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35 results for “Devonian-Carboniferous boundary”
Fig. 14 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 14. Stockumites parallelus Korn & Weyer, 2023 from Gattendorf. A. Cross section of specimen MB.C.31268 (Korn 1989 Coll.) from bed 21c–d. B. Cross section of specimen BGRB X13394 (Schindewolf 1934 Coll.) from bed 21. C. Cross section of specimen BGRB X13395 (Schindewolf 1934 Coll.) from bed 21. 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. 10 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 10. Stockumites subbilobatus (Münster, 1839), holotype SNSB BSPG AS VII 26 (Münster Coll.) from Gattendorf. Scale bar units = 1 mm.
Fig. 7 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 7. Stockumites kleinerae (Korn, 1984) from Gattendorf. A. Cross section of specimen MB.C.31261 (Korn 1989 Coll.) from bed 21a. B. Cross section of specimen SMF Mbg.7561 (Schindewolf 1916 Coll.) from bed 21. C. Cross section of specimen SMF Mbg.7562 (Schindewolf 1916 Coll.) from bed 21. D. Cross section of specimen MB.C.31262.1 (Korn 1989 Coll.) from bed 21c–d. E–G. 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. 6 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 6. Stockumites kleinerae (Korn, 1984) from Gattendorf, bed 21. A. Specimen SMF Mbg.3108 (Schindewolf 1916 Coll.). B. Specimen GZG.INV.141. C. Specimen BGRB X13381 (Schindewolf 1934 Coll.). D. Specimen BGRB X13382 (Schindewolf 1934 Coll.). E. Specimen BGRB X13383 (Schindewolf 1934 Coll.). Scale bar units = 1 mm.
Fig. 11 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 11. Stockumites subbilobatus (Münster, 1839) from Gattendorf, bed 21, all Schindewolf 1934 Coll. A. Specimen BGRB X13385. B. Specimen BGRB X13386. C. Specimen BGRB X13387. Scale bar units = 1 mm.
Fig. 9 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 9. Stockumites intermedius (Schindewolf, 1923) from Gattendorf, bed 21, all (Schindewolf 1916 Coll.). A. Cross section of specimen SMF Mbg.7564. B. Cross section of specimen SMF Mbg.7565. C. Suture line of paralectotype SMF Mbg.7563, at dm = 16.7 mm, ww = 12.9 mm, wh = 8.3 mm. D. Growth line course of paralectotype SMF Mbg.7563, at dm = 14.8 mm, ww = 11.4 mm, wh = 7.3 mm. E. Growth line course of lectotype SMF Mbg.3111, at ww = 18.6 mm, wh = 14.0 mm. F–H. 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. 4 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 4. Mimimitoceras varicosum (Schindewolf, 1923) from Gattendorf, bed 21; both Schindewolf 1916 Coll. A. Specimen SMF Mbg.7560. B. Lectotype SMF Mbg.4706. Scale bar units = 1 mm.
Fig. 5. Paragattendorfia humilis Schindewolf, 1924 from Gattendorf, bed 21. A. Specimen BGRB X13380 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 5. Paragattendorfia humilis Schindewolf, 1924 from Gattendorf, bed 21. A. Specimen BGRB X13380 (Schindewolf 1934 Coll.). B. Original label of lectotype MB.C.4691 (handwriting of Schindewolf). Scale bar units = 1 mm.
Fig. 26. Gattenpleura pfeifferi Weyer, 1976 fromGattendorf, bed 21. A in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 26. Gattenpleura pfeifferi Weyer, 1976 fromGattendorf, bed 21. A. Specimen MB.C.765 (Denckmann 1912 Coll.). B. Specimen BGRB X13404 (Schindewolf 1934 Coll.). Scale bar units = 1 mm.
Fig. 22 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 22. Stockumites (?) involutus (Schindewolf, 1924)from Gattendorf, bed 21. A. Specimen MB.C.31282 (Schindewolf Coll.). B. Original label of lectotype MB.C.31282 (handwriting by Schindewolf). Scale bar units = 1 mm.
Fig. 8 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 8. Stockumites intermedius (Schindewolf, 1923) from Gattendorf. A. Lectotype SMF Mbg.3111 (Schindewolf 1916 Coll.) from bed 21. B. Paralectotype SMF Mbg.7563 (Schindewolf 1916 Coll.) from bed 21. C. Specimen BGRB X13384 (Schindewolf 1934 Coll.) from bed 21. D. Specimen MB.C.31263.1 (Korn 1989 Coll.) from bed 21a. Scale bar units = 1 mm.
Fig. 12 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 12. Stockumites subbilobatus (Münster, 1839) from Gattendorf, bed 21. A. Cross section of specimen BGRB X13388 (Schindewolf 1934 Coll.). B. Suture line of specimen BGRB X13389 (Schindewolf 1934 Coll.), at ww = 13.1 mm, wh = 13.2 mm. C–E. 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. 2 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 2. The stratigraphic section spanning the Devonian–Carboniferous boundary in the Gattendorf section and the occurrence of ammonoid species.
Fig. 1 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 1. The geographic position of Gattendorf in Bavaria and the position of the abandoned Gattendorf quarry in the topographic map of 1930.
Fig. 3 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Fig. 3. The morphological terms used in the description of the ammonoid conchs and suture lines.
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