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Figure 21 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 21. Cross sections (A–I; all × 1.5) and ontogenetic trajectories (J–M) of Cymaclymenia lambidia n. sp. from the Anti-Atlas of Morocco. (A) Paratype MB.C.22632.3 (Korn 1998 Coll.) from Madène el Mrakib. (B) Paratype MB.C.22652.1 (Kullmann Coll.) from Aguelmous. (C) Paratype MB.C.22648.1 (Korn 2009 Coll.) from Lambidia (Aguelmous). (D) Paratype MB.C.22652.2 (Kullmann Coll.) from Aguelmous. (E) Paratype MB.C.22652.3 (Kullmann Coll.) from Aguelmous. (F) Paratype MB.C.22652.4 (Kullmann Coll.) from Aguelmous. (G) Paratype MB.C.22652.5 (Kullmann Coll.) from Aguelmous. (H) Paratype MB.C.22667.1 (Wendt Coll.) from Tizi Ibaouane. (I) Paratype MB.C.22626.1 (Feist 1990 Coll.) from Madène el Mrakib. (J) Conch width index (ww / dm). (K) Umbilical width index (ww / wh). (L) Whorl width index (uw / dm). (M) Whorl expansion rate (WER).
Figure 20. Cymaclymenia lambidia n in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 20. Cymaclymenia lambidia n. sp. from the Anti-Atlas of Morocco; all × 1.0. (A) Holotype MB.C.22632.1 (Korn 1998 Coll.) from Madène el Mrakib. (B) Paratype MB.C.22632.2 (Korn 1998 Coll.) from Madène el Mrakib. (C) Paratype MB.C.22604.1 (Korn 1995 Coll.) from Erfoud. (D) Paratype MB.C.22604.2 (Korn 1995 Coll.) from Erfoud. (E) Paratype MB.C.22604.3 (Korn 1995 Coll.) from Erfoud. (F) Paratype MB.C.22677 (Wendt Coll.) from Aguelmous.
Figure 8 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 8. Morphospace of cymaclymeniid specimens (grey dots) in the scatter plot of the first two PCA axes. Three examples of Devonian ammonoids ranging in the corners of the triangular total morphospace are shown: (A) Carinoceras as a slender, involute ammonoid with high aperture, (B) Prolobites as a globular, involute ammonoid with low aperture and (C) Phenacoceras as a slender, evolute ammonoid with low aperture.
Figure 5 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 5. Geological map of the eastern Anti-Atlas of Morocco with the most important localities of cymaclymeniid ammonoids.
Figure 3 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 3. Cross sections of the six analysed cymaclymeniid ammonoids from the Anti-Atlas of Morocco; all × 1.5. (A) Procymaclymenia ebbighauseni n. sp., paratype MB.C.22639 (Korn 1998 Coll.) from Madène el Mrakib. (B) Cymaclymenia subvexa n. sp., paratype MB.C.22675 (Wendt Coll.) from Bou Ifarherioun. (C) Cymaclymenia formosa n. sp., paratype MB.C.22649.3 (Korn 2009 Coll.) from Lambidia (Aguelmous). (D) Cymaclymenia lambidia n. sp., paratype MB.C.22632.3 (Korn 1998 Coll.) from Madène el Mrakib. (E) Cymaclymenia carnata n. sp., holotype MB.C.22654 (Kullmann Coll.) from Lambidia (Aguelmous). (F) Postclymenia calceola n. sp., paratype MB.C.9302.1 (Korn 2004 Coll.) from Lalla Mimouna.
Figure 2 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 2. Famennian biostratigraphy (based on Korn, 1999; Becker et al., 2002) with the approximate stratigraphic occurrences of the cymaclymeniid species in the Anti-Atlas of Morocco (T., Tournaisian; Fr., Frasnian).
Figure 12 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 12. Cross sections (A–E; all × 1.5) and ontogenetic trajectories (F–I) of Procymaclymenia ebbighauseni n. sp. from Madène el Mrakib (Anti-Atlas of Morocco). (A) Paratype MB.C.22619.2 (Ebbighausen and Korn 2009 Coll.). (B) Paratype MB.C.22619.4 (Ebbighausen and Korn 2009 Coll.). (C) Paratype MB.C.22639 (Korn 1998 Coll.). (D) Paratype MB.C.22619.5 (Ebbighausen and Korn 2009 Coll.). (E) Paratype MB.C.22619.3 (Ebbighausen and Korn Coll.). (F) Conch width index (ww / dm). (G) Umbilical width index (ww / wh). (H) Whorl width index (uw / dm). (I) Whorl expansion rate (WER).
Figure 24. Cymaclymenia serotina n in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 24. Cymaclymenia serotina n. sp. from the Anti-Atlas of Morocco; all × 1.0. (A) Holotype MB.C.22605.1 (Korn 1995 Coll.) from Erfoud. (B) Paratype MB.C.22605.2 (Korn 1995 Coll.) from Erfoud. (C) Paratype MB.C.22605.3 (Korn 1995 Coll.) from Erfoud.
Figure 23 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 23. Cross section (A; × 1.5) and ontogenetic trajectories (B–E) of Cymaclymenia involvens Lange, 1929 from the Rhenish Mountains of Germany. (A) Specimen MB.C.22696 (Korn 1977 Coll.) from Becke-Oese. (B) Conch width index (ww / dm). (C) Umbilical width index (ww / wh). (D) Whorl width index (uw / dm). (E) Whorl expansion rate (WER).
Figure 7 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 7. Ontogenetic trajectories of the four cardinal conch parameters conch width index (CWI = ww / dm), whorl width index (WWI = ww / wh), umbilical width index (UWI = uw / dm) and whorl expansion rate (WER) in Cymaclymenia lambidia.
Figure 28 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 28. Cross sections (A–D; all × 1.5) and ontogenetic trajectories (E–H) of Postclymenia calceola n. sp. from Lalla Mimouna (Anti-Atlas of Morocco). (A) Paratype MB.C.9302.2 (Ebbighausen 2005 Coll.). (B) Paratype MB.C.9302.1 (Ebbighausen 2005 Coll.). (C) Paratype MB.C.9302.3 (Ebbighausen 2005 Coll.). (D) Paratype MB.C.9302.4 (Ebbighausen 2005 Coll.). (E) Conch width index (ww / dm). (F) Umbilical width index (ww / wh). (G) Whorl width index (uw / dm). (H) Whorl expansion rate (WER).
Figure 22. Cymaclymenia involvens Lange, 1929 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 22. Cymaclymenia involvens Lange, 1929 from the Rhenish Mountains (Germany); all × 1.0. (A) Holotype MB.C.3695 (Lange 1923 Coll.) from Wocklum. (B) Paratype MB.C.3696 (Lange 1923 Coll.) from Wocklum. (C) Specimen MB.C.22698 (Korn 1975 Coll.) from Dasberg. (D) Specimen MB.C.22699 (Korn 1990 Coll.) from Dasberg.
Figure 6 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 6. Conch dimensions, conch proportions and expansion rates (growth rates) obtained from ammonoid conch cross sections.
Figure 4 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 4. Suture lines of cymaclymeniid ammonoids from the Anti-Atlas of Morocco. (A) Procymaclymenia ebbighauseni n. sp., paratype MB.C.22620.1 (Ebbighausen and Korn 2009 Coll.) from Madène el Mrakib; at 19.5 mm dm, 8.8 mm wh, × 5.0. (B) Cymaclymenia subvexa n. sp., paratype MB.C.22636.1 (Korn 1998 Coll.) from Madène el Mrakib; at 30.5 mm dm, 13.8 mm wh, × 3.75. (C) Cymaclymenia formosa n. sp., paratype MB.C.22669.4 (Wendt Coll.) from Hamar Laghdad; at 40.5 mm dm, 19.8 mm wh, × 2.5. (D) Cymaclymenia lambidia n. sp., paratype MB.C.22677 (Wendt Coll.) from Aguelmous; at 39.3 mm dm, 18.4 mm wh, × 2.5. (E) Postclymenia calceola n. sp., holotype MB.C.22662.1 (Ebbighausen 2005 Coll.) from Lalla Mimouna; at 53.5 mm dm, 23.4 mm wh, × 2.0.
Figure 27. Postclymenia calceola n in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 27. Postclymenia calceola n. sp. from Lalla Mimouna (Anti-Atlas of Morocco); all × 1.0. (A) Paratype MB.C.22662.2 (Ebbighausen 2005 Coll.). (B) Holotype MB.C.22662.1 (Ebbighausen 2005 Coll.). (C) Paratype MB.C.22662.3 (Ebbighausen 2005 Coll.). (D) Paratype MB.C.22663.1 (Korn 2005 Coll.). (E) Paratype MB.C.22663.2 (Korn 2005 Coll.).
Figure 19 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 19. Cross sections (A–D; all × 1.5) and ontogenetic trajectories (E–H) of Cymaclymenia costellata (Münster, 1832) from the Rhenish Mountains of Germany. (A) Specimen MB.C.22693 (Korn 1975 Coll.) from Reigern. (B) Specimen MB.C.22694 (Korn 1974 Coll.) from Reigern. (C) Specimen MB.C.22695.2 (Korn 1977 Coll.) from Oberrödinghausen. (D) Specimen MB.C.22695.3 (Korn 1977 Coll.) from Oberrödinghausen. (E) Conch width index (ww / dm). (F) Umbilical width index (ww / wh). (G) Whorl width index (uw / dm). (H) Whorl expansion rate (WER).
Figure 18 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 18. Cymaclymenia costellata (Münster, 1832) from the Rhenish Mountains (Germany); all × 1.0. (A) Specimen MB.C.22692 (Korn 1974 Coll.) from Reigern. (B) Specimen MB.C.4179 (Denckmann 1900 Coll.) from Wettmarsen. (C) Specimen MB.C.22695.1 (Korn 1977 Coll.) from Oberrödinghausen. (D) Specimen MB.C.22700 (Schindewolf 1931 Coll.) from Hauern near Braunau. (E) Specimen MB.C.22697 (Korn 1987 Coll.) from Effenberg. (F) Specimen MB.C.4185 (Lotz and Denckmann 1900 Coll.) from Langenholthausen. (G) Specimen MB.C.22701 (Denckmann 1895 Coll.) from Hauern. (H) Specimen MB.C.4202.2 (purchased 1903) from Hauern. (I) Specimen MB.C.4202.1 (purchased 1903) from Hauern.
Figure 15. Cymaclymenia formosa n in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 15. Cymaclymenia formosa n. sp. from the Anti-Atlas of Morocco; all × 1.0. (A) Holotype MB.C.22609.1 (Korn 1995 Coll.) from Erfoud. (B) Paratype MB.C.22669.1 (Wendt Coll.) from Hamar Laghdad. (C) Paratype MB.C.22669.2 (Wendt Coll.) from Hamar Laghdad. (D) Paratype MB.C.22669.3 (Wendt Coll.) from Hamar Laghdad. (E) Paratype MB.C.22649.1 (Korn 2009 Coll.) from Lambidia (Aguelmous). (F) Paratype MB.C.22649.2 (Korn 2009 Coll.) from Lambidia (Aguelmous). (G) Paratype MB.C.22669.4 (Wendt Coll.) from Hamar Laghdad.
Figure 1 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 1. Modes of allometry expressed in ammonoid conchs, exemplified in the conch width index (CWI) of modelled and real ammonoids (Korn, 2012). (A) Isometry (stable allometry coefficient α = 1). (B) Monophasic linear allometry (stable α; α <1). (C) Monophasic nonlinear allometry (decreasing α). (D) Biphasic linear allometry (succession of two different allometry coefficients α). (E) Triphasic linear allometry (succession of three different allometry coefficients α). (F) Triphasic non-linear allometry in the Early Carboniferous example Cravenoceras leion Bisat, 1930 (ontogenetically variable allometry coefficient α).
Figure 11. Procymaclymenia ebbighauseni n in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 11. Procymaclymenia ebbighauseni n. sp. from the Anti-Atlas of Morocco; all × 1.0. (A) Paratype MB.C.22619.1 (Ebbighausen and Korn 2009 Coll.) from Madène el Mrakib. (B) MB.C.22621.1 (Ebbighausen and Korn 2009 Coll.) from Madène el Mrakib. (C) Paratype MB.C.22665.1 (Korn 1995 Coll.) from El Atrous. (D) Paratype MB.C.22665.2 (Korn 1995 Coll.) from El Atrous. (E) Paratype MB.C.22620.2 (Ebbighausen and Korn 2009 Coll.) from Madène el Mrakib. (F) Paratype MB.C.22620.1 (Ebbighausen and Korn 2009 Coll.) from Madène el Mrakib. (G) Paratype MB.C.22622.1 (Ebbighausen and Korn 2009 Coll.) from Madène el Mrakib.
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