TS (J1), LS (J2). K. ET.11.16.V, TS. L. G.3.17.I, LS. M. G.3.15, TS, close-up view of the dissepimentarium. N. D.2.1.II, TS. O. D.2.4.I, TS. P. D.2.2.I.a, successive TS (P1, P2). Q. D.2.2.I.b, LS. Scale bar 5 mm for all specimens except D, 2.5 mm and M, 3.75 mm.

Fig. 7 in Rugose corals across the Devonian-Carboniferous boundary in NW Turkey

Fig. 7. Cyathophylline coral Campophyllum sp. from the uppermost Famennian (Strunian) of Bartın area, Topluca section, Turkey. A. ET.11.12.III, succes- → sive TS (A1, A2). B. ET.11.12.II, successive TS (B1, B2). C. ET.11.12, successive TS (C1, C2); close-up view of the dissepimentarium and cardinal fossula, TS (C3); LS, (C4). D. ET.11.10, TS. Scale bar 5 mm for all specimens except C3, 3.75 mm.

Fig. 24 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)

Fig. 24. Acutimitoceras acutum (Schindewolf, 1923) from Gattendorf. A. Cross section of paralectotype SMF Mbg.3106 (Schindewolf 1916 Coll.) from bed 21. B. Suture line of specimen MB.C.31283 (Korn 1989 Coll.) from bed 21f, at dm = 11.5 mm, ww = 4.8 mm, wh = 5.5 mm. C. Growth line and constriction course in lectotype SMF.Mbg.3105 (Schindewolf 1916 Coll.) from bed 21, at dm = 16.4 mm, ww = 5.0 mm, wh = 9.0 mm. D –F. Ontogenetic development of the conch width index (ww/dm), umbilical width index (uw/dm), whorl width index (ww/wh) and whorl expansion rate (WER) of selected specimens. Grey dots = specimen MB.C.1986 from the Pfaffenberg near Saalfeld, from Bartzsch & Weyer (1996). Scale bar units = 1 mm.

Fig. 23 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)

Fig. 23. Acutimitoceras acutum (Schindewolf, 1923) from Gattendorf. A. Lectotype SMF Mbg.3105 (Schindewolf 1916 Coll.) from bed 21. B. Specimen MB.C.31283 (Korn 1989 Coll.) from bed 21f. Scale bar units = 1 mm.

Fig. 21 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)

Fig. 21. Stockumites sp., juvenile specimens (Korn 1989 Coll.) from Gattendorf, bed 21a. A. Specimen MB.C.31271. B. Specimen MB.C.31272. C. Specimen MB.C.31273. D. Specimen MB.C.31274. E. Specimen MB.C.31275. Scale bar units = 1 mm.

Fig. 20 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)

Fig. 20. Stockumites nonaginta sp. nov. from Gattendorf. A. Cross section of paratype MB.C.31270.1 (Korn 1989 Coll.) from bed 21c–d. B. Cross section of paratype MB.C.31270.2 (Korn 1989 Coll.) from bed 21c–d. C. Suture line of holotype BGRB X13403 (Schindewolf 1934 Coll.) from bed 21, at dm = 47.5 mm, ww = 18.7 mm, wh = 26.0 mm. D –F. Ontogenetic development of the conch width index (ww/dm), umbilical width index (uw/dm), whorl width index (ww/wh) and whorl expansion rate (WER) of selected specimens. Scale bar units = 1 mm.

Fig. 19 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)

Fig. 19. Stockumites nonaginta sp. nov., holotype BGRB X13403 (Schindewolf 1934 Coll.) from Gattendorf, bed 21. Scale bar units = 1 mm.

Fig. 18 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)

Fig. 18. Stockumites hofensis sp. nov. from Gattendorf, bed 21c–d. A. Cross section of paratype MB.C.31269.2 (Korn 1989 Coll.). B. Cross section of paratype MB.C.31269.3 (Korn 1989 Coll.). C. Cross section of paratype MB.C.31269.4 (Korn 1989 Coll.). D–F. Ontogenetic development of the conch width index (ww/dm), umbilical width index (uw/dm), whorl width index (ww/wh) and whorl expansion rate (WER) of selected specimens. Scale bar units= 1 mm.

Fig. 17 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)

Fig. 17. Stockumites hofensis sp. nov. from Gattendorf. A. Cross section of paratype MB.C.31269.5 (Korn 1989 Coll.) from bed 21c–d. B. Cross section of paratype MB.C.31269.6 (Korn 1989 Coll.) from bed 21c–d. C. Suture line of holotype MB.C.31269.1 (Korn 1989 Coll.) from bed 21c–d, at ww = 9.6 mm, wh = 10.8 mm. D. Suture line of paratype BGRB X13398 (Schindewolf 1934 Coll.) from bed 21, at dm = 28.8 mm, ww = 11.4 mm, wh = 15.1 mm. E. Suture line of paratype BGRB X13397 (Schindewolf 1934 Coll.) from bed 21, at ww = 12.6 mm, wh = 15.7 mm. Scale bar units = 1 mm.

Fig. 25 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)

Fig. 25. Gattendorfia subinvoluta (Münster, 1839) from Gattendorf. A. Holotype SNSB BSPG AS VII 30 (Münster Coll.). B. Holotype of "Gattendorfia ventroplana Schindewolf, 1923" SMF Mbg.3119 (Schindewolf 1916 Coll.). C. Specimen MB.C.8015. D. Specimen SMF Mbg.3118 (Schindewolf 1916 Coll.). Scale bar units = 1 mm.

Fig. 15 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)

Fig. 15. Stockumites convexus (Vöhringer, 1960) from Gattendorf, bed 21. A. Specimen SMF Mbg.7572 (Schindewolf 1916 Coll.). B. Specimen BGRB X13396 (Schindewolf 1934 Coll.). Scale bar units = 1 mm.

Fig. 16 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)

Fig. 16. Stockumites hofensis sp. nov. from Gattendorf. A. Paratype BGRB X13397 (Schindewolf 1934 Coll.) from bed 21. B. Paratype BGRB X13398 (Schindewolf 1934 Coll.) from bed 21. C. Holotype MB.C.31269.1 (Korn 1989 Coll.) from bed 21c–d. D. Paratype BGRB X13399 (Schindewolf 1934 Coll.) from bed 21. E. Paratype BGRB X13400 (Schindewolf 1934 Coll.) from bed 21. Scale bar units = 1 mm.

Fig. 13 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)

Fig. 13. Stockumites parallelus Korn & Weyer, 2023 from Gattendorf. A. Specimen MB.C.31267 (Korn 1989 Coll.) from bed 21a. B. Specimen BGRB X13392 (Schindewolf 1934 Coll.) from bed 21. C. Specimen BGRB X13393 (Schindewolf 1934 Coll.) from bed 21. Scale bar units = 1 mm.