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Fig. 7 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)

Fig. 7. Morphological terminology used in this study to describe lituitid specimens; drawing from Dzik (1984).

Fig. 4 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)

Fig. 4. Stratigraphic distribution of lituitid taxa in Ordovician strata of Baltoscandia and Ordovician erratics; black circles indicate unambiguous presence, grey circles indicate possible presence. Species with unknown stratigraphic occurrence are excluded from the scheme. Stratigraphic chart after Ebbestad & Högström (2007) and Meidla et al. (2014); stage slices after Bergström et al. (2009).

Fig. 6 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)

Fig. 6. Shell injuries of lituitid specimens (shown in the centre to the right in both A and B). A. Lituites bottkei sp. nov., holotype MB.C.29651 (Bottke Coll.) from Gärdslösa (Island of Öland, Sweden). B. Rhynchorthoceras angelini (Boll, 1857), specimen MB.C.29656 (Bottke Coll.) from Skärlöv (Island of Öland). Scale bar units = 1 mm.

Fig. 9 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)

Fig. 9. Rhynchorthoceras angelini (Boll, 1857); reproductions of illustrations by Remelé (1890). A. Specimen MB.C.11724 from Heegermühle (Brandenburg), illustrated by Remelé (1890: pl. 3 fig. 5). B. Specimen MB.C. 11725.1 from Heegermühle (Brandenburg), illustrated by Remelé (1890: pl. 5 fig. 3). C. Specimen from Heegermühle (Brandenburg), illustrated by Remelé (1890: pl. 5 fig. 4). D. Specimen MB.C.11732.2 from Heegermühle (Brandenburg), illustrated by Remelé (1890: pl. 5 fig. 5). E. Specimen MB.C.11726.1 from Heegermühle (Brandenburg), illustrated by Remelé (1890: pl. 5 fig. 6). F. Specimen MB.C.11716 from Joachimsthal (Brandenburg), illustrated by Remelé (1890: pl. 5 fig. 7). G. Specimen MB.C.22577 from Heegermühle, illustrated by Remelé (1890: pl. 6 fig. 6). Scale bar units = 1 mm.

Fig. 2 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)

Fig. 2. Historical illustrations of Lituites specimens of Breyn (1732) (left) and de Montfort (1808) (right).

Fig. 3. A. Map with localities from which the herein studied specimens originated. B in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)

Fig. 3. A. Map with localities from which the herein studied specimens originated. B. Localities in north-eastern Germany and western Poland. C. Localities in the Island of Öland (Sweden). Map prepared using the QGIS software (using the open-source World Map, OpenStreetMap and "WISE Large rivers and large lakes F1v1 geodatabase" of the European Environment Agency). Number coding of localities: Norway: 1 – Oslo (former Christiania); Estonia: 2 – Karula (Lääne-Viru County), 3 – Tallinn (former Reval, Harju County); Germany, Berlin: 4 – Schmargendorf, 5 – Tempelhofer Feld; Germany, Brandenburg: 6 – Eberswalde, 7 – Fresdorf, 8 – Gellmersdorf (Angermünde), 9 – Gransee (Ruppin), 10 – Heegermühle, 11 – Hohensaaten, 12 – Joachimsthal, 13 – Karlsröhe (Lichterfelde, Eberswalde), 14 – Kranepuhl, 15 – Niederfinow, 16 – Niederlehme, 17 – Oderberg, 18 – Potsdam, 19 – Ringenwalde, 20 – Schmetzdorf, 21 – Schwedt, 22 – Teschendorf (Löwenberg), 23 – Vierraden (Schwedt), 24 – Werbellinsee, 25 – Werder (Potsdam); Germany, Mecklenburg-Vorpommern: 26 – Bansin (Usedom), 27 – Boltenhagen (Gross Klütz Höved), 28 – Dwasieden (Rügen), 29 – Göhren, 30 – Gross Zicker (Rügen), 31 – Hiddensee Island, 32 – Klütz Höved, 33 – Lansen (Malchin), 34 – Lebbin, 35 – Mukran (Sassnitz, Rügen), 36 – Neu-Ruthenbeck (Parchim), 37 – Rerik, 38 – Röbel, 39 – Usedom, 40 – Ventschow; Germany, Saxony-Anhalt: 41 – Schlagenthin; Poland, Kujawi-Pomerania: 42 – Bydgoszcz (former Bromberg), 43 – Osielsk (Bydgoszcz); Poland, Masovia: 44 – Czerwińsk; Poland, Pomerania: 45 – Juszkowo (former Gischkau), 46 –Skowarcz (former Schönwarling); Poland, Silesia: 47 – Żory (former Sorau); Poland, West Pomerania: 48 – Barnówko (former Berneuchen), 49 – Dewitz Castle (Dobra, former Dewitzburg bei Daber), 50 – Chrząszczewska Island (former Gristow), 51 – Ustronie Morskie (former Henkenhagen); Russia: 52 – Kaliningrad; Sweden, Dalarna: 53 – Fjecka (Boda), 54 – Skattungbyn; Sweden, Öland: 55 – Böda Hamn, 56 – Gärdslösa, 57 – Kårehamn, 58 – Skärlöv, 59 – Tjusby, 60 – Triberga; Sweden, Skåne: 61 – Södra Sandby.

Fig. 9 in The tornoceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 9. Paucitornoceras paucistriatum (d'Archiac & de Verneuil, 1842); MB.C.30414 (Koch Coll.) from Oberscheld. Scale bar units = 1 mm.

Fig. 7 in The tornoceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 7. Epitornoceras mithracoides (Frech, 1888), specimens from the Volpertseiche Mine near Oberscheld (both Koch Coll.). A. Lectotype (MB.C.469). B. Suture line of lectotype (MB.C.469); at dm = 43.5 mm; ww = 15.0 mm; wh = 25.5 mm. C. Paralectotype (MB.C.470). Scale bar units = 1 mm.

Fig. 8 in The tornoceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 8. Lentitornoceras materni gen. et sp. nov., holotype (MB.C.30413; Lotz 1901–1902 Coll.) from Oberscheld. A. Ventral view, lateral view and dorsal projection. B. Suture line; at dm = 26.0 mm; ww = 6.4 mm; wh = 15.2 mm. C. Growth line course; at dm = 26.0 mm; ww = 6.4 mm; wh = 15.2 mm. Scale bar units = 1 mm.

Fig. 4 in The tornoceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 4. Tornoceras typus (Sandberger & Sandberger, 1851), reproduction of the lectotype illustrations by Sandberger & Sandberger (1850–1856, pl. 10 fig. 14) and the photography by M.R. House in Becker (1993, pl. 3 figs 1–2). Scale bar units = 1 mm.

Fig. 5. Tornoceras frechi Wedekind, 1918. A in The tornoceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 5. Tornoceras frechi Wedekind, 1918. A. Specimen MB.C.834 (Beyrich Coll.) from Sessacker near Oberscheld. B. Suture line of specimen MB.C.834 (Beyrich Coll.); at ww = 4.5 mm, wh = 5.5 mm. C. Specimen MB.C.30411 (Dannenberg Coll.) from Sessacker near Oberscheld.D. Specimen MB.C.4490 from Sessacker Oberscheld. Scale bar units = 1 mm.

Fig. 6 in The tornoceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 6. Epitornoceras mithracoides (Frech, 1888), reproduction in original size of the illustration of the type material; paralectotype (MB.C.470) and lectotype (MB.C.469) by Frech (1888).

Fig. 2 in The tornoceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 2. Givetian and Frasnian ammonoid stratigraphy (after Becker & House 2000), probable extent of the Red Ironstone of Dillenburg and probable position of the ammonoid species described here.

Fig. 17 in The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 17. Koenenites lamellosus (Sandberger & Sandberger, 1851). A. Specimen MB.C.22184 (Koch Coll.) from Oberscheld (Anna Mine). B. Specimen MB.C.22183 (Dannenberg Coll.) from Oberscheld (Rinkenbach Mine). C. Specimen MB.C.4306.1 (Koch Coll.) from Oberscheld (Anna Mine). D. Specimen MB.C.4306.2 (Koch Coll.) from Oberscheld (Anna Mine). E. Specimen MB.C.4306.3 (Koch Coll.) from Oberscheld (Anna Mine). Scale bar units = 1 mm.

Fig. 14 in The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 14. Darkaoceras galeatum (Matern, 1931). A. Suture line of specimen MB.C.3633 (Ahlburg Coll.) from Oberscheld (Königszug Mine), at ww = 10.7 mm, wh = 16.5 mm. B–E. Ontogenetic trajectories of the cardinal conch parameters. Scale bar units = 1 mm.

Fig. 8 in The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 8. Ponticeras aequabile (Beyrich, 1837). A. Specimen MB.C.4291 (Koch Coll.) from Oberscheld. B. Specimen MB.C.4290 (Kauth Coll.) from Oberscheld. C. Specimen MB.C.5576 (Erbreich Coll.) from Oberscheld. D. Lectotype MB.C.4289.1 (Beyrich 1835 Coll.) from Oberscheld (Sessacker). E. Specimen MB.C.4289.2 (Erbreich Coll.) from Oberscheld. Scale bar units = 1 mm.

Fig. 21 in The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 21. Acanthoclymenia planorbis (Sandberger & Sandberger, 1851).A. Lectotype 46a in the Wiesbaden collection from Oberscheld; photograph and reproduction of the figure of Sandberger & Sandberger (1850–1856: pl. 9 fig. 3a). B. Paratype 46b in the Wiesbaden collection from Oberscheld; photograph and reproduction of the figure of Sandberger & Sandberger (1850–1856: pl. 9 fig. 3). C. Probably lost specimen; photograph and reproduction of the figure of Sandberger & Sandberger (1850–1856: pl. 9 fig. 3d, e). Scale bar units = 1 mm.

Fig. 6 in The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 6. Pseudoprobeloceras pernai (Wedekind, 1918). A. Suture line of specimen MB.C.30417.1 (Etzold 1910 Coll.) from Oberscheld ("Tiefe Grube"), at dm = 27.0 mm, ww = 9.0 mm, wh = 11.0 mm. B. Suture line of specimen MB.C.30418, probably from Oberscheld, at dm = 48.3 mm, ww = 11.9 mm, wh = 15.6 mm. C–F. Ontogenetic trajectories of the cardinal conch parameters. Scale bar units = 1 mm.

Fig. 4 in The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 4. Specimens of Pseudoprobeloceras Bensaïd, 1974 and Ponticeras Matern, 1929; reproductions from Wedekind (1918). A. Pseudoprobeloceras pernai (Wedekind, 1918), lectotype SMF.Mbg.2322 (Welsch 1912 Coll.) from Oberscheld (Prinzkessel Mine). B. Pseudoprobeloceras applanatum (Wedekind, 1918), holotype SMF.Mbg.2323 (Welsch Coll.) from Oberscheld (Prinzkessel Mine). C. Pseudoprobeloceras pernai (Wedekind, 1918), holotype SMF.Mbg.2326 (Welsch 1913 Coll.) of "Gephyroceras Barroisi" from Oberscheld (Prinzkessel Mine). D. Ponticeras aequabile (Beyrich, 1837), holotype SMF.Mbg.2324 (Meuhsen 1855 Coll.) of "Gephyroceras Kayseri" from Oberscheld (Königszug Mine). Scale bar units = 1 mm.

Fig. 13 in The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 13. Darkaoceras galeatum (Matern, 1931). A. Specimen MB.C.3658 (Ahlburg Coll.) from Oberscheld (Königszug Mine). B. Specimen MB.C.3635 (Ahlburg Coll.) from Oberscheld (Königszug Mine). C. Holotype MB.C.3652 (Ahlburg Coll.) from Oberscheld (Königszug Mine). D. Specimen MB.C.30429 (Fremdling Coll.) from Oberscheld (Prinzkessel Mine). Scale bar units = 1 mm.